GIA certified diamonds

GIA diamond is a term you’ll find when engagement ring shopping – short for a diamond graded by GIA, the creator of the 4Cs and the independent, diamond authority. It is an independent, nonprofit organization that conducts gem research, educates gem professionals and sets the standards for determining diamond quality.

HRD certificate

Founded in 1973 as Hoge Raad voor Diamant, HRD issues certificates for diamonds and gemstones primarily in Europe. HRD is headquartered in Antwerp, Belgium and its chief shareholder is the Antwerp World Diamond Centre (AWDC). … HRD graded diamonds are usually priced much higher than equivalent diamonds graded by the GIA.

IGI International Gemological Institute

International Gemological Institute (IGI) is the World’s largest Independent Laboratory for testing and Grading Gemstones and Fine Jewelry, renowned for its online Verify Your Report service is available for IGI grading reports issued after June 2004.

Verify Your Report permits quick and convenient confirmation that the information on your report matches what we have recorded in the IGI database.

Please note that the Verify Your Report service is intended for verification purposes. It is neither a warranty or an actual grading report. IGI cannot be held responsible for any data discrepancies.

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