ONYX DIAMOND RING SETTING ROUND VINTAGE STYLE ENGAGEMENT ART DECO SEMI MOUNTThis gorgeous semi mount ring captures the iconically stylish aesthetic of the Art Deco era in a chic, geometric design! The beautifully crafted octagonal design is set with brilliantly white and vibrant natural diamonds as well as custom cut black onyx. Striking with rich contrast, this setting provides the perfect backdrop for a diamond or gemstone of your choice. Eye catching and classically fashionable, it beautifully evokes the class and glamour