Absolute The instrument used to estimate a diamond is LOUPE. Such instrument must be 10X magnification. The housing surrounding the lens must be black to avoid distorting the color... Source : Jewelry Art
Be A Smart Diamond Buyer In buying precious jewelry such as diamonds extra precautions should be observe, so that you will not find it to be just wasting both of your money and time but enjoying it more than youve expected t...... Source : Where Did Diamonds Come From
