6.98ct Tanzanite and 1.20ctw Diamond Platinum Ring (GIA CERTIFIED)

Auction #2156 | Item #103

Current Bid: $3,250

Appraised Value: $23,400

This lot is sold or expired.

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One electronically tested platinum ladies cast tanzanite and diamond ring. Condition is new, good workmanship. The featured tanzanite is set within a diamond floret, supported by a ribbed under gallery and diamond set shoulders, completed by a two millimeter wide band. Bright polish finish with milgrain detailing. Trademark is Orianne. Identified with markings of "PT950". Containing:

One prong set pear modified brilliant cut natural tanzanite, measuring 16.13 x 9.92 x 7.27mm, exact weight 6.98ct., type I Clarity is eye clean, medium dark, moderately strong, violet-blue color, (GIA VB 6/4), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2175870438

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.

Thirty prong set round brilliant cut diamonds, measuring 2.30 - 2.10 x 1.32mm (depth est.) exact total weight 30 Stones = 1.20ctw.

Clarity SI-1 to SI-2

Color F - H

Total Weight of Colored Stones 6.98ct.

Total Weight of Diamonds 1.20ctw.

Total Weight of Ring 9.90 gm

SKU: 1115043