Metal: 18k Yellow Gold Marked/Tested 750 Gemstones/Diamonds Sapphire - 1.85ct Diamonds - 0.29ctw Chalcedony Clarity: Si2-I1 Color: F-G-H Measurements: Ring Size 6.25 , Top Of Ring 17mm X 20mm, ( 1 Inch = 25mm) Weight: 8.5g Description: Excellent Condition !!! Laboratory Report # Us57110401c February 16, 2011 Weight ..... 1.85ct Shape And Cut ..... Heart Mixed Measurements ..... 7.30 X 8.70 X 4.16mm Color ..... Orangy Yellow Transparency ..... Transparent Refractive Index ..... 1.762 - 1.770 L.W. Fluorescence ..... Weak Orange S.W. Fluorescence ..... Weak Orange Identifying Characteristics ..... Reduced Silk, Melted Fingerprints Spectral Analysis ..... None Conclusion ..... Natural Sapphire Comments ..... Evidence Of Heat Treatment Present. Indications Are Present That The Color Has Been Enhanced. Description ..... One Natural Sapphire Described Above, Mounted As The Center Stone In An 18k Yellow Gold Ring, Stamped "750". The Sapphire Is Surrounded By A Total Of 21 Round Brilliant Cut Diamonds, F-G-H Color, Si2-I1 Clarity With A Total Weight Of 0.29ct. The Heart Shape Ring Is Finished At The Outer Edge With Dyed Black Chalcedony. Total Weight Of The Ring Is 8.5 Grams. Further Testing Is Required To Determine If The Color Was Enhanced By Inducing Beryllium Into The Gemstone. Advanced Testing Is Required To Determine Chemical Content.
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