One electronically tested 18KT white gold ladies cast tanzanite and diamond ring. The featured tanzanite is set within a diamond bezel supported by diamond set bypass design shoulders, completed by a three millimeter wide band. Bright polish finish with yellow gold accents. Identified with markings of "18K". Condition is new, good workmanship. Containing: One prong set triangle mixed cut natural tanzanite, measuring 7.20 x 7.00 x 4.80mm, 6%. bulge factor, approximate weight of 1.55ct., clarity is eye clean, type I, medium dark, very slightly grayish, violetish blue color, (GIA vB 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. Sixty-Three prong set round brilliant cut diamonds, measuring 1.50 - 1.40 x 0.87mm (depth est.) approximate total weight of 63 Stones = 0.70ct. Graded in the setting. Clarity: I-1 to I-2. Color: H - J Eighteen channel set baguette cut diamonds, measuring from 1.40 x 1.00 x 0.70mm (depth est.) to 1.70 x 1.10 x 0.77mm (depth est.) approximate total weight of 18 Stones = 0.20ct. Graded in the setting. Clarity: VS-2 to SI-2. Color: H - J. Total Weight of Colored Stones 1.55ct. Total Weight of Diamonds 0.90ct. Total Weight of Ring 5.88 grams. AIG Appraised at $6,460.00.

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