What You Should Know About Enhancements and Gem Pricing

If you get confused over gemstone enhancements, you're not alone. The industry today applies so many different treatments to gemstones – heat, oil, Opticon, irradiation – that it's no easy task evaluating enhancements and gauging their effect on price. Take ruby, for example. We know that most rubies are heated. The question is how much the heat treatment affects the value of the gem. Emerald enhancements also raise concerns. In the past, we simply assumed that all emeralds were oiled. Today there's Opticon and other resins as well as many different oils of varying durability. These treatments make a difference in the emerald's value, but just how much? Many jewelers rely on information from their gemstone suppliers and trust that the price they pay is fair. But how can you convey to consumers accurate information about gemstone enhancements? Do they know if the price they pay is

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