9.41ct Tanzanite and 0.81ctw Diamond Platinum Ring

Auction #2280 | Item #61

Current Bid: $3,250

Appraised Value: $25,215

This lot is sold or expired.

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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 stylized 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 "PT950". Containing:

One prong set pear mixed cut natural tanzanite, measuring 17.00 x 10.50 x 6.70mm, 15% bulge factor, approximate weight of 9.41ct., 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. Colored Stone Grading Report attached. 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.

Forty-five prong set round brilliant cut diamonds approximate total weight of 45 Stones = 0.81ctw. Graded in the setting.

Clarity VS1 to SI1

Color F - H

Total Weight of Colored Stones 9.41ct.

Total Weight of Diamonds 0.81ctw.

Total Weight of Ring 8.02 gm

SKU: 1137714