Opal Pendant with Chain, Boulder Opal, Circa 1940s

A spectacular and utterly unique 14K yellow gold ring from the Retro era (circa 1940s) featuring six cabochons of natural fire opals from Mexico. These gorgeous and highly-prized gems measure from 9.2mm x 6.7mm to 8.8mm x 6mm. They display orange, orange-yellow sand orange-pink coloring. The dazzling gems weigh approximately 5.5 carats. The face of the ring measures 30mm x 28mm, so it's an impressive and bold ring. The interior is marked for 14K gold but there is no maker's mark. Yet the production quality is extraordinary. The gold metalwork is expertly executed and very whimsical and creative. This bold, flashy, and fun ring is a size 7 and you're jeweler could resize it for you. This ring ships with a certificate from Stone Group Labs stating that these are precious fire opals...

A shimmering, ethereal natural Australian precious opal is prong-set within twin rings of 14K yellow gold and topped with a brilliant little diamond in this midcentury pendant. Creat...

Black opals from the Lightning Ridge mines in Australia are the rarest and most valuable opals on earth. And Lightning Ridge black opals that display a vivid red flash are the most valuable opals of all. This pendant is a perfect example of why these rare, precious opals are so coveted. With a superb cut and gleaming high polish, this solid (not a double or a triplet) Australian black opal from the Lightning Ridge mines has an organic, loosely triangular form and weighs approximately 2.42 carats. The gem flashes brilliant, vivid red, yellow, turquoise, purple and cobalt blue. The natural beauty of the stone has been maximized to its most magnificent potential by a skilled lapidary artist. Set within a custom 18k yellow gold frame -that exposes the rear of the opal, so that you can see with your own eyes that this is a solid black opal- and featuring a bail set with a .03ct VS brilliant round diamond. A 20" .4mm solid 18K Italian gold chain...

This one-of-a-kind pendant features a complete raw sapphire crystal that measures 37.37mm x 14.1mm wide x 11.68mm and weighs approximately 110 carats. One end has been dome polished ...

A superb display of color. This fantastic fine opal from Australia weighs an impressive 15.42 carats and has amazing play-of-color as bright flashes of greens, blues, oranges, yellow...

This stunning pendant features a majestic black opal set in a freeform diamond-shaped bezel, elegantly framed by intricate gold swirls. The combination of marquise and round diamonds...

♥ The face of the design measures 18.4mm in width (East West direction), 28.7mm in length (North South direction), and sits 8.2mm tall ♥ Material: 18k yellow gold; weighs 10.38g ♥ ...

Silver necklace with natural Boulder Koroit Opal (18K gold plated) gemstone origin - Australia gem size is 18 x 23 mm stone weight - 13 ct pendant length - 32 mm pendant weight - 4.8...