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This 400-page handbook gives you all of the formulas and tables necessary to help you learn to confidently and accurately estimate the weights of all mounted gemstones. You could save its cost the first time that you use it. Charles I. Carmona, G.G., is a working gemologist/appraiser, who over decades of experience, has compiled this guide to estimating the weights of all shapes and varieties of mounted gemstones. “. . . a remarkably comprehensive set of weight estimation formulae for mounted diamonds, colored stones and pearls. . . . those who appraise, buy, sell, insure or loan on used or estate jewelry. . . should consider such detailed tables a major resource for their estimating process.” -- from the foreword by Richard T. Liddicoat, Jr.
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With practice, you will sharpen your skills in estimating the weights of mounted gemstones, to help you more profitably buy gem-set jewelry.
Estimate gemstone weights in jewelry to a high degree of accuracy and you can sell stronger and with more confidence.
Accurately estimate gemstone weights quickly and easily to aid in your evaluation and valuation of jewelry.