6.30ct DARK Tanzanite and 0.91ctw Diamond Platinum Ring (GIA CERTIFIED)

Auction #2281 | Item #34

Current Bid: $3,250

Appraised Value: $20,300

This lot is sold or expired.

Register for Auction
Request More Information

One electronically tested platinum ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond 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 triangular modified brilliant cut natural tanzanite, measuring 13.00 x 13.22 x 6.18mm, exact weight 6.20ct., clarity is eye clean, type I, dark, moderately strong, violet color, (GIA V 7/4), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2161949281.

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.

Forty-Four prong set round brilliant cut diamonds approximate total weight of 44 Stones = 0.91ct. Graded in the setting.

Clarity    VS-1 to VS-2  

Color     D - F


Total Weight of Colored Stones 6.20 ct. 

Total Weight of Diamonds 0.91 ct. 

Total Weight of Ring 8.64 gm 

SKU: 1160069