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 floret supported by a ribbed under gallery and tapering shoulders, completed by a two and one-half millimeter wide band. Identified with markings of 'K14'. Condition is new, good workmanship. Containing: One prong set pear mixed cut natural tanzanite, measuring 14.40 x 12.30 x 7.85mm, 8%. bulge factor, approximate weight of 10.06ct., clarity is eye clean, type I, medium, very slightly grayish, bluish violet color, (GIA bV 5/3), 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. Twenty-Three prong set round brilliant cut diamonds, measuring 1.70 - 1.70 x 1.02mm (depth est.) approximate total weight of 23 Stones = 0.51ct. The clarity grade reflects the entire range of clarity for this group. Graded in the setting. Clarity SI-1 to I-2. Color: F - H. Total Weight of Colored Stones 10.06ct.. Total Weight of Diamonds 0.51ct.. Total Weight of Ring 8.74gm. AIG Appraised at $23,200.00.