One electronically tested 18KT white gold ladies cast & assembled tanzanite and diamond necklace with a bright polish finish. Eighteen inch wearable length chevron style necklace features a pendant containing a tanzanite set within three diamond bezels The necklace is supported by a flexible diamond ribbon, terminating in a concealed clasp with safety. Bright polish finish. Identified with markings of "750". Condition is new, good workmanship. Containing: One prong set octagonal step cut natural tanzanite, measuring 20.15 x 18.72 x 12.83mm, exact weight 43.74ct., type I Clarity is eye clean, dark, moderately strong, violet-blue color, (GIA VB), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2151735948.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 2.80 - 2.50 x 1.59mm (depth est.) approximate total weight of 130 Stones = 8.95ct. Graded in the setting. Clarity: SI-1 to I-1. Color: G - I One Hundred Seventy-Six prong set round brilliant cut diamonds, measuring 2.30 - 1.80 x 1.23mm (depth est.) approximate total weight of 176 Stones = 5.64ct. Graded in the setting. Clarity: SI-1 to I-1. Color: G - I. Total Weight of Colored Stones 43.74ct. Total Weight of Diamonds 14.59ct. Total Weight of Necklace 43.21 grams. AIG Appraised at $158,285.00.

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