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9.47ct Tanzanite and 0..65ctw Diamond Platinum Ring (GIA CERTIFIED)

Auction #1488 | Item #60113: Rings, Platinum, and Tanzanite (item 247 of 300 in auction)

Current Bid: $3,500

Appraised Value: $26,475

2 Bids Placed

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Wednesday September 20, 2:00 PM PST

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Description

One electronically tested platinum ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond floret bezel supported by 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.

Containing: 

One prong set oval modified brilliant cut natural tanzanite, measuring 14.58 x 10.45 x 8.41mm,  exact weight 9.47ct., clarity is eye clean, type I, dark, very slightly grayish, violet color, (GIA V 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 #2161949023.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-Four prong set round brilliant cut diamonds approximate total weight of 34 Stones = 0.65ct.  Graded in the setting.

Clarity         VS-1 to VS-2   

Color           G - I

 

Total Weight of Colored Stones   9.47 ct. 

Total Weight of Diamonds   0.65 ct. 

Total Weight of Ring   8.64 gm 

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