14KT White Gold 4.76ct Tanzanite and Diamond Pendant With Chain RM1865. Great Condition! XG6091JU. One electronically tested 14KT white gold ladies cast & assembled tanzanite and diamond pendant with chain. The pendant features a tanzanite set within an elaborate diamond lattice, completed by a diamond set white gold bail. The pendant is supported by an eighteen inch 14KT white gold designer style chain terminating in a lobster claw clasp. Bright polish finish. Trademark is ORIANNE. Identified with markings of "14K". Condition is new, good workmanship. Containing: One prong set triangle mixed cut natural tanzanite, measuring 10.00 x 9.50 x 7.71mm, 5%. bulge factor, approximate weight of 4.76ct., clarity is eye clean, type I, medium, very slightly grayish, violetish blue color, (GIA vB 5/3), 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 & 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 Thirty prong set round brilliant cut diamonds, measuring 2.00 - 1.20 x 0.96mm (depth est.) approximate. Total Weight of 130 Stones = 1.30ct. Graded in the setting. Clarity: I-1 to I-2. Color: H - J. Total Weight of Colored Stones 4.76ct.. Total Weight of Diamonds 1.30ct. AIG Appraised at $14,715.00.