Gem Controversies Awaiting You in the New Millennium

The much-heralded new year has arrived, and once everyone gets used to the big calendar change, the hype will go away. What's likely not to go away are several burning issues that continue to confound the jewelry industry and undoubtedly have entered the consciousness of some savvy customers. There is no easy way to resolve these questions, but one good way to start is by reading what follows. Is the “Ideal cut” really the ideal cut? When the American Gem Society opened a grading laboratory in Las Vegas in 1996, non-AGS jewelers began using it, hoping to obtain the coveted “0” grade that indicates an Ideal cut. Why? Because diamonds with an AGS 0 sell for 15% to 20% more than those of comparable color and clarity that don't meet AGS's criteria for Ideal cut. Ideal-cut diamonds follow a formula based on proportions, angles, and percentages that mathematician Marcel Tolkowsky d

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