Crafted in solid Platinum, the center is adorned by a GIA certified Black Opal, natural and untreated, double cabochon oval cut, prong set, weight approximately 2.79 carats. Complimenting the sides of the ballerina style, there are (64) baguette cut & (6) round cut, prong set, genuine diamonds weighing in total 0.86 carats, ( G-H color and VS Clarity), The top of this piece measures 20 mm x 10 mm height, and it is currently size 6.75 in USA ring size, sizable. Accompanied by a GIA Report N#6214597340 & an official appraisal document.