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11.87 ctw DARK Tanzanite and 1.54 ctw Diamond 18K White Gold Ring (GIA CERTIFIED

Currency:USD Category:Jewelry Start Price:1.00 USD Estimated At:12,500.00 - 14,500.00 USD
11.87 ctw DARK Tanzanite and 1.54 ctw Diamond 18K White Gold Ring (GIA CERTIFIED
11.87ct DARK Tanzanite and 1.54ctw Diamond 18K White Gold Ring (GIA CERTIFIED). One electronically tested 18KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. Condition is new, good workmanship. The featured tanzanite is set within a diamond bezel supported by elaborate diamond set split shoulders, completed by a two millimeter wide band. Trademark is Orianne. Identified with markings of "18K". Containing: One prong set cushion modified brilliant cut natural tanzanite, measuring 13.94mm x 11.00mm x 9.38mm, exact weight 11.87ct., clarity is eye clean, type I, dark, very slightly grayish, bluish violet color, (GIA bV 7/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report 5171044754. Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany and 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, and 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 and channel set round brilliant and baguette cut diamond approximate total weight of 78 Stones = 1.54ct. Graded in the setting. Clarity SI2 to I1 Color G - I Total Weight of Colored Stones 11.87ct. Total Weight of Diamonds 1.54ct. Total Weight of Ring 9.46 gm