Bidspirit auction | Platinum 2.14ct Boulder Opal and

Platinum 2.14ct Boulder Opal and 0.23ctw Natural Diamond Cocktail Ring - This platinum cocktail ring is centered on a 2.14ct oval cabochon boulder opal. The opal displays an intense play-of-color with vibrant electric green and deep blue flashes against a dark ground, with a solid brown ironstone matrix visible on the underside. The stone is held in a four double-prong setting, flanked by tiered shoulders each set with five round brilliant-cut natural diamonds, totaling 0.23ctw. The platinum mounting features a decorative openwork gallery with scroll and heart-shaped filigree motifs. The interior of the shank bears impressed marks reading 2.14Pt900 and D023, along with a partially illegible incised mark on the interior under-gallery. Ring Size: US 7 6.8 grams