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6.98 ctw Tanzanite and 1.20 ctw Diamond Platinum Ring (GIA CERTIFIED)

Currency:USD Category:Jewelry Start Price:1.00 USD Estimated At:7,800.00 - 9,000.00 USD
6.98 ctw Tanzanite and 1.20 ctw Diamond Platinum Ring (GIA CERTIFIED)
One electronically tested platinum ladies cast tanzanite & diamond ring. Condition is new, good workmanship. The featured tanzanite is set within a diamond floret, supported by a ribbed under gallery and diamond set shoulders, completed by a two millimeter wide band. Bright polish finish with milgrain detailing. Trademark is Orianne. Identified with markings of "PT950". Containing: One prong set pear modified brilliant cut natural tanzanite, measuring 16.13 x 9.92 x 7.27mm, exact weight 6.98ct., type I Clarity is eye clean, medium dark, moderately strong, violet-blue color, (GIA VB 6/4), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2175870438 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. Thirty prong set round brilliant cut diamonds, measuring 2.30 - 2.10 x 1.32mm (depth est.) exact total weight 30 Stones = 1.20ctw. Clarity SI1 to SI2 Color F - H Total Weight of Colored Stones 6.98ct. Total Weight of Diamonds 1.20ctw. Total Weight of Ring 9.90 gm