13.98ct Tanzanite and 2.28ctw Diamond Platinum Ring

Auction #2440 | Item #2

Current Bid: $4,250

Appraised Value: $47,000

This lot is sold or expired.

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One electronically tested platinum ladies custom cast tanzanite & diamond ring. Condition is new, good workmanship.

The featured tanzanite is set within a tiered diamond bezel supported by an elaborate lattice under gallery and diamond set shoulders, completed by a three millimeter wide band. Trademark is Orianne. Identified with markings of "PT950". Containing:

One prong set oval mixed cut natural tanzanite, measuring 18.80 x 13.10 x 7.94mm, approximate weight of 13.98ct., clarity is eye clean, type I, medium dark, moderately strong, blue color, (GIA B 6/4), cut is very 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. 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.

Seventy-eight prong set round brilliant cut diamonds approximate total weight of 78 Stones = 2.28ctw. The clarity & color grade reflect the overall average for the group. Graded in the setting.

Clarity SI1 to SI2

Color G - H

Total Weight of Colored Stones 13.98ct.

Total Weight of Diamonds 2.28ctw.

Total Weight of Ring 17.70 gm

SKU: 1138801