Beautiful classic cocktail ring, carefully crafted in solid yellow gold of 18 karats, with high polished finish and embellished with a great selection of natural gemstones. Mounted in the center in a four-prongs setting, with an oval step cut (18.22 x 13.66 x 7.93 mm) of a natural vivid pink rubellite tourmaline of 12.88 carats. The center gemstone is surrounded by an halo of calibrated white colorless diamonds; 16 round brilliant cut and 2 pear brilliant cut, with a total combined weight of 1.92 carats, F color, VS-1 clarity. Has a total weight of 12.6 Grams and the actual size is 7.5, sizeable. The top view measurements are 26 mm by 23 mm (1.02 x 0.91 Inches). Stamped, with the maker's mark and the hallmark for the gold assay, "18Kt". This piece is accompanied by the GIA laboratory certificate report number 5222405633. Very good conditions. Upon Request, Auction House may provide ring resizing or/and appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist..