Method and apparatus for simplifying and improving consistency o

Method and apparatus for the positive identification of a natura

Method and arrangement for non-destructive composition...

Method and associated apparatus for the standardized grading of

Method and associated apparatus for the standardized grading...

Method and device for determining defects within a crystallograp

Method and system for online evaluation of gemstones

Method for assessing diamond quality

Method for detecting diamonds in remote locations

Method for determining crystal orientation

Method for discerning colorless and near colorless diamonds...

Method for grading gemstone cut and symmetry

Method for nondestructive measurement of dislocation density in

Method for positioning a crystal ingot

Method of and apparatus for in-situ monitoring of...

Method of and apparatus for real-time crystallographic axis orie

Method of characterizing the colored appearance of a gemstone

Method of detection of natural diamonds that have been...

Method of determining the authenticity and the geographical...

Method of diamond identification