4.26ct DARK Tanzanite and 0.92ctw Diamond 18KT White Gold Ring

Auction #1784 | Item #42

Current Bid: $1,300

Appraised Value: $14,100

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One electronically tested 18KT white gold ladies cast tanzanite & diamond ring with a bright finish. The featured tanzanite is set within a tiered diamond bezel, supported by a diamond set ribbed under galley and diamond set shoulders, completed by a two millimeter wide band. Trademark is Orianne. Identified with markings of "18K". Condition is new, good workmanship.


One prong set rectangular standard step cut natural tanzanite, measuring 10.10 x 8.00 x 5.60mm, approximate weight of 4.26ct., clarity is eye clean, type I, dark, moderately strong, violetish blue color, (GIA vB 7/4), 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.


One Hundred Eight prong set round brilliant cut diamonds approximate total weight of 108 Stones = 0.92ct. Graded in the setting.

Clarity          VS-2 to SI-2  

Color            G - I

SKU: 114823