Cutting a very large D / Flawless or a fancy green rough is a very exciting, very expensive and very intimidating proposition. Deciding how to cut such a unique piece of rough is a painstaking process that can take as long as a year or more of studying, testing, and practicing before the rough is actually cut.

DTI technology gives a cutter the power to cut this special piece of rough in the computer as many different ways as he chooses. With each test Cut, the cutter will know what the diamond will look like, its weight, and even have some idea of its finished color, without ever cutting the piece Rough.

• A 3D skin rep of the rough diamond is gathered and the fitting process by Sarin type machine determines the general shape for maximum yield

• The cutter then uses the computer to change both facet pattern and proportions analyzing the beauty components / index each time until the best combination of yield is determined.
• Once the best combination of facet pattern and proportions is determined,DTI technology can provide the necessary cutting information shown below
  if needed.