(K36E88) One electronically tested 14KT white gold ladies cast tanzanite and diamond ring. Condition is new, good workmanship. The featured tanzanite is set within two tiered diamond bezels supported by a lattice under gallery and diamond set shoulders, completed by a two and one-half millimeter wide band. Bright polish finish with milgrain detailing. Trademark is Orianne. Identified with markings of "14K". Containing: One prong set oval mixed cut natural tanzanite approximate weight of 4.49ct., 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. Graded in the setting. Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany and 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, and 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. Sixty prong set round brilliant cut diamonds approximate total weight of 60 Stones = 0.83ctw. Graded in the setting. Clarity I-2 to I-3 Color E - G Total Weight of Colored Stones 4.49ct. Total Weight of Diamonds 0.83ctw. Total Weight of Ring 5.42 gm