3.28ct Tanzanite and 0.83ctw Diamond Platinum Ring

Auction #2463 | Item #38

Current Bid: $1,400

Appraised Value: $10,500


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Description

One electronically tested platinum cast tanzanite & diamond ring.

The featured tanzanite is set within a diamond floret, supported by a ribbed under gallery, completed by a two millimeter wide band. Bright polish finish. Trademark is Orianne. Identified with markings of "950". Condition is new, good workmanship. Containing:

One prong set oval mixed cut natural tanzanite, measuring 10.50 x 8.00 x 5.00mm, approximate weight of 3.28ct., 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. 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.

Sixteen prong set round brilliant cut diamonds, measuring 2.60 - 1.90 x 1.35mm (depth est.) approximate total weight of 16 Stones = 0.83ctw. The clarity & color grade reflect the overall average for the group. Graded in the setting.

Clarity SI1 to I1

Color F - H

Total Weight of Colored Stones 3.28ct.

Total Weight of Diamonds 0.83ctw.

Total Weight of Ring 4.60 gm

SKU: 1138849