One electronically tested 18KT White Gold ladies cast & assembled tanzanite and diamond pendant with chain. The pendant features a tanzanite set within intertwining diamond ribbons, completed by a diamond set hidden bail. The pendant is supported by an eighteen inch length 14KT White Gold designer style chain, terminating in a lobster claw clasp. Bright polish finish with milgrain detailing. Identified with markings of "18K 750". Condition is new, good workmanship. Containing: One prong set pear brilliant cut natural tanzanite, measuring 12.50 x 8.80 x 5.70mm, 8% bulge factor, approximate weight of 4.54ct., 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. One Hundred Forty-Seven prong and channel set round brilliant & baguette cut diamonds approximate total weight of 147 Stones = 2.37ct. Graded in the setting. Clarity: VS-1 to SI-1. Color: G - I. Total Weight of Colored Stones 4.54ct. Total Weight of Diamonds 2.37ct. Total Weight of Pendant With Chain 10.38 grams. AIG Appraised at $21,990.00.

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