Mid-Century 0.85 CTW Transitional Cut Diamond Platinum Vintage Engagement Ring black opal Surrounded by a round brilliant

Surrounded by a round brilliant cut diamond halo weighing in total approximately 0

Cluster style ring centers an oval jelly opal cabochon measuring approximately 8

Measures: 7/16 x 7/16 inch

and stamped 18k / Ring 9 / Top measures 9

Mid-Century 0.85 CTW Transitional Cut Diamond Platinum Vintage Engagement Ring black opal Surrounded by a round brilliantCentering an transitional cut diamond weighing 0. 71 carats total H color with VS2 clarity Set with tri split prongs in a square form basket with pierced fishtail motif profile Flanked by cathedral shoulders set with baguette and single cut diamonds Weighing approximately 0. 14 carat total eye clean and bright Stamped for platinum Circa: 1950s Ring size: 8 1 2 and sizable Measures north to south 5. 5 mm and sits 5. 0 mm high Total weight: 3. 2 grams