One electronically tested 18KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond bezel supported by an elaborate diamond set under gallery and diamond set split shoulders, completed by a two and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "18K". Condition is new, good workmanship. One prong set rectangular cushion mixed cut natural tanzanite, measuring 12.90 x 11.50 x 7.80mm, approximate weight of 10.39ct., clarity is eye clean, type I, medium dark, moderately strong, violetish blue color, (GIA vB 6/4), cut is good. Transmitting light with no distortion, transparent. Colored Stone Grading Report attached. Graded in the setting. One Hundred Twelve prong & channel set round brilliant cut diamonds approximate total weight of 112 Stones = 1.42ct. Graded in the setting. Clarity VS-2 to SI-2 Color G - I