The international unit of weight used for measuring diamond and gemstones, 1 carat is equal to 0.2 grams. Use below guide to estimate the size of your diamond.
The scale below illustrates the size of a 1.510000 diamond. Remember that while the measurements below are typical, every diamond is unique.
H is the last of the White colors. Not detectable to the naked eye, but will be noticed when compared to the higher colors. Commercial white is its common name.
VVS2 This diamond has few, very small inclusions. The inclusions are very difficult to see under a 10x power magnification, and are almost never visible to the unaided eye. VS1 grade diamonds present an excellent value in clarity because they are typically free of visible blemishes, and they are less expensive than higher clarity grades.
Excellent: Extremely precise proportions and symmetry allowing for an optimal balnace of brightness. fire and scintillation. This cut will magnify the beauty of a diamond and bring out many colours as light passes through the stones.