SILVER 2.64ct Tanzanite and Topaz Ring SLV397. New Condition! NV401WV. One electronically tested 925 silver ladies cast tanzanite and white topaz ring with a bright polish finish. The featured tanzanite is accented by a single white topaz on either side and supported by tapering double open heart shoulders. The ring is completed by a two and one-half millimeter wide band. Identified with markings of "925". Condition is new, good workmanship. Containing: One prong set oval cabochon cut natural tanzanite, measuring 10.05 x 7.50 x 3.65mm, 6% bulge factor, approximate weight of 2.64ct, clarity is heavily included, type I, medium dark, very slightly grayish, bluish violet color, (GIA bV 6/3), cut is good. Transmitting light somewhat diffusely, translucent. Naturally occurring internal & external characteristics are present. 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 umburu 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. One prong set round mixed cut natural white topaz, measuring 3.00 - 3.00 x 1.95 mm, approximate weight of 0.15ct, clarity is eye clean, colorless, very slightly grayish, white color, (GIA W 0/3), cut is good. Transmitting light with no distortion, transparent. Color grade is an average for the pair. Graded in the setting. Total Weight of Colored Stones 2.79 ct. Total Weight of Ring 3.78 grams AIG Appraised at $565.00.

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