749

14KT White Gold 4.47 ctw Blue Topaz and Diamond Ring

Currency:USD Category:Jewelry / Fine Jewelry Start Price:1.00 USD Estimated At:1,500.00 - 1,940.00 USD
14KT White Gold 4.47 ctw Blue Topaz and Diamond Ring
High End Watches, Exotic Antiques, Cars, Gold, Vintage & Collectible Coins, and Jewelry.
One electronically tested 14KT white gold ladies cast blue topaz and diamond ring with a bright polish finish. Condition is new, good workmanship. The featured topaz is set within a diamond bezel supported by tapered shoulders completed by a three millimeter wide band. Trademark is Orianne. Identified with markings of "14". Containing: One prong set triangle modified mixed cut natural blue topaz, measuring 10.00 x 10.00 x 6.40mm, 10% bulge factor, approximate weight of 4.47ct., clarity is eye clean, type I, medium dark, moderately strong, very slightly greenish blue color, (GIA vslgB 6/4), 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 utilized 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 caused the added ions to become part of the crystal surface with no distinct boundary. Do no put a gem treated in this manner into an ultrasonic cleaner. Eighteen prong set round brilliant cut diamonds, measuring 1.90 - 1.80 x 1.13mm (depth est.) approximate total weight of 18 Stones = 0.53ct. Graded in the setting. Clarity: I-1 to I-2. Color: H - I. Total weight of Colored Stones: 4.47ct. Total Weight of Diamonds: 0.53ct. Total Weight of Ring: 3.64 gm. AIG Appraised at $1,940.00.