Silver and topaz bangle, by Suzanne Belperron, commissioned by Elsa Schiaparelli. Sotheby's archives

Pearl, sapphire and diamond earrings, by Nikos Koulis will go on charity auction at Winter Ball in Ritz Carlton hotel in Moscow. @nikoskoulisjewels @winter-ball_official

Purplish pink sapphire and diamond ring, by Forms Jewellery

Art Deco coral and diamond cloak clasp convertible to clips, by Cartier, London, circa 1925.
@cartier