One electronically tested 18KT white gold ladies cast & assembled tanzanite and diamond necklace with a bright polish finish. Condition is new, good workmanship. The necklace features a tanzanite and diamond pendant supported by a graduating diamond ribbon completed by matching white gold links terminating in a concealed clasp with safety. Seventeen inch length necklace terminating in a concealed clasp with safety. Identified with markings of "750". Containing: One prong set square cushion modified brilliant cut natural tanzanite, measuring 15.05 x 15.00 x 9.37mm, exact weight 15.58ct., type I Clarity is eye clean, medium dark, very slightly grayish, Blue-Violet color, (GIA BV 6/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report # 1166097864.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 Fifteen prong set round brilliant cut diamonds, measuring 2.70 - 2.00 x 1.41mm (depth est.) approximate total weight of 115 Stones = 5.46ct. Graded in the setting. Clarity: SI-2 to I-2 . Color: F - H Twenty-Four prong set round brilliant cut diamonds, measuring 3.00 - 2.90 x 1.77mm (depth est.) approximate total weight of 24 Stones = 2.35ct. Graded in the setting. Clarity: SI-2 to I-2 . Color: F - H. Total Weight of Colored Stones 15.58ct. Total Weight of Diamonds 7.81ct. Total Weight of Necklace 30.20 grams. AIGAppraised at $65,725.00.

New