戒指。18 k 白金镶嵌 AAA 级 "鲜艳蓝 "天然蓝宝石（斯里兰卡锡兰），椭圆形切割，约 4.70 克拉，镶嵌明亮式切割钻石，共约 1.40 克拉，附有瓦伦扎 P.Orsini 博士的 ACG 宝石鉴定证书。 重 7.50 克；尺寸 14。 高潜力的结晶宝石、吸收光谱、透明度、无分带、比例、低百分比的内含物使这块标本成为罕见之美的典范。

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.