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JAR Joel Rosenthal

【Geneva, Swit】The Nearly 10-Carat Diamond That Sold for a Fortune at an Exclusive Auction

November 18, 2025 by JemInfo_JewelryGem

Editor’s NoteThis article describes the record-breaking auction of the “Mellon Blue” diamond, a rare gem distinguished by its intense color and…

Categories Colored Gemstones, Diamond Jewelry, Jewelry News, Necklaces & Pendants Tags Auction Results, Blue Diamond, Christie's Auction, Fancy Colored Diamonds, Geneva Auction, High Jewelry, JAR Joel Rosenthal, Jewelry Auction, Luxury Collectibles, Mellon Blue Diamond, Rare Gems, Record Sale

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