Diamond Certification

Because purchasing a diamond can be a substantial investment, you will want to make sure that its value is fair and that your investment is guaranteed protection. A certificate issued by an established gemological laboratory ensures that your diamond has been graded and appraised strictly in line with industry standards. For this reason, all of our diamonds come with certificates which are issued by trustworthy institutes such as the GIA, AGS, IGI and EGL USA, representing faithfully the stones’ quality and value.

A Diamond Certificate is an independent quality report on a specific diamond. It is issued by a diamond grading laboratory with no affiliation to any retail outlet, giving the consumer a completely objective opinion on the diamond’s quality. The certificate includes the exact measurements, proportions, colour grade, clarity grade, cut grade and carat weight of the diamond. It also includes specifics that most jewellers do not have the equipment or the knowledge to determine, such as the diamond’s fluorescence, polish, and symmetry. Each certificate is numbered, dated, and illustrates the internal and external characteristics of the diamond.

As the direct diamond wholesaler, our pure diamonds come with certifications from the world’s leading laboratories:

GIA (The Gemological Institute of America) – Established in 1931 and is recognized as the world’s foremost authority in diamond grading. GIA applies a stricter grading standard than other laboratories. GIA commands a higher price when compared to EGL USA, or other laboratories with the same grading results, due to the different standards.

AGS (American Gem Society) – founded in 1996 by an elite group of jewellers bound by a mission to create a stricter, more modern diamond grading system. They provide fast, consistent and accurate grading reports focused on consumer protection and satisfaction. Driven by a goal to provide premium education for jewelry professionals and consumers, the society offers courses to all segments of the diamond industry. Its conservative and unbiased approach to diamond grading has made the AGS one of the world’s most respected gemological laboratories. Consequently, an AGS certificate guarantees an accurate analysis and evaluation of a diamond.

IGI (International Gemological Institute) – Established in 1975, the International Gemological Institute is the largest independent gemological laboratory in the world, with locations in all major diamond centers. IGI’s mission is to provide jewelry professionals and consumers with extensive education programs and reliable diamond and fine jewelry certification. An IGI certificate is comprised of a detailed analysis of a diamond’s characteristics by several expert gemologists.

The primary difference between the above laboratories is their grading standards; in general, GIA is stricter than any other lab. Therefore if different labs were to grade the exact same diamond, they could give that diamond different grades. There are also other labs that certify diamonds and their grading standards may vary, as well as their grading language.

Pure Diamond proudly does not offer diamonds certified by the EGL International group of companies.

Please note, Pure Diamond does not recommend purchasing diamonds with EGL International certification, as the quality stated on their diamond reports is extremely misrepresented. We do not sell diamonds certified by this company and suggest our valued customers to always refrain from purchasing diamonds with the certificates from EGL International unless the same stone has a second certificate, preferably the GIA, IGI or the AGS and 4Cs quality results are comparable.


PUREDIAMOND.CA offers complimentary shipping on all jewelry shipped in the CANADA or the U.S. via FedEx® Priority Overnight.

You'll take comfort in knowing precisely what day your order will arrive. If you wish, you can also follow every step it takes along the way with detailed order tracking.

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30 Day Return Policy

The purchase of a diamond can be one of the most difficult decisions you'll ever have to make. That's why purediamond.ca gives you 30 days to return your diamond for a full refund or exchange without charging a restocking fee. No questions asked! If for any reason you want to return your diamond, you've got thirty full days to decide. This 30-day return policy is for the center diamond only, not side stones, three-stone rings or mountings. The center diamond must be in excellent condition, free from breakage and chipping, and be accompanied by certification documents.

If certification documents are lost or you are not able to provide them, $200 will be deducted from your return amount to cover recertification of the diamond. *In order to give our customers the best pricing, we do not allow comparison purchasing. Comparison purchasing is the act of ordering two or more of the same, or similar item, and then only keeping one of them. If you are unsure, or have detailed questions about a particular item, please call one of our customer service representatives for expert help. *Our 30-day return policy applies to purchases up to $29,000

Schedule an appointment

Please feel free to call 1 (855) 736-2591 or 604-563-9875.

A Pure Diamond specialist will be happy to answer any questions you may have.

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