April 16, 2024
14KT White Gold 2.94 ctw Tanzanite and Diamond Ring Lot 235
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LOT 235Seller's Estimate: USD 8,500 - 11,310One electronically tested 14KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within an elaborate diamond set curvature supported by diamond set shoulders, completed by a two and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "14K". Condition is new, good workmanship. Containing: One prong set triangle brilliant cut natural tanzanite, measuring 9.00 x 8.90 x 5.75mm, 6% bulge factor, approximate weight of 2.94ct., clarity is eye clean, type I, medium dark, very slightly grayish, bluish violet color, (GIA bV 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. Eighty-Three prong set round brilliant cut
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