14KT White Gold 2.57ct Tanzanite and Diamond Pendant With Chain A9865. New Condition! GN5021YE. One electronically tested 14KT white gold ladies cast & assembled tanzanite and diamond pendant with chain. Condition is new, good workmanship. The pendant features a tanzanite set within a diamond bezel, completed by a diamond set bail. The pendant is supported by an eighteen inch length 14KT white gold designer style chain, terminating in a spring ring clasp. Bright polish finish. Trademark is Orianne. Identified with markings of "14K". Containing: One prong set rectangular step cut natural tanzanite, measuring 10.15 x 6.90 x 3.45mm, 6%. bulge factor, approximate weight of 2.57ct., 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 & 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. Forty-Four prong set round brilliant cut diamonds, measuring 1.10 - 1.00 x 0.63mm (depth est.) approximate. Total Weight of 44 Stones = 0.24ct. Graded in the setting. Clarity: SI-1 to I-1. Color: G - I. Total Weight of Colored Stones 2.57ct. Total Weight of Diamonds 0.24ct. Total Weight of Pendant With Chain 4.81 grams. AIG Appraised at $7,585.00.