One electronically tested 14KT yellow gold ladies cast tanzanite and diamond ring. The featured tanzanite is set within a diamond bezel, completed by a two and one-half millimeter wide band. Bright polish finish with rhodium accents. Trademark is Orianne. Identified with markings of "14K". Condition is new, good workmanship. Containing: One prong set pear brilliant cut natural tanzanite, measuring 10.25 x 10.00 x 5.45mm, 6% bulge factor, approximate total weight of 3.97ct., 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. Fourteen prong set round brilliant cut diamonds, measuring 2.30 - 2.20 x 1.35mm (depth est.) approximate total weight of 14 Stones = 0.68ct. Graded in the setting. Clarity: SI-1 to I-1. Color: G - I. Total Weight of Colored Stones 3.97ct. Total Weight of Diamonds 0.68ct. Total Weight of Ring 3.90 grams. AIG Appraised at $12,560.00.

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