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2.21ct Tanzanite and 0.65ctw Diamond 14K White Gold Ring

Auction #1573 | Item #41

Current Bid: $900

Appraised Value: $7,975

This lot is sold or expired.

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One electronically tested 14KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. Trademark is ORIANNE. Identified with markings of "14K". Condition is new, good workmanship.


One prong set rectangular cushion mixed cut natural tanzanite, measuring 8.50 x 6.00 x 5.00mm, 10% bulge factor, approximate weight of 2.21ct., clarity is eye clean, type I, medium, very slightly grayish, violetish blue color, (GIA vB 5/3), cut is good. Transmitting light with no distortion, transparent. Graded in the setting.

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, measuring 2.60 - 1.20 x 1.14mm (depth est.) approximate total weight of 34 Stones = 0.65ct. Graded in the setting.


Clarity         SI-1 to I-1    

Color           G - I


Total Weight of Colored Stones  2.21 ct.

Total Weight of Diamonds  0.65 ct.