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Diamond Enhancements – Part 2: Color Enhancements

Diamond-Lighthouse-broker-color-scale

Earlier we talked about treatments that enhance the clarity of diamonds and why you should probably stay away from them. Today we’re talking about the other enhancement: color treatments. These treatments are generally performed on diamonds that would receive a low color grade from the GIA. They can turn a diamond white or colorless, or if desired, can create fancy colored diamonds. Just like clarity enhancements, both the World Jewelry Confederation and the Federal Trade Commission require any color treatments to be disclosed at the time of sale. So what are these color treatments? And are they to be avoided like clarity enhanced diamonds? Let’s start with the different types of treatments. The three most common color treatments are coating, irradiation and “High Pressure, High Temperature,” or HPHT.

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