BLACK OPAL AND DIAMOND RING, 14k yellow gold with two rows of round-cut diamonds set around an oval black opal cabochon weighing approximately 4.56 cts. Estimated weight for all diamonds: 1.15 cttw

Black Diamond Ring Diamond Bracelet Black body Opalescent Opalescent glass Opaline Black Americana Hopalong Cassidy Black metallic glazes Blue opaline Blue opaline glass