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5.96ct Tanzanite and 1.02ctw Diamond Ring

Auction #1483 | Item #36

Current Bid: $1,300

Appraised Value: $17,385

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One electronically tested 14KT white gold ladies cast tanzanite & diamond ring with a bright finish. The featured tanzanite is set within a diamond bezel, supported by diamond set shoulders, completed by a three millimeter wide band. Trademark is Orianne. Identified with markings of "14K". Condition is new, good workmanship.


One prong set oval mixed cut natural tanzanite, measuring 12.00 x 10.00 x 6.55mm, 8% bulge factor, approximate weight of 5.96ct., clarity is slightly included, type I, medium dark, moderately strong, blue color, (GIA B 6/4), cut is very good. Transmitting light with no distortion, transparent. Naturally occurring internal & external characteristics are present. Graded in the setting. Colored Stone Grading Report attached.


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.


Twenty-Four prong & bezel set round brilliant cut diamonds (depth est.) approximate total weight of 24 Stones = 1.02ct. Graded in the setting.


Clarity            SI-2 to I-2    
Color              G - H