Tests have been done on moissanite to see if this jewel is better then diamonds. Amber Amber, which is often used in American Indian jewelry, is not actually a stone. Amethyst American Indian jewelry containing a beautiful purple setting most likely contains amethyst.
Diamond Certificate
Explanation of Cut, Color and Clarity of This Diamond
Cut Quality Diamonds of premium cut are almost as good as ideal. While nature determines the color and clarity of a stone, diamond cut is dependent solely upon the skill of the cutter. Premium cut diamonds may be close to the ideal cut proportions and look just identical. Most people cannot distinguish between the two. However, there is a slight difference in quality and reduction in price over ideal cut diamonds.
Color Diamonds of H color are almost colorless. H color is the second best grade of in near colorless category. To see the presence of color one would place such diamonds against flat white background. Some presence of either yellow, brown or gray tint should be noticeable.
Clarity Diamonds of SI1 clarity are slightly included grade one. Inclusions in SI1 diamonds are easily identified through a strong loupe. Finding flaws in this category with the naked eye is difficult. The diamonds in this category maintain their integrity, depending on the location of the inclusions.