GIA - Gemological Institute of America

GIA is the best known name for diamond gradation and gemstone identification. With objectivity and experience, GIA guarantees the integrity and accuracy of each of its reports. GIA analyzes each material presented to its attention in order to determine whether it is natural or not and discloses the treatments detected during the examination.

HRD Antwerp - Institue of Gemmology

In the world of jewels and precious stones, the term Antwerp diamond has a special meaning. It is synonymous with precision, absolute integrity, experience and centuries of tradition: all these are fundamental qualities when dealing with the most precious jewel in the world: the diamond.

IGI - International Gemological Institute

The supremacy of the IGI in the gemological world is no coincidence: it is the result of continuous research, support and synergy with professionals and consumers.

Diamond Import

Diamond Import has been offering for years the possibility of certifying stones using a sophisticated gemological analysis laboratory. Thanks to a constantly updated instrumentation within the company it is possible to close any precious stone in special blisters.