In 2007, Bill Underwood’s Beauty Grade Machine®, received its U.S. patent (7,193,694B2) for the laser technology. The machine is the only technology of its kind to exist in the world and is incredibly accurate. The machine measures the light return from a...
The cut of a diamond is the most important factor in determining its price because it affects all the other aspects (the 4 C’s) of the diamond. Cut is also the most difficult aspect to grade. Diamonds are small and the clear edges are hard to see and measure so...
