René BOIVIN Ring In rock crystal and 18k yellow gold, set with a cabochon sapphire cut into a sugar loaf shape, flanked by two pear-shaped cabochon rubies, underlined by eight diamonds. Unsigned Circa 1990 TDD : 52, Gross weight : 11.21 g Certificate of authenticity from Maison René Boivin (2024), attesting that this ring is an original creation based on a design by Marie-Caroline de Brosses. A sapphire, ruby, diamond, rock crystal and 18k yellow gold ring, by René Boivin, circa 1990 Certificate of authenticity from René Boivin, indicating that this ring is an original creation based on a design by Marie-Caroline de Brosses CONDITION REPORT : Good condition Minor rock crystal chips CONDITION REPORT : Good condition Tiny scratches on the rock crystal Unsigned

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.