Metal: platinum. Marked/Tested KNOX, PLAT Gemstones/Diamonds one ruby. Clarity: NA Color: NA Measurements: ring size 6.5, 5.2mm wide (1 inch= 25mm) Weight: 7.6g. Description: excellent condition!!! Report # US 54490201C February 12, 2010. Weight: 0.87ct Shape and Cut: Round Mixed Measurements: 5.21 - 5.19 x 3.51mm Color: Dark Red Transparency: Transparent Refractive Index: 1.762 - 1.770 L.W. Fluorescence: Strong Red S.W. Fluorescence: Medium Chalky Red Identifying Characteristics: Reduced Silk, Melted Fingerprints Spectral Analysis: Chrome Lines Conclusion: Natural Ruby Comments: Evidence of heat treatment is present. One platinum solitaire ring stamped "PLAT" containing natural ruby described in detail above. The ring weighs 7.6 grams. Grades, weights and measurements are approximate as permitted by mounting.
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