René BOIVIN Wedding band 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, set with eight diamonds. Unsigned Circa 1990 TDD: 52, Gross weight: 11.21 g Certificate of authenticity from 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