9.19ct DARK Tanzanite and 0.94ctw Diamond Platinum Ring (GIA CERTIFIED)

Auction #2439 | Item #2

Current Bid: $4,250

Appraised Value: $27,620

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One electronically tested platinum ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond set bezel supported by a lattice under gallery and diamond set shoulders, completed by a two and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "PT950". Condition is new, good workmanship.

One prong set oval modified brilliant cut natural tanzanite, measuring 13.65 x 11.17 x 7.85mm, exact weight 9.19ct., clarity is eye clean, type I, dark, very slightly grayish, violetish blue color, (GIA vB 7/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2161724833.

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.

Thirty-Eight prong & channel set round brilliant & baguette cut diamonds approximate total weight of 38 Stones = 0.94ct. Graded in the setting.

Clarity  VS-1 to VS-2

Color   D - F


Total Weight of Colored Stones 9.19 ct.

Total Weight of Diamonds 0.94 ct.

Total Weight of Ring 9.86 gm

SKU: 1160181