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Lot 0008


One electronically tested platinum ladies cast tanzanite & diamond ring. The featured tanzanite is set within a diamond bezel, supported by a lattice under gallery and diamond set shoulders, completed by a three millimeter wide band. Bright polish finish. Trademark is Orianne. Identified with markings of "PT950". Condition is new, good workmanship. Containing: One prong set oval modified brilliant cut natural tanzanite, measuring 13.13 x 10.14 x 7.20mm, exact weight 7.05ct., type I Clarity is eye clean, medium, very slightly grayish, violet-blue color, (GIA VB 5/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #1172871664.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. Seventy prong set round brilliant cut diamonds, measuring 1.90 - 1.40 x 0.99mm (depth est.) exact total weight 70 Stones = 1.20ct. Graded in the setting. Clarity SI-1 to SI-2 Color F - H Total Weight of Colored Stones 7.05 ct. Total Weight of Diamonds 1.20 ct. Total Weight of Ring 10.50 gm Estimated Retail Value $ 21,990.00 US



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7.05 ctw Tanzanite and Diamond Ring - Platinum

Estimate $12,300 - $15,400Nov 08