This is a fascinating ring!

Obviously a designer piece, the show-stopping focal point of this ring is the oval cut, natural black opal, which primarily flashes green and blue. The center stone is bezel set in 18K yellow gold overlaid silver, which showcases its fire and color. A deep blue sapphire is bezel set on either side of the opal, and the mounting is primarily made of sterling silver with wisps of yellow gold.

DETAILS
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METALS: Sterling Silver, 18K Yellow Gold Overlay
OPAL: Black Opal (natural) - 10.8mm x 7mm Oval Cut
SAPPHIRES: 2x - 0.04ctw (natural, heat treated)
TOP MEASUREMENTS: 13mm x 20mm
WEIGHT: 5.2g
SIZE: 6.5 (can be sized)