CUSTOM-MADE WHITE GOLD, DIAMOND AND FINE BLACK OPAL OVAL PENDANT ON CHAIN. Oval black opal cabochon of even, intense, overall red, green and blue flash, measuring 32 mm x 17.50 mm, surrounded by 14 pear shape and 14 rectangular baguette diamonds together with approximately 3.00 ct. L: 1 7/16". 14k white gold chain, L: 16" Estimate $2,000-3,000