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8.41ct Tanzanite and 1.10ctw Diamonds Platinum Ring (G.I.A. CERTIFIED)

Auction #1802 | Item #108

Current Bid: $3,500

Appraised Value: $24,790


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Description

One electronically tested platinum ladies cast and assembled tanzanite and diamond ring. Condition is new, good workmanship. The ring features a tanzanite set within a diamond bezel, supported by an elaborate lattice under gallery and diamond set shoulders, completed by a three millimeter wide band. Bright polish finish. Trademark is Orianne. Identified with markings of "PT950". Containing:

One prong set oval modified brilliant cut natural tanzanite, measuring 14.66 x 10.95 x 7.25mm, exact weight 8.41ct., clarity is eye clean, type I, medium dark, very slightly grayish, violet color, (GIA V 6/3), cut is good. Transmitting light with no distortion, transparent. G1A Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #6177582480.

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.

Forty-six prong set round brilliant cut diamonds exact total weight 46 Stones = 1.10ctw. Graded in the betting.

Clarity SI-1 to SI-3

Color F - H

Total Weight of Colored Stones 8.41 ct.

Total Weight of Diamonds 1.10ctw.

Total Weight of Ring 11.70 gm

SKU: 1123316