C4 : Certification
There are no laws to regulate how diamonds are graded. There are differences among different grading companies and organizations. On Line Loose Diamonds works with certified/graded diamonds from the most respected labs: GIA, AGS and EGL.
GIA – GEMOLOGICAL INSTITUTE OF AMERICA
The GIA Lab is the most common and sets the industry standard for COLOR and CLARITY grading. The Diamond Dossier © , is issued for diamonds weighing less than 1 carat.
AGS – AMERICAN GEM SOCIETY
The AGS Laboratories has been providing high quality diamond grading reports since 1996.
AGS were the first diamond laboratory to offer a diamond cut grade based on proven science and the first laboratory to offer cut grading for fancy shapes including princess, emerald and oval cut diamonds.
AGS Laboratories © diamond grading reports offer easy-to-read grading scales.
EGL – EUROPEAN GEMOLOGICAL LABORATORY
EGL is one of the world’s premier gemological laboratories. For over 25 years it has offered the fine jewelry trade and consumers accurate, reliable gemstone identification and professional certification to validate their gemstone purchases.
EGL diamond grading reports are usually more affordable.