Bidspirit auction | Platinum 1.73 Black Opal and

Platinum 1.73 Black Opal and 0.31ctw Diamond Cocktail Ring - This platinum cocktail ring centers on an oval-cut black opal weighing approximately 1.73 carats. The stone displays vibrant play-of-color with electric green and deep blue flashes in a broad-fire pattern. The opal is secured in a four-prong setting. The shoulders are adorned with clusters of prong-set marquise and round brilliant-cut diamonds totaling approximately 0.31 carats. The ring features a split-shoulder shank transitioning into a solid band. The interior of the band is incised with the markings Pt900, 1.73, and D0.31. Weight: 5.6g.