One electronically tested 14KT yellow gold ladies cast & assembled tanzanite and diamond pendant with chain. The pendant features a tanzanite set within two tiered diamond bezels, completed by a diamond set bail. The pendant is supported by an eighteen inch length 14KT yellow gold designer style chain, terminating in a lobster claw clasp. Bright polish finish. Identified with markings of "14K". Condition is new, good workmanship. Containing: One prong set pear brilliant cut natural tanzanite, measuring 11.60 x 11.90 x 6.60mm, 6% bulge factor, approximate weight of 6.47ct., clarity is eye clean, type I, medium dark, slightly grayish, violetish blue color, (GIA vB 6/2), 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. Eighty-One prong set round brilliant cut diamonds, measuring 1.50 - 1.30 x 0.84mm (depth est.) approximate total weight of 81 Stones = 0.91ct. Graded in the setting. Clarity: SI-1 to I-1. Color: G - I. Total Weight of Colored Stones 6.47ct. Total Weight of Diamonds 0.91ct. Total Weight of Pendant With Chain 8.94 grams. AIG Appraised at $17,795.00.