A Rare Almost 3 Carat Russian Demantoid and Diamond Ring made between 1908 and 1917 The silver topped 14K gold ring features a very large vivid grass green 2.84 ct Russian demantoid (8.55 x 5.45 mm) prong-set in gold within a hexagonal frame embellished with old cut diamonds (approximately 1.20 ct total weight). Marked with 56 zolotnik gold standard
Art Nouveau Diamond, Opal, Gold and Enamel Ring. 18 karat gold and enamel ring with opal and diamonds by Eugene Feuillatre. The ring has a center black opal, surrounded by 8 rose-cut diamonds and 4 enamel wings. The closed gallery is decorated with a gold/enamel scrollwork design.