Victoire de Castellane for Dior / Ring from "Le Bal des Roses" collection Dior Fine Jewellery, "Bal d’Eté" ring; yellow and white gold, diamonds, fancy yellow diamonds, fancy orange diamonds and golden opal.
An American Art Nouveau 18 karat gold ring with amethyst and diamonds by Marcus & Co.. The ring has a pear shape amethyst with an approximate total weight of 5,20 carats, and 23 Old European-Cut diamonds with an approximate total weight of .70 carats. The Art Nouveau ring is further enhanced with green enamel. c 1900