Featured in this lot is this Art Nouveau, Ethiopian opal and diamond, 14k yellow gold ring. The ring shows a 14k yellow gold Art Nouveau presentation with a gold weight of 5.17GM. The center stone is a large oval cut Ethiopian opal cabochon with a weight of 2.93 carats with a halo ring of 36 round brilliant cut diamonds that weigh 0.13 carats. The ring shows the Color Jewel Inc. hallmark and a 14k gold stamp on the inside band of the ring. The ring size is US 7.