16.03ct Tanzanite and 0.76ctw Diamond Platinum Ring (GIA CERTIFIED)

Auction #2353 | Item #8

Current Bid: $5,500

Appraised Value: $43,505

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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 scalloped diamond bezel, supported by an elaborate lattice under gallery and diamond set three-way split shoulders, completed by a three millimeter wide band. Bright polish finish. Trademark is Orianne. Identified with markings of "PT950". Containing:

One prong set pear modified brilliant cut natural tanzanite, measuring 17.04 x 16.01 x 9.89mm, exact weight 16.03ct., clarity is eye clean, type I, medium dark, very slightly grayish, bluish violet color, (GIA bV 6/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #6177582578.

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, & 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.

Eighty-three prong set round brilliant cut diamonds exact total weight 83 Stones = 0.76ct. Graded in the setting.

Clarity SI-2 to I-2

Color G - I

Total Weight of Colored Stones 16.03ct.

Total Weight of Diamonds 0.76ct.

Total Weight of Ring 15.00 gm

SKU: 1124038