This gorgeous ring features a bezel set cabochon black opal center stone and diamond surround in oxidized silver. This ring style is a classic 1950s/60s east west shape that has been transformed into a fresh and modern design with our crownwork®. MATERIAL: 18k yellow gold, oxidized silver STONE TYPE/CARAT WEIGHT: Black Opal 6.50 cts., Diamond 0.31 cts. DIMENSIONS: 0.6875" x 0.875''