Diamond
  Certification

Buying a diamond is a significant purchase and you should do everything you can to protect that purchase. You should always deal with a certified diamond dealer and ensure the relevant paperwork is made available to you.

A diamond certificate, also known as a diamond grading report, is an easily understood document prepared by an expert gemologist that describes the key characteristics of a diamond. A certificate from a gemological laboratory verifies the quality of a loose diamond and allows non-experts to make educated diamond buying decisions easily and without confusion or danger of misrepresentation.

The report doesn't tell you how much a diamond is worth (that is a ‘valuation’). Instead, it attests to the authenticity of a diamond using an internationally recognised system and provides a reliable and accurate report of its Carat weight, Colour, Clarity, and Cut.

Whenever you’re dealing with diamond jewellers in Sydney or anywhere in the world, ensure that this certification is available, whether you are buying loose retail or wholesale diamonds. This will give you the confidence you need to make a wise investment.

All diamonds sold by Diamond Emporium include detailed diamond certification from the Gemmological Institute of America (GIA), the Diamond High Council of Belgium (HRD) or AGS Laboratories™ (AGS).

If you have any questions about these reports or buying diamonds, please get in touch with us and one of our jewellers can assist.

GIA Diamond Grading Report

This report is issued for all loose, natural diamonds ranging from a D through Z colour grade and weighing 0.15 carats or more. The report identifies the four C’s including colour, clarity, cut and carat. Clarity and proportion are displayed visually within a plotted diagram.

Visit GIA Website
AGSL Diamond Quality Document

This document grades colour, cut and clarity based on a ten-point quality scale. Depth, table, girdle and culet are presented within an easy-to-understand diagram.

Visit AGSL Website
GIA Diamond Dossier

This report is generally issued for diamonds that weigh 0.15 carat to 0.99 Carat. Certification service includes a microscopic laser inscription of the report number along with grading information on numerous characteristics including shape and cutting style, measurement, depth and table, weight, girdle, culet, fluorescence, colour and clarity.

Visit GIA Website
Our Gemmologist tips:

While plenty of other independent labs exist, some are a bit lax in their assessments of diamond quality and do not command the same respect for consistency and quality of grading that GIA, HRD and AGS do. For this reason, if you are in the market for a diamond, always insist on certification and make an effort to buy only GIA, HRD or AGS graded diamonds.

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