AUCTION XX The Joy of Jewelry
Lot 244:
Lot was removed from auction
One electronically tested platinum ladies cast tanzanite and diamond ring with a bright polish finish. Condition is new, good workmanship. The featured tanzanite is set within a diamond bezel supported by diamond set shoulders, completed by a two and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "PT950". Containing:Ê One prong set cushion modified brilliant cut natural tanzanite, measuring 13.96 x 9.30 x 6.96mm, exact weight 7.53ct., clarity is eye clean, type I, dark, very slightly grayish, violetish blue color, (GIA vB 7/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2175388231.Ê 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.Ê Thirty-two prong set round brilliant cut diamonds approximate total weight of 32 Stones = 1.22ct. Graded in the setting. Clarity VS-1 to VS-2 Color D – FÊ Total Weight of Colored Stones 7.53ct. Total Weight of Diamonds 1.22ct. Total Weight of Ring 8.50 gm
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