12.01ct Tanzanite and 1.16ctw Diamond 18K White Gold Ring

Auction #1842 | Item #122

Current Bid: $1,300

Appraised Value: $33,595

This lot is sold or expired.

Register for Auction
Request More Information

One electronically tested 18KT white gold ladies cast tanzanite and diamond ring. Condition is new, good workmanship. The featured tanzanite is set within a diamond floret supported by diamond set split shoulders, completed by a two and one-half millimeter wide band. Bright polish finish with milgrain detailing. Trademark is UCG. Identified with markings of "18K 750". Containing:

One prong set oval mixed cut natural tanzanite, measuring 15.70 x 11.70 x 8.60mm, approximate weight of 12.01 ct., clarity is eye clean, type I, medium dark, very slightly grayish, violetish blue color, (GIA vB 6/3), cut is good. Transmitting light with no distortion, transparent. Colored Stone Grading Report attached. 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.

Sixty-two prong set round brilliant cut diamonds approximate total weight of 62 Stones = 1.16ct. Graded in the setting.

Clarity SI-1 to SI-2

Color E - G

Total Weight of Colored Stones 12.01ct

Total Weight of Diamonds 1.16ct

Total Weight of Ring 9.51 gm

SKU: 1122219