April 16, 2024
7.13 ctw Tanzanite and Diamond Ring - 14KT White Gold Lot 399
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LOT 399Seller's Estimate: USD 14,800 - 19,720One electronically tested 14KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within a diamond bezel supported by a ribbed under gallery and diamond ribbon shoulders, completed by a two millimeter wide band. Identified with markings of "14K". Condition is new, good workmanship. Containing: One prong set square cushion mixed cut natural tanzanite, measuring 10.70 x 10.70 x 7.90mm, approximate weight of 7.13ct., clarity is slightly included, type I, medium dark, very slightly grayish, blue color, (GIA B 6/3), cut is good. Transmitting light with a minimum of distortion, transparent. Naturally occurring internal & external characteristics are present. 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. 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
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