Services

Appraisals

An appraisal involves two primary components. The first is to identify or authenticate the item being appraised and the second is to assign an suitable value to that item.

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Certificates

The Gemological Institute of America (GIA) created the 4 Cs grading system. GIA is known for having the strictest grading standards of the leading labs and is also the most consistent. The GIA certificate is considered the benchmark to which all others are compared.

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GEM Identification

SGL follows a list of testing procedures accepted and approved in GIA studies. One of the biggest challenges for a gemologist is not only obtaining accurate data for a particular gem, but properly analyzing it and learning how to identify gems using this data and the process of elimination.

Learn more about GEM Indentification

Jewelry Inspection

Do you feel the diamond you bought is not the quality you paid for? We will provide professional inspection with supported images while you wait.

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