Bague saphir Ring in platinum (950 thousandths) set with an oval sapphire from Thailand, approx. 6.20 carats, surrounded by old-cut diamonds. French work circa 1910. Bellerophon GemLab analysis report, May 2024, indicating the absence of thermal alterations and its origin in Thailand. Gem Paris analysis report indicating the presence of thermal modifications and its origin from Thailand. Marked scratches on the sapphire. Stone size: 13.09 x 11.3 x 5.30 mm Gross weight: 5.9 g. Finger 54 Ring adorned with an oval sapphire from Thailand of 6.20 carats approximately, in a setting of old-cut diamonds, platinum. French work circa 1910. Bellerophon GemLab May 2024: Thailand and no heating. Gem Paris: Thailand, heated. Marked scratches on the sapphire. Gross weight : 5.9 g Ring size : 54

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.