Bidspirit auction | Estate Platinum Opal and Diamond

Estate Platinum Opal and Diamond Cocktail Ring - A platinum cocktail ring featuring a four-prong set oval cabochon natural opal weighing 2.79 carats, displaying green, orange, and blue play-of-color. The shoulders are accented with six round brilliant cut diamonds totaling 0.16 carats set in triangular clusters, flanked by fluted ribbed detailing leading to a smooth band. The interior of the shank is stamped Pt900 alongside gemstone weight stamps reading 279 and D 0.16. Ring size: 6.5 (US) 7.3 grams