Dan Diamond is a national health reporter for The Washington Post, focused on accountability, federal agencies and public health. He joined The Post in 2021 after covering the Trump administration ...

This course covers how to describe diamond jewelry accurately for effective and ethical sales conversations with customers. Key topics examined include the internationally accepted GIA clarity grading ...

The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text.

At close: November 14 at 10:03 AM GMT+11 ...

They have the same physical properties of natural diamonds because they are created in a lab using technology that replicates the natural diamond growing process. Rather than taking billions of ...

The man-made diamond boom is over, and prices for ultra-trendy lab-grown diamonds are set to tumble this year, industry veterans say. Paul Zimnisky, a leading diamond analyst, foresees jewelers ...

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Build financial models with decades of earnings stats, ratios, and valuation data — all exportable — to power your trade ideas.