diamond, right? Wrong!
rock is a diamond only when it comes with a certificate stating that it is a diamond.
An uncertified diamond is no more than a mere rock with dust.
untrained and amateur buyer, diamonds are merely colourless reflective stones
that are expensive and come on the top of the ring. However, what these buyers lack is the most crucial knowledge
of purchasing these precious stones: authentication certificates. And if you
don’t know what these documents are in terms of buying diamond jewellery or loose diamonds, then you need to
reconsider your research about shopping for diamonds. And this guide is the
ultimate destination to answer all your questions and doubts about diamond
original requires proof that it is real; diamond certificates do the same for
diamond stones. They are issued by some of the esteemed and renowned diamond
grading agencies, both national and international. Only when a diamond stone is
graded by an agency and comes with the proof of certificate does it become
precious enough to be sold either in jewellery or as loose.
Moreover, diamond certificates carry various
information about these precious rocks along with the source of their
origin (if the diamonds were mined of lab-created). All this helps in
accurately pricing the stones for the consumers. Additionally, you must that
diamond certificates consist of information only about the diamonds; it does
not include any data about the rest of the jewellery sections if the diamond
comes fitted in a necklace, bangle,
earrings, or anything else.
diamond agencies grade and certify diamonds. You don’t need to carry all these
certificates for every diamond stone or jewellery
you purchase. One certificate is sufficient to prove the authenticity of
Gemological Institute of America
Solitaire Gem Labs
Diamond and Gem Laboratories of America
International Gemological Institute
American Gemological Society
European Gemological Laboratory Organization
many more diamond grading agencies that work to bring real diamonds in the
market and help determine their rate. However, the above-listed ones are most
famous, esteemed, and trustworthy in the diamond market.
offers all of its diamond jewellery designs studded with diamonds that are
certified by SGL and IGI labs. You
will receive these certificates along with every diamond jewellery you order
from our website.
trusted and widespread diamond grading agency is GIA. It is an independent
diamond certifying agency located in Carlsbad, California. It has branches in multiple
cities across the world with access to more than 1000 certified diamond
graders, educators, and scientists. The certificate by GIA is most valuable as
the agency is trusted by retailers and consumers to offer rig-free and accurate
information about the stones in their issued documents. Every diamond certified
by GIA goes through a series of tests and is examined by at least four
gemologists. Apart from offering certification, GIA leads as an institute that
carries out extensive research to stay abreast with the changing technologies
in the diamond and gemstone market. Moreover, it is one of the most reliable
and strictest diamond grading systems among all the agencies mentioned here.
It was GIA
that established the 4Cs of diamonds
GIA, SGL grades diamond stones based on several factors and provides
certificates only after it has gone through a series of gem experts who analyse
the rock and prepare the report. SGL delivers its services across many cities
in India, including Bangalore, Mumbai, and Pune. SGL is also an independent lab
that is gradually picking up pace in the diamond grading market. Hence, if you
find a diamond stone with SGL certificate, rest assured that it is real and
diamonds since 1898, DGLA grades diamonds based on the 4Cs. You can read more
what the DGLA certificate contains about the diamond stones in our guide about
them. Their vast experience of working in the diamond field gives them an added
advantage over other diamond grading agencies. However, it remains next or far
lower to GIA certificate. But if a diamond retailer offers you stones with DGLA
certificate, you can be assured of its authenticity.
It is a
non-profit diamond grading organisation that is highly trusted in Europe. IGI
also has a foothold in US regions, but it comes next to all the US-based
agencies. In India as well, IGI is the most trusted and household name in
diamond grading, just after GIA. Besides grading natural diamonds, IGI is famous
for certifying lab-created precious stones as well. However, there are slight
chances of the stone being graded be off by two or three grades, but it is
rare. You can trust IGI diamonds in India as they’re popular in this region
among consumers as well as retailers.
in LA, AGS is yet another popular diamond grading agency that certifies
precious stones and has made a name for itself alongside GIA. Mainly, AGS is
famous for its scientific approach toward grading diamonds, which uses number
ratings rather than alphabets to certify diamonds. The number scale grades
stones from 0 to 10 with former indicating best grade and the latter, the
AGS has a
strong foothold in the US, just after GIA, and even has a prominent presence
across India, China, Hong Kong, and Belgium. The cut grading of AGS is superior
to other agencies and uses a comprehensive ray-tracing technique to measure a diamond’s
One of the
most renowned and oldest European diamond grading agency is EGL. It has
laboratories around the world in multiple major cities. And similar to GIA, EGL
has a strict and vast process of examining and grading diamond stones. It is
famous for certifying diamond stones that weigh less than a carat. However,
there are multiple EGL certifications in the world with different names, such
as EGL Israel and EGL International, which might not be relevant in the European
originally a part of a larger European network of institutions, EGL USA has now
split into an independent agency that strictly covers the North American region.
This North American institution opened in 1977 in New York, and in 1986, it
became independently owned. EGL USA is highly prevalent in the US region.
However, in India, it is better to ignore EGL diamonds and go for GIA or IGI
essence, all the certificates are good and accurate. However, the best choice
would be to pick IGI, SGL, or AGS diamond certificates as they carry more
credibility in India as compared to other certifications. Furthermore, diamonds
which are imported might have certificates that are popular in the region or
nation they came from, which is right as well.
going for one certificate over the other is not wrong. But you need to ensure
that the certificates are credible and useable if you ever decide to resell
your diamond jewellery or stones.
You can also explore below links as per your requirement: