One electronically tested platinum ladies custom cast tanzanite & diamond ring. Condition is new, good workmanship. The featured tanzanite is set within a diamond bezel, supported by a ribbed under gallery & diamond set shoulders, completed by a two millimeter wide band. Bright polish finish. Trademark is Orianne. Identified with markings of "PT950" Containing: One prong set rectangular step cut natural tanzanite, measuring 10.91 x 10.12 x 6.98mm, exact weight 7.07ct., clarity is eye clean, type I, medium dark, moderately strong, bluish violet color, (GIA bV 6/4), cut is very good. Transmitting light with no distortion, transparent. Graded loose prior to setting in the GIA Laboratory, Report No.2215233274. The report is attached. Tanzanite is a very rare gemstone that is only found in Tanzania. The mining area is located just south of the Kenya border near Mt. Kilimanjaro. Tanzanite occurs in colors of gray, brown, violet, blue, reddish-purple, & green. Rotated in different directions tanzanite will exhibit multiple changes of color. Tanzanite has a low tolerance to ultrasonic cleaning and should not be cleaned using this method. Thirty-six prong set round brilliant cut diamonds approximate total weight of 36 Stones = 0.68ctw. The clarity & color grade reflect the overall average for the group. Graded in the setting. Clarity VS2 to SI2 Color F - H Total Weight of Colored Stones 7.07ct. Total Weight of Diamonds 0.68ctw. Total Weight of Ring 7.30 gm