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18KT White Gold GIA 7.10ct. Tanzanite and Diamond Ring

Currency:USD Category:Jewelry / Rings Start Price:1.00 USD Estimated At:5,100.00 - 10,150.00 USD
18KT White Gold GIA 7.10ct. Tanzanite and Diamond Ring
One electronically tested 18KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond bezel supported by diamond set split shoulders, completed by a two and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "18K". Condition is new, good workmanship. Containing: One prong set cushion modified brilliant cut natural tanzanite, measuring 12.64 x 10.88 x 6.88mm, exact weight 7.10ct., clarity is eye clean, type I, medium dark, very slightly grayish, violet color, (GIA V 6/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded looseprior to setting in the GIA Laboratory, Report #2161949034.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.Forty-Six prong and channel set round brilliant and baguette cut diamonds approximate total weight of 46 Stones = 1.13ct. Graded in the setting. Clarity: SI-1 to I-1. Color: G - I. Total Weight of Colored Stones 7.10ct. Total Weight of Diamonds 1.13ct. AIG Appraised at $20,290.00.