Over the years, lab-grown diamonds have boomed in popularity, and it's not difficult to see why: they're physically and chemically identical to mined diamonds but cost a lot less. Whether you are ...

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A CVD diamond (left) is composed of 100 percent carbon and is nitrogen free. It has more shine and brightness than a mined diamond (right) Image: Courtesy Limelight Diamonds In 2015, after her return ...