One electronically tested 14KT white gold ladies cast and assembled tanzanite and diamond pendant with chain. Condition is new, good workmanship. The pendant features a tanzanite set within a tiered diamond bezel, completed by a diamond set bail. The pendant is supported by an eighteen inch length designer style 14KT yellow gold chain with rhodium accents, terminating in a lobster claw clasp. Trademark is Orianne. Identified with markings of "14K". Containing. One prong set rectangular cushion mixed cut natural tanzanite, measuring 13.40 x 11.10 x 6.60mm, 20% bulge factor, approximate weight of 9.23ct., clarity is eye clean, type I, medium, slightly grayish, violetish blue color, (GIA vB 5/2), 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. Seventy-five prong set round brilliant cut diamonds measuring 1.80 - 1.60 x 1.02mm (depth est. an proximate total weight of 75 Stones = 1.44ct. Graded in the setting.Clarity SI-1 to I-1Color G - H Total Weight of Colored Stones 9.23ct.Total Weight of Diamonds 1.44ct. Total Weight of Pendant With Chain 10.76 gm (22656)