Diamond Guide

Diamond Certificate

Diamonds certificates verify the authenticity of the stone characteristics,

Diamond certification or grading is a system designed to enable buyers of diamond to judge the quality of the diamonds they are buying

To be certain that you have the diamond you paid for, you need a genuine grading and characteristics report.

GEMOLOGICAL INSTITUTE AMERICA (GIA)

The GIA is an independent agency with a worldwide network of grading labs.

As GIA is not based in the UK or have any labs here, going for a GIA certified stone will cost you a premium price.

GIA was responsible for developing the first internationally accepted Diamond Grading System with unbiased opinions of the quality of polished diamonds by applying uniform criteria to their grading.

HOGE RAAD VOOR DIAMANTE (HRD)

Founded in 1976, based in Belgium another reputed laboratory in the world, it was established as a partnership between the Belgian government and representative of the diamond industry.

INTERNATIONAL GEMOLOGICAL INSTITUTE (IGI)

One of the leading gemological institutions in the world, the IGI was established in 1975 in Antwerp, with a sister laboratory in New York.

For LAB grown diamonds IGI is the best known certificate provider and become very famous.