A BLACK OPAL AND DIAMOND PENDANT NECKLACE/BROOCH Suspending a pendant/brooch, set with a shield-shaped black opal, within a marquise and brilliant-cut diamond surround, to the length adjustable fine neckchain, mounted in platinum, pendant/brooch 3.4 cm long, neckchain 51.5 cm long BestOpalRings.com
Opal, Diamond, White Gold Pendant The pendant features a pear-shaped cabochon black opal measuring 39.00 x 24.00 mm and weighing approximately 27.00 carats, framed by full-cut diamonds weighing a total of approximately 0.40 carat, set in 14k white gold.
Ethiopian Opal and Diamond Rondell Necklace. Twenty-nine rare and large opal beads totaling an extraordinary 554 carats comprise this mesmerizing necklace. The graduated gems are an impressive size, measuring from 13mm to 23.8mm, with each exhibiting a high level of translucence and a rainbow of colors. USD$228,500.