One electronically tested 14KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond bezel supported by a diamond set under gallery and diamond set split shoulders, completed by a one and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "14K". Condition is new, good workmanship. Containing: One prong set pear mixed cut natural tanzanite, measuring 15.40 x 9.95 x 6.60mm, 5%. bulge factor, approximate weight of 7.11ct., clarity is eye clean, type I, medium dark, very slightly grayish, bluish violet color, (GIA bV 6/3), cut is good. Transmitting light with no distortion, transparent. Colored Stone Grading Report attached. Graded in the setting. Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany & Company, named the stone Tanzanite. It is found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. Tanzanite occurs in gray, brown, violet, blue, reddish-purple, & green. The gem is interesting because of its exceptional pleochroism. Rotated in different directions a tanzanite will exhibit multiple changes of color. Tanzanite has a low tolerance to ultrasonic cleaning, and should not be cleaned using this method. One Hundred Five prong set round brilliant cut diamonds, measuring 1.20 - 1.10 x 0.69mm (depth est.) approximate total weight of 105 Stones = 0.67ct. Graded in the setting. Clarity: I-1 to I-2. Color: H - J. Total Weight of Colored Stones 7.11ct. Total Weight of Diamonds 0.67ct. Total Weight of Ring 4.70gm. AIG Appraised at $18,190.00.