Bidspirit auction | A TANZANITE AND DIAMOND RING

A TANZANITE AND DIAMOND RING - The Properties of A Private Collection Set with an octagonal step-cut tanzanite within a pavé-set diamond surround and tapered baguette-cut diamond shoulders, to the diamond-set quarter hoop, mounted in 18K white gold, tanzanite weighing approximately 7.20 carats, ring size 6¾ Accompanied by a report from the Gemological Institute of America, stating that the approximately 7.20 carats Tanzanite is violet-blue color, report no. 1457259066, dated 20th December 2022 約7.20克拉八角方形梯式切磨坦桑石戒指，配以小鑽，鑲18K白金，戒指尺寸6¾， 附GIA證書 US$ 1,900 - 4,500