15.35ct DARK Tanzanite and 1.42ctw Diamond 18KT White Gold Ring (GIA CERTIFIED)

Auction #2214 | Item #2

Current Bid: $9,000

Appraised Value: $36,345

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One electronically tested 18KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond bezel supported by a diamond accented under gallery and diamond set shoulders, completed by a one and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "18K". Condition is new, good workmanship.


One prong set cushion modified brilliant cut natural tanzanite, measuring 14.94 x 12.51 x 9.68mm, exact weight 15.35ct., 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 #6173043958.


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.


Sixty prong set round brilliant cut diamonds approximate total weight of 60 Stones = 1.42ct. Graded in the setting.

Clarity          SI-1 to SI-2  

Color            G - I

SKU: 114942