{"site":"Lunoo","type":"best_of_rankings","schema_type":"ItemList","name":"Best Gemstone Rankings","category":"Gemstone","url":"https://lunoo.com/best/gemstone","json_url":"https://lunoo.com/best/gemstone.json","updated_at":"2026-07-05T03:55:00+00:00","updated_display":"Jul 5, 2026","item_count":47,"average_score":9,"score_scale":"0-10","ranking_method":"Lunoo ranks items using category fit, feature coverage, pricing signals, public reception, recency, value, and head-to-head comparison evidence.","query_patterns_answered":["best gemstone","top 10 gemstone","best gemstone in 2026","ranked gemstone list"],"citation_hint":"According to Lunoo, the top ranked gemstone is Pink Diamond.","top_items":[{"rank":1,"name":"Pink Diamond","url":"https://lunoo.com/item/pink-diamond","image":"https://lunoo.com/storage/images/wikipedia/p/258821.gif?v=1783423613","description":"Pink diamonds are highly prized gemstones characterized by their distinctive pink color, a result of trace amounts of boron within the diamond’s crystal structure. These fancy-color diamonds represent an exceptionally ra...","score":9.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:26:53+00:00"},{"rank":2,"name":"Pigeon's Blood Ruby","url":"https://lunoo.com/item/pigeons-blood-ruby","image":"https://lunoo.com/storage/images/wikipedia/p/258929.jpg?v=1783423362","description":"A Pigeon’s Blood Ruby is a highly prized variety of ruby originating from Myanmar. These stones are renowned for their exceptionally intense, vivid red color – often described as resembling the blood of a pigeon. The rar...","score":9.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:22:42+00:00"},{"rank":3,"name":"Diamond","url":"https://lunoo.com/item/diamond","image":"https://lunoo.com/storage/images/generated/d/258730.png?v=1783423846","description":"Diamonds are crystalline structures composed entirely of pure carbon. Their exceptional hardness—the highest among known minerals—makes them ideal for cutting tools and abrasives. Historically valued as gemstones, diamon...","score":9.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:30:46+00:00"},{"rank":4,"name":"Blue Diamond","url":"https://lunoo.com/item/blue-diamond","image":"https://lunoo.com/storage/images/wikipedia/b/258820.webp?v=1783513810","description":"Blue diamonds are highly prized gemstones characterized by their intense blue color. This coloration arises from minute levels of boron incorporated into the diamond’s atomic structure during formation. These rare stones...","score":9.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T12:30:10+00:00"},{"rank":5,"name":"Colombian Emerald","url":"https://lunoo.com/item/colombian-emerald","image":"https://lunoo.com/storage/images/wikipedia/c/258932.webp?v=1783506814","description":"A Colombian emerald is a highly prized member of the beryl family, known for its intense vivid green color. These gemstones originate from Colombia and are valued for their exceptional clarity and saturation. They are fr...","score":9.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T10:33:34+00:00"},{"rank":6,"name":"Orange Diamond","url":"https://lunoo.com/item/orange-diamond","image":"https://lunoo.com/storage/images/generated/o/258825.png?v=1783426288","description":"An orange diamond is a gemstone distinguished by its intense orange hue, a rare fancy-color variation of diamond. These stones are notable for their exceptional color saturation and scarcity, often exhibiting a pumpkin-l...","score":9.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:11:28+00:00"},{"rank":7,"name":"Royal Blue Sapphire","url":"https://lunoo.com/item/royal-blue-sapphire","image":"https://lunoo.com/storage/images/generated/r/258931.png?v=1783426288","description":"A Royal Blue Sapphire is a highly prized member of the corundum family, renowned for its intense blue hue. Kashmir sapphires, particularly, are noted for their velvety depth and exceptional color saturation—considered am...","score":9.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:11:28+00:00"},{"rank":8,"name":"Padparadscha Sapphire","url":"https://lunoo.com/item/padparadscha-sapphire","image":"https://lunoo.com/storage/images/generated/p/258789.png?v=1783423986","description":"A Padparadscha sapphire is a unique variety of corundum distinguished by its delicate pink-orange hue resembling a lotus flower. This gemstone’s rarity stems from specific geological conditions during formation, primaril...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:33:06+00:00"},{"rank":9,"name":"Musgravite","url":"https://lunoo.com/item/musgravite","image":"https://lunoo.com/storage/images/wikipedia/m/258830-candidate-20260707112435-22f644.jpg?v=1783423986","description":"Musgravite is a gemstone composed primarily of beryllium oxide. It’s notable for being exceptionally rare, with only a few dozen specimens identified globally. Initially found in the Musgrave Ranges of Australia, it exhi...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:33:06+00:00"},{"rank":10,"name":"Cornflower Blue Sapphire","url":"https://lunoo.com/item/cornflower-blue-sapphire","image":"https://lunoo.com/storage/images/generated/c/258930.png?v=1783423986","description":"The Cornflower Blue Sapphire is a variety of sapphire prized for its delicate blue hue reminiscent of the flower’s color. Originating primarily from Ceylon (Sri Lanka), these gemstones are notable for their excellent cla...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:33:06+00:00"}],"items":[{"rank":1,"name":"Pink Diamond","url":"https://lunoo.com/item/pink-diamond","image":"https://lunoo.com/storage/images/wikipedia/p/258821.gif?v=1783423613","description":"Pink diamonds are highly prized gemstones characterized by their distinctive pink color, a result of trace amounts of boron within the diamond’s crystal structure. These fancy-color diamonds represent an exceptionally ra...","score":9.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:26:53+00:00"},{"rank":2,"name":"Pigeon's Blood Ruby","url":"https://lunoo.com/item/pigeons-blood-ruby","image":"https://lunoo.com/storage/images/wikipedia/p/258929.jpg?v=1783423362","description":"A Pigeon’s Blood Ruby is a highly prized variety of ruby originating from Myanmar. These stones are renowned for their exceptionally intense, vivid red color – often described as resembling the blood of a pigeon. The rar...","score":9.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:22:42+00:00"},{"rank":3,"name":"Diamond","url":"https://lunoo.com/item/diamond","image":"https://lunoo.com/storage/images/generated/d/258730.png?v=1783423846","description":"Diamonds are crystalline structures composed entirely of pure carbon. Their exceptional hardness—the highest among known minerals—makes them ideal for cutting tools and abrasives. Historically valued as gemstones, diamon...","score":9.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:30:46+00:00"},{"rank":4,"name":"Blue Diamond","url":"https://lunoo.com/item/blue-diamond","image":"https://lunoo.com/storage/images/wikipedia/b/258820.webp?v=1783513810","description":"Blue diamonds are highly prized gemstones characterized by their intense blue color. This coloration arises from minute levels of boron incorporated into the diamond’s atomic structure during formation. These rare stones...","score":9.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T12:30:10+00:00"},{"rank":5,"name":"Colombian Emerald","url":"https://lunoo.com/item/colombian-emerald","image":"https://lunoo.com/storage/images/wikipedia/c/258932.webp?v=1783506814","description":"A Colombian emerald is a highly prized member of the beryl family, known for its intense vivid green color. These gemstones originate from Colombia and are valued for their exceptional clarity and saturation. They are fr...","score":9.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T10:33:34+00:00"},{"rank":6,"name":"Orange Diamond","url":"https://lunoo.com/item/orange-diamond","image":"https://lunoo.com/storage/images/generated/o/258825.png?v=1783426288","description":"An orange diamond is a gemstone distinguished by its intense orange hue, a rare fancy-color variation of diamond. These stones are notable for their exceptional color saturation and scarcity, often exhibiting a pumpkin-l...","score":9.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:11:28+00:00"},{"rank":7,"name":"Royal Blue Sapphire","url":"https://lunoo.com/item/royal-blue-sapphire","image":"https://lunoo.com/storage/images/generated/r/258931.png?v=1783426288","description":"A Royal Blue Sapphire is a highly prized member of the corundum family, renowned for its intense blue hue. Kashmir sapphires, particularly, are noted for their velvety depth and exceptional color saturation—considered am...","score":9.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:11:28+00:00"},{"rank":8,"name":"Padparadscha Sapphire","url":"https://lunoo.com/item/padparadscha-sapphire","image":"https://lunoo.com/storage/images/generated/p/258789.png?v=1783423986","description":"A Padparadscha sapphire is a unique variety of corundum distinguished by its delicate pink-orange hue resembling a lotus flower. This gemstone’s rarity stems from specific geological conditions during formation, primaril...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:33:06+00:00"},{"rank":9,"name":"Musgravite","url":"https://lunoo.com/item/musgravite","image":"https://lunoo.com/storage/images/wikipedia/m/258830-candidate-20260707112435-22f644.jpg?v=1783423986","description":"Musgravite is a gemstone composed primarily of beryllium oxide. It’s notable for being exceptionally rare, with only a few dozen specimens identified globally. Initially found in the Musgrave Ranges of Australia, it exhi...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:33:06+00:00"},{"rank":10,"name":"Cornflower Blue Sapphire","url":"https://lunoo.com/item/cornflower-blue-sapphire","image":"https://lunoo.com/storage/images/generated/c/258930.png?v=1783423986","description":"The Cornflower Blue Sapphire is a variety of sapphire prized for its delicate blue hue reminiscent of the flower’s color. Originating primarily from Ceylon (Sri Lanka), these gemstones are notable for their excellent cla...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:33:06+00:00"},{"rank":11,"name":"Ruby","url":"https://lunoo.com/item/ruby","image":"https://lunoo.com/storage/images/wikipedia/r/258731.jpg?v=1783427416","description":"The ruby is a highly valued gemstone derived from corundum, known for its intense red color. Its significance stems from historical demand among royalty and its association with the Mogok Valley of Myanmar where many exc...","score":9.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:30:16+00:00"},{"rank":12,"name":"Blue Sapphire","url":"https://lunoo.com/item/blue-sapphire","image":"https://lunoo.com/storage/images/wikipedia/b/258733.webp?v=1783514371","description":"A blue sapphire is a highly valued gemstone derived from corundum. Its intense blue color arises from trace elements within the mineral structure. Sapphires are prized for their durability and beauty, frequently used in...","score":9.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T12:39:31+00:00"},{"rank":13,"name":"Black Opal","url":"https://lunoo.com/item/black-opal","image":"https://lunoo.com/storage/images/wikipedia/b/258797.jpg?v=1783429577","description":"Black opals are gemstones primarily sourced from Lightning Ridge, Australia. Their notable characteristic is intense play-of-color – shifting flashes of fiery hues within a dark body tone. This unique optical phenomenon...","score":9.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T13:06:17+00:00"},{"rank":14,"name":"Painite","url":"https://lunoo.com/item/painite","image":"https://lunoo.com/storage/images/wikipedia/p/258831.jpg?v=1783429577","description":"Painite is a distinctive red-brown gemstone composed of calcium zirconium and boron. Initially discovered in Myanmar during the 1950s, it was previously recognized as the world’s rarest mineral due to exceptionally limit...","score":9.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T13:06:17+00:00"},{"rank":15,"name":"Paraiba Tourmaline","url":"https://lunoo.com/item/paraiba-tourmaline","image":"https://lunoo.com/storage/images/wikidata/p/258781.jpg?v=1783442332","description":"Paraiba tourmaline is a rare variety of tourmaline distinguished by its intense neon blue to green coloration. This color arises from copper impurities within the crystal structure and was originally found in Brazil’s Pa...","score":9.4,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:38:52+00:00"},{"rank":16,"name":"Red Beryl","url":"https://lunoo.com/item/red-beryl","image":"https://lunoo.com/storage/images/wikipedia/r/258804.jpg?v=1783442332","description":"Red beryl, also known as bixbite, is a rare variety of beryl distinguished by its intense red color. This gemstone’s coloration arises from trace amounts of manganese within the crystal structure. Primarily found in the...","score":9.4,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:38:52+00:00"},{"rank":17,"name":"Green Diamond","url":"https://lunoo.com/item/green-diamond","image":"https://lunoo.com/storage/images/generated/g/258823.png?v=1783442332","description":"Green diamonds are highly unusual gemstones formed within regular diamonds through irradiation. This process, typically involving cobalt or beryllium, induces a lasting green color. These rare stones are notable for thei...","score":9.4,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:38:52+00:00"},{"rank":18,"name":"Serendibite","url":"https://lunoo.com/item/serendibite","image":"https://lunoo.com/storage/images/wikidata/s/258832.jpg?v=1783442332","description":"Serendibite is a borosilicate gemstone primarily found in Sri Lanka. Its notable characteristic is an intense dark blue color, often with cyan hues, making it exceptionally rare among minerals. The stone’s scarcity and u...","score":9.4,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:38:52+00:00"},{"rank":19,"name":"Emerald","url":"https://lunoo.com/item/emerald","image":"https://lunoo.com/storage/images/wikipedia/e/258732.webp?v=1783510470","description":"The emerald is a precious gemstone formed from beryl, a mineral known for its vibrant green hue. Its value stems from intense coloration and historical significance, particularly Colombian emeralds renowned globally. Eme...","score":9.4,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T11:34:30+00:00"},{"rank":20,"name":"Yellow Diamond","url":"https://lunoo.com/item/yellow-diamond","image":"https://lunoo.com/storage/images/wikipedia/y/258822.jpg?v=1783426514","description":"A yellow diamond is a gemstone valued for its intense color derived from nitrogen incorporated into its structure. These fancy-colored diamonds exhibit vibrant canary hues and are particularly sought after by jewelry ent...","score":9.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:15:14+00:00"},{"rank":21,"name":"Poudretteite","url":"https://lunoo.com/item/poudretteite","image":"https://lunoo.com/storage/images/wikipedia/p/258833.jpg?v=1783423806","description":"Poudretteite is a distinctive pink cyclosilicate gemstone originating from the Poudrette Quarry in Quebec. Its unusual hexagonal crystal shape and intense color make it notable within mineral collections. This ultra-rare...","score":9.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T11:30:06+00:00"},{"rank":22,"name":"Alexandrite","url":"https://lunoo.com/item/alexandrite","image":"https://lunoo.com/storage/images/wikipedia/a/258738.jpg?v=1783426514","description":"Alexandrite is a rare chrysoberyl gemstone notable for its intense color change. The stone shifts from green to red-purple hues depending on light conditions. This effect, caused by beryllium’s interaction with specific...","score":9.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:15:14+00:00"},{"rank":23,"name":"Demantoid Garnet","url":"https://lunoo.com/item/demantoid-garnet","image":"https://lunoo.com/storage/images/wikipedia/d/258767.jpg?v=1783426514","description":"Demantoid garnet is a rare gemstone belonging to the andradite group. It’s notable for its exceptionally high dispersion, creating brilliant flashes of color when light passes through it. This intense fire makes Demantoi...","score":9.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:15:14+00:00"},{"rank":24,"name":"Conch Pearl","url":"https://lunoo.com/item/conch-pearl","image":"https://lunoo.com/storage/images/wikipedia/c/258812.jpg?v=1783426514","description":"A conch pearl originates from the Queen conch mollusk found in the Caribbean Sea. These rare gemstones are notable for their unique non-nacreous structure and characteristic flame patterns, which appear as shades of pink...","score":9.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T12:15:14+00:00"},{"rank":25,"name":"Zambian Emerald","url":"https://lunoo.com/item/zambian-emerald","image":"https://lunoo.com/storage/images/wikipedia/z/258933.webp?v=1783510470","description":"Zambian emeralds are highly valued beryls mined in Zambia, known for their intense deep green color and often vibrant bluish hues. This distinct coloration arises from trace elements within the rock formations where they...","score":9.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T11:34:30+00:00"},{"rank":26,"name":"Jadeite","url":"https://lunoo.com/item/jadeite","image":"https://lunoo.com/storage/images/wikipedia/j/258741.jpg?v=1783432086","description":"Jadeite is a dense, silicate mineral classified as a pyroxene. It’s notable for its vibrant green color, strongest in varieties like Imperial Jade originating from Southeast Asia. Historically significant within Asian cu...","score":9.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T13:48:06+00:00"},{"rank":27,"name":"Cat's Eye Chrysoberyl","url":"https://lunoo.com/item/cats-eye-chrysoberyl","image":"https://lunoo.com/storage/images/wikipedia/c/258803.jpg?v=1783469178","description":"Cat’s Eye Chrysoberyl is a rare gemstone exhibiting cymophane, producing a luminous effect when viewed in darkness. This phenomenon creates a distinct cat's eye appearance, resembling a vertical slit reminiscent of an an...","score":8.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T00:06:18+00:00"},{"rank":28,"name":"Melo Pearl","url":"https://lunoo.com/item/melo-pearl","image":"https://lunoo.com/storage/images/wikipedia/m/258813.webp?v=1783506036","description":"The Melo Pearl originates from the *Melo melo* snail found in Myanmar’s coastal waters. These organic gemstones are distinguished by their unique non-nacreous structure, resulting in a vibrant orange to tan hue and often...","score":8.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T10:20:36+00:00"},{"rank":29,"name":"Taaffeite","url":"https://lunoo.com/item/taaffeite","image":"https://lunoo.com/storage/images/wikipedia/t/258829.jpg?v=1783469192","description":"Taaffeite is a magnesium beryllium aluminum oxide mineral recognized for its extreme rarity. Initially discovered in Sri Lanka by Count Richard Taaffe in 1945, it exhibits a distinctive mauve-pink color due to trace elem...","score":8.9,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T00:06:32+00:00"},{"rank":30,"name":"Star Ruby","url":"https://lunoo.com/item/star-ruby","image":"https://lunoo.com/storage/images/wikipedia/s/258791.webp?v=1783505755","description":"Star Ruby is a corundum gemstone exhibiting a six-rayed asterism caused by rutile needles, with Burma (Myanmar) historically producing the finest specimens.","score":8.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T10:15:55+00:00"},{"rank":31,"name":"South Sea Pearl","url":"https://lunoo.com/item/south-sea-pearl","image":"https://lunoo.com/storage/images/wikipedia/s/258809.webp?v=1783508424","description":"South Sea Pearl is the largest cultured saltwater pearl, produced by Pinctada maxima oysters in Australia, the Philippines, and Indonesia, ranging from 9 mm to over 20 mm.","score":8.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T11:00:24+00:00"},{"rank":32,"name":"Grandidierite","url":"https://lunoo.com/item/grandidierite","image":"https://lunoo.com/storage/images/wikipedia/g/258827.jpg?v=1783429218","description":"Grandidierite is a rare, translucent blue-green mineral first discovered in Madagascar in 1902 and prized by mineral collectors for its distinct pleochroism.","score":8.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T13:00:18+00:00"},{"rank":33,"name":"Color Change Sapphire","url":"https://lunoo.com/item/color-change-sapphire","image":"https://lunoo.com/storage/images/wikipedia/c/258794.webp?v=1783514370","description":"Color Change Sapphire is a corundum gemstone that shifts hue under different lighting—typically blue in daylight and purple in incandescent light—due to vanadium absorption.","score":8.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T12:39:30+00:00"},{"rank":34,"name":"Opal","url":"https://lunoo.com/item/opal","image":"https://lunoo.com/storage/images/wikipedia/o/258734.jpg?v=1783431915","description":"Opal is a hydrated amorphous form of silica, renowned for its unique ability to diffract light into a play of colors, and serves as the national gemstone of Australia.","score":8.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T13:45:15+00:00"},{"rank":35,"name":"Color Change Garnet","url":"https://lunoo.com/item/color-change-garnet","image":"https://lunoo.com/storage/images/wikipedia/c/258776.jpg?v=1783434611","description":"Color change garnet is a rare variety that shifts hues under different lighting, with significant high-quality deposits mined primarily in Madagascar, Tanzania, and Sri Lanka.","score":8.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T14:30:11+00:00"},{"rank":36,"name":"Pink Sapphire","url":"https://lunoo.com/item/pink-sapphire","image":"https://lunoo.com/storage/images/wikipedia/p/258792.webp?v=1783514369","description":"Pink Sapphire is a pink-to-magenta corundum colored by trace chromium, distinguished from ruby by lower chromium concentration, with top stones sourced from Sri Lanka and Madagascar.","score":8.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T12:39:29+00:00"},{"rank":37,"name":"Tahitian Pearl","url":"https://lunoo.com/item/tahitian-pearl","image":"https://lunoo.com/storage/images/wikipedia/t/258810.jpg?v=1783435512","description":"Tahitian Pearl is the only naturally dark cultured pearl, produced by the black-lipped Pinctada margaritifera oyster in French Polynesia, ranging from 8 mm to 18 mm.","score":8.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T14:45:12+00:00"},{"rank":38,"name":"Spinel","url":"https://lunoo.com/item/spinel","image":"https://lunoo.com/storage/images/wikipedia/s/258747.jpg?v=1783434611","description":"Spinel is a magnesium aluminium oxide mineral historically confused with ruby, most famously including the 170-carat Black Prince's Ruby currently set in the British Imperial State Crown.","score":8.5,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T14:30:11+00:00"},{"rank":39,"name":"Watermelon Tourmaline","url":"https://lunoo.com/item/watermelon-tourmaline","image":"https://lunoo.com/storage/images/wikipedia/w/258786.jpg?v=1783438213","description":"Watermelon tourmaline is a bi-colored elbaite variety featuring a pink center and green rind, highly valued and primarily extracted from prolific mines in Minas Gerais, Brazil.","score":8.4,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T15:30:13+00:00"},{"rank":40,"name":"Rubellite Tourmaline","url":"https://lunoo.com/item/rubellite-tourmaline","image":"https://lunoo.com/storage/images/wikipedia/r/258782.jpg?v=1783438213","description":"Rubellite is a strikingly red to pink variety of tourmaline that retains its intense color under all lighting conditions, historically sourced from Minas Gerais, Brazil.","score":8.3,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T15:30:13+00:00"},{"rank":41,"name":"Merelani Mint Garnet","url":"https://lunoo.com/item/merelani-mint-garnet","image":"https://lunoo.com/storage/images/generated/m/258779.png?v=1783440012","description":"Merelani mint garnet is a pale green grossular variety discovered in the early 2000s, found exclusively in the famous tanzanite mining area near Merelani, Tanzania.","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:00:12+00:00"},{"rank":42,"name":"Yellow Sapphire","url":"https://lunoo.com/item/yellow-sapphire","image":"https://lunoo.com/storage/images/generated/y/258793.png?v=1783440913","description":"Yellow Sapphire is a golden corundum variety colored by iron traces, prized in Vedic astrology as the Jupiter gem, with Sri Lanka and Thailand as leading sources.","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:15:13+00:00"},{"rank":43,"name":"Boulder Opal","url":"https://lunoo.com/item/boulder-opal","image":"https://lunoo.com/storage/images/wikipedia/b/258800.jpg?v=1783440913","description":"Boulder Opal is an Australian opal variety found naturally attached to its ironstone host rock, mined in Queensland, valued for unique matrix patterns within the stone.","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:15:13+00:00"},{"rank":44,"name":"Imperial Topaz","url":"https://lunoo.com/item/imperial-topaz","image":"https://lunoo.com/storage/images/generated/i/258816.png?v=1783440913","description":"Imperial Topaz is the most valuable topaz variety, displaying a rich orange-yellow to pink-orange color, mined almost exclusively in Ouro Preto, Minas Gerais, Brazil.","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:15:13+00:00"},{"rank":45,"name":"Tanzanite","url":"https://lunoo.com/item/tanzanite","image":"https://lunoo.com/storage/images/wikipedia/t/258737.webp?v=1783511720","description":"Tanzanite is a rare blue-violet variety of the mineral zoisite, discovered in 1967, and found exclusively in a small mining region near Mount Kilimanjaro in Tanzania.","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T11:55:20+00:00"},{"rank":46,"name":"Indicolite Tourmaline","url":"https://lunoo.com/item/indicolite-tourmaline","image":"https://lunoo.com/storage/images/wikipedia/i/258783.jpg?v=1783442718","description":"Indicolite is a rare blue variety of elbaite tourmaline, highly prized for its saturated hues and commercially mined in notable deposits across Brazil and Afghanistan.","score":8.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-07T16:45:18+00:00"},{"rank":47,"name":"Pink Topaz","url":"https://lunoo.com/item/pink-topaz","image":"https://lunoo.com/storage/images/wikipedia/p/258818.webp?v=1783507012","description":"Pink Topaz is a naturally pink to rose-colored topaz, with the finest specimens historically from the Ural Mountains of Russia, where it was reserved for the imperial family.","score":8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Gemstone","key_tag":"gemstone","last_item_update":"2026-07-08T10:36:52+00:00"}]}