Georges Thibault French Art Deco, Dress-Set with Diamonds, Pearls & Nacre Circa 1925. French, Art Deco, Nacre, Pearls & Diamonds 18k gold dress-set, by Georges Thibault, with curved circular Nacre and micro pearls in the center, surrounded by rose-cut diamonds, in platinum, millegrain edged. The pair of collar studs are marked HR, patent Bte SGDG. Each piece is marked with French eagle marks for 18ct gold and maker's marks. Very good conditions. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.