34.60ct Blue Topaz and 1.71ctw White Sapphire Silver Ring

Auction #1822 | Item #31

Current Bid: $175

Appraised Value: $2,570

This lot is sold or expired.

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One electronically tested 925 silver ladies cast blue topaz and white sapphire ring with a bright polish finish. Condition is new, good workmanship. The featured blue topaz is set within a two tiered white sapphire lattice gallery, completed by a three millimeter wide band. Trademark is Orianne. Identified with markings of "925". Containing:

One prong set pear mixed cut natural blue topaz, measuring 23.00 x 17.50 x 13.75mm, approximate weight of 34.60ct., clarity is eye clean, type I, medium dark, very slightly grayish, very slightly greenish blue color, (GIA vslgB 6/3), cut is good. Transmitting light with no distortion, transparent. Graded in the setting.

A deposit of a thin layer has been applied to the topaz to produce the intense color effect. The process utilizes a very high temperature treatment, diffusion of ions into the topaz, plus in some cases neutron bombardment has been used to create the color center. Diffusion processes causes the added ions to become part of the crystal surface with no distinct boundary. Do not put a gem treated in this manner into an ultrasonic cleaner.

Eighty-five prong set pear mixed cut natural white sapphires, measuring 1.50 x 1.40 x 0.91mm, approximate total weight of 1.71ct., 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 group. Graded in the setting.

Total Weight of Colored Stones 36.31ct.

Total Weight of Ring 15.10 gm

SKU: 1124147