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Extremely Rare - Natural Cobalt - Vivid Blue Spinel with GRS Certificate
加拿大 北京时间
2022年06月26日 开拍
拍品描述
天然钴尖晶石(带GRS证书)This ia an extremely rare collector's gem as it is a Flawless Cobalt - Vivid Blue Spinel with 5.30 Carat and dimensions 10.71 x 8.72 x 5.94 (mm) as Certified by GRS. Blue spinel is also known as cobalt spinel, gahnospinel or sapphire spinel. The prized colour is a combination of well-balanced trace element in the gems crystal structure, typically cobalt and iron. This rare and exceptional vivid blue spinel, without steely grey overtones are the most sought after and examples over 5 carats are even considered extremely rare. Note: Most reputable auction house that auctioned out such gems are mostly Cobalt Blue Spinel and not Vivid Blue Spinel.

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拍品估价:228,000 - 278,000 加元 起拍价格:100 加元  买家佣金: 25.00% 服务费:本专场服务费按成交价(含佣金)的1.5%收取,最低200元

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