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45.20 ctw Topaz, Sapphire and Diamond Ring - 18KT White Gold

Currency:USD Category:Jewelry / Fine Jewelry Start Price:1.00 USD Estimated At:5,550.00 - 7,355.00 USD
45.20 ctw Topaz, Sapphire and Diamond Ring - 18KT White Gold
High End Watches, Exotic Antiques, Cars, Gold, Vintage & Collectible Coins, and Jewelry.
One electronically tested 18KT white gold ladies cast blue topaz, sapphire & diamond ring. The featured blue topaz is set within sapphire and diamond studded prongs supported by split shoulders, completed by a five millimeter wide band. Bright and patterned finish. Identified with markings of "18K 750". Condition is new, good workmanship. Containing: One prong set rectangular step cut natural blue topaz, measuring 24.00. x 17.80 x 11.10mm, approximate weight of 45.20ct., clarity is eye clean, type I, medium light, very slightly grayish, very slightly greenish blue color, (GIA vslgB 4/3), 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. Sixty-eight prong set round mixed cut natural blue sapphires, measuring 1.60 - 1.20 x 0.90 mm, approximate total weight of 1.06ct., clarity is eye clean, type II, medium, very slightly grayish, violetish blue color, (GIA vB 5/3), cut is good. Transmitting light with no distortion, transparent. Measurements & the color grade are an average for the group. Graded in the setting. Seventy-Six prong set round brilliant cut diamonds, measuring 1.50 - 1.20 x 0.81mm (depth est.) approximate total weight of 76 Stones = 0.68ct. Graded in the setting. Clarity: SI-2 to I-2 . Color: G - I. Total Weight of Colored Stones 46.26ct.. Total Weight of Diamonds 0.68ct.. Total Weight of Ring 22.70gm. AIG Appraised at $7,355.00.

High End Watches, Exotic Antiques, Cars, Gold, Vintage & Collectible Coins, and Jewelry.