Memorandum System in the Jewelry Industry Most jewelers and diamond dealers have for decades shared in a system called memorandum or "memo." This arrangement allows jewelers to offer a wider selec...
Why Are There Several Dealers Offering the Exact Same Stone? VIEW POST
The AGA-LBI and DFS System With the advent of new technology which is capable of physically measuring light behavior in diamonds, AGA will now use the new AGA Durability-Finish-Size (DFS) system...
The NEW AGA Cut Class and AGA-Light Behavior Index with ImaGem VIEW POST
The diamond business is at a moment in time where old ideas and technology are truly meeting head on. We have the GIA and AGS about to grade the cut of a diamond based on measurements and ray traci...
Tabulation of the 15 stones presented as examples of 5 Categories The article concludes with photos and proportion data of 15 stones given as examples of 5 Categories of cut quality. The Categories...
A review of the “foundation” of GIA’s new cut grade system VIEW POST