5.24ct Tanzanite and 0.73ctw Diamond Platinum Ring

Auction #2016 | Item #278

Current Bid: $2,250

Appraised Value: $17,305

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 two tiered diamond bezels supported by a lattice under gallery and diamond set shoulders, completed by a two millimeter wide band. Trademark is A. I. Identified with markings of "PT950". Containing:

One prong set pear mixed cut natural tanzanite, measuring 13.80 x 8.45 x 6.60mm, approximate weight of 5.24ct., clarity is eye clean, type I, medium dark, moderately strong, violetish blue color, (GIA vB 6/4), 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 and 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, and 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.

Ninety-two prong set round brilliant cut diamonds approximate total weight of 92 Stones = 0.73ct. Graded in the setting.

Clarity VS-1 to VS-2

Color D - F

Total Weight of Colored Stones 5.24ct.

Total Weight of Diamonds 0.73ct.

Total Weight of Ring 9.09 gm

SKU: 1115024