3.44 ctw Tanzanite and Diamond Ring - 18KT White Gold Lot 640

3.44 ctw Tanzanite and Diamond Ring - 18KT White Gold Lot 640 (image 1/[null, null, null, null])
3.44 ctw Tanzanite and Diamond Ring - 18KT White Gold Lot 640 (image 2/[null, null, null, null])
3.44 ctw Tanzanite and Diamond Ring - 18KT White Gold Lot 640 (image 3/[null, null, null, null])
3.44 ctw Tanzanite and Diamond Ring - 18KT White Gold Lot 640 (image 4/[null, null, null, null])
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LOT 640Seller's Estimate: USD 7,950 - 10,580One electronically tested 18KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The featured tanzanite is set within intertwining diamond ribbons forming a stylized heart design supported by diamond set split shoulders, completed by a grooved two and one-half millimeter wide band. Identified with markings of "18K". Condition is new, good workmanship. Containing: One prong set pear mixed cut natural tanzanite, measuring 9.85 x 9.82 x 5.15mm, approximate weight of 3.44ct., clarity is eye clean, type I, medium dark, very slightly grayish, violetish blue color, (GIA vB 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. Sixty-Three prong set round brilliant cut diamonds, read more
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