Gem Labs Certification | IGI, GIA & GRS Certified Gemstones

Trusted Gem Labs Certification for Natural Gemstones & Diamonds

Why Lab Certification is Important When Buying Gemstones?

A gem certificate is important because it verifies the quality and value of a gemstone, and protects buyers from being deceived

Gem Certifications from the Best Labs

International Gemological Institute

Largest organization of its kind
Identification Reports
www.igi.org

IGI is the largest international laboratory for diamond and colored gemstone certification. It is the only international certification lab which is controlled by single central governing body that sticks to one internationally acknowledged system for diamond and colored gemstone grading. Apart from the standard 4 C’s which stands for Color, Clarity, Cut and Carat Weight. IGI certificates adds another “C”: Confidence which every consumer should have while buying diamonds, or colored gemstones.

We, at GemsGurudev take immense pride in having a vast catalog of IGI certified gemstones to boost your confidence while you make a purchase.

Gemological Institute Of America

First scientific system of diamond cutting.
Transparent business conduct
www.gia.edu

The Gemmological Institute of America (GIA) is a non-profit institute dedicated to research and education in the field of gemmology and jewellery arts. Founded in 1931, GIA’s mission is to protect all buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality. The institute does so through research, gem identification and diamond grading services and a variety of educational programs.
In the 1940s, GIA established the “4 Cs” (Cut, Carat, Clarity and Colour) and the International Diamond Grading System™. GIA has been serving the Indian gem and jewellery industry since 2004 when it first opened its Mumbai campus, and four years later, a State-of-the-Art grading laboratory in the same location.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

GRS GemResearch Swisslab

Private independent gemological research laboratory
Internationally recognized laboratory reports
Founded in 1996
www.gemresearch.ch

Gem Research SwissLab – GRS, is a private independent gemmological research laboratory, founded in 1996 by Dr Adolf Peretti. GRS research has focused principally on the identification and characterization of high-quality gemstones from newly discovered mines, as well as determination of origin for gems derived from classic mining regions. The area of research also focuses on the identification of gemstone imitations, synthetics and gemmologists. Their final area of expertise specializes in colour grading and gemstone colour branding.
Their research laboratories located in key global sites are equipped with the latest most sophisticated technology to recognize and identify today’s advanced gemstone treatments. In addition to this, they have a group of dynamic, internationally recognized university professors, scientists and gemmologists.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

Indian Institute Of Gems & Jewellery (IIGJ)

Transparent business conduct
Identification Reports
Founded in 1986
www.igj.org

An initiative of GJEPC, the Indian Institute of Gems & Jewellery (IIGJ) was created to promote sustainable growth in the Indian gem and jewellery sector. It is the best facility in the nation for certifying colored jewelry, diamonds, and gemstones. The organization provides gemological services to customers all around the world through a globally standardized infrastructure. It has various spectrometers, automated diamond screening devices, and cutting-edge equipment. These devices increase the accuracy of their findings by detecting elements at incredibly low quantities.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

Asian Institute of Gemological Sciences (AIGS)

Transparent business conduct
Identification Reports
www.aigsthailand.com

In 1978, the Asian Institute of Gemological Sciences, or AIGS, was established. It gained recognition as one of the first worldwide gemological institutes in Asia to offer expert and thorough reports on jewelry and gemstones. To examine colored stones and diamonds, including melee, the lab is outfitted with the most recent and sophisticated equipment. AIGS, the center of excellence for knowledge on gemstone mining, processing, identification, grading, and precise pricing, is situated in the center of Bangkok.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

Indian Gemological Institute

Transparent business conduct
Identification Reports
www.igi-gtl.org

The Indian Gemmological Institute (IGI-GTL-GJEPC), which was founded in 1978, is renowned for providing the public and the gem and jewelry industry with impartial gem-related testing and research, as well as for advising government agencies and gemmology schools on research and development through articles and public writings. Every report published by IGI-GTL is the result of careful professional analysis and is submitted for testing in accordance with the scientific tests carried out using gemmological equipment. IGI-GTL places a high value on quality, which is why they regularly update their lab with new technology.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

Gemtrue Lab Certificaton

Transparent business conduct
Identification Reports
www.gemtrue.in

Gemtrue is a well-known gemological laboratory Based in Jaipur, that offers comprehensive report services for gemstones and diamonds, confirming their authenticity, purity, and attributes. The accompanying lab certificate acts as an official document verifying the gemstone’s identity and characteristics, including its carat, cut, clarity, weight, dimension, origin, and any possible enhancements or treatments. With the use of state-of-the-art equipment and careful analysis of every stone, the Gemtrue Lab Certificate is generally regarded as a reliable source of information that guarantees gemstone buyers a top-rated rating.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

Indian Gemological Lab (IGL)

Transparent business conduct
Advanced technology
www.igljaipur.in

Indian Gemological Lab (IGL), Jaipur is a reputed and trusted gemological laboratory known for providing accurate and reliable certification services for gemstones and diamonds. Each gemstone tested by IGL undergoes detailed examination using advanced gemological instruments and scientific analysis to verify its authenticity, quality, and natural characteristics. The official IGL certificate serves as a reliable document that confirms important gemstone details such as carat weight, color, clarity, cut, dimensions, origin, and any treatments or enhancements if present. Recognized for its professional standards and expertise in gemstone identification, IGL certification offers buyers confidence and transparency when purchasing precious stones.

“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

International Gemological Laboratories

Established in 1975
Advanced technology
www.igl-labs.com

IGL – International Gemological Laboratories, established in 1975, is one of the respected international gemological laboratory networks with a presence in major diamond and jewelry trading centers around the world. Known for its strict grading standards and advanced gemological technology, IGL provides professional certification services for diamonds, precious gemstones, and fine jewelry, ensuring accuracy, transparency, and global credibility.
Every gemstone or diamond examined by IGL undergoes a detailed scientific analysis performed by experienced gemologists using state-of-the-art equipment. The IGL Certificate serves as an official authentication document, providing complete information about the stone including carat weight, cut, color, clarity, dimensions, origin (where applicable), and any possible treatments or enhancements. With advanced security features such as unique report numbers, holograms, QR codes, and online verification, IGL certification ensures the highest level of trust and authenticity in the global gemstone and jewelry market.
“Made by nature design for you at GemsGurudev take immense pride in having a vast catalogue of certified gemstones with reputed labs”

IGITL – International gemological Institute & Testing Laboratory

IGITL Examinations Using Modern Instruments
ISO Certified independent gemological laboratory
www.igl-labs.com

IGITL – International Gemological Institute & Testing Laboratory is an ISO Certified independent gemological laboratory dedicated to providing reliable identification and grading services for diamonds, gemstones, pearls, and fine jewelry. Known for its professional standards and scientific approach, IGITL performs detailed examinations using modern gemological instruments to determine a stone’s authenticity, natural origin, and possible treatments.

IGITL provides a range of professional reports including Origin Reports, Treatment Identification Reports, Diamond Grading Reports, and Pearl Identification Reports, ensuring complete transparency and confidence for gemstone buyers. Each certificate includes precise gemological details such as carat weight, color, clarity, cut, dimensions, and treatment disclosure, making it a trusted reference for jewelers, traders, and collectors.

With a highly qualified team of experienced gemologists led by Mr. Mustaqeem Khan, one of India’s respected experts in gemology, IGITL maintains strict adherence to international gemological standards and ISO quality practices. The laboratory is committed to accuracy, impartial analysis, and timely certification services.

“At GemsGurudev, we proudly present a premium collection of natural gemstones and certified diamonds accompanied by trusted laboratory reports from reputed institutions like IGITL, ensuring authenticity, superior quality, and complete confidence for every customer”

American International GemLab (AIG)

AIG – Identification & Enhancement Reports
Alexandrite Color-Change Percentage Testing Lab
www.aigllabs.com

American International GemLab (AIG) is an independent gemstone testing laboratory with facilities in Delaware, USA and Thailand, specializing in professional analysis of diamonds, colored gemstones, and jewelry. The laboratory provides detailed gemological reports such as Diamond Grading Reports, Colored Stone Identification Reports, Jewelry Certificates, Enhancement Identification, and Country-of-Origin Reports.

Using modern gemological instruments and advanced analytical techniques, AIG’s qualified gemologists carefully examine each stone to determine its authenticity, natural origin, and possible treatments. As an independent certification body, AIG does not participate in gemstone trading, ensuring unbiased and reliable evaluations.

Each AIG certificate includes a unique report number that can be verified online, offering transparency and confidence to gemstone buyers and jewelry professionals worldwide.

“At GemsGurudev, we offer natural gemstones and diamonds that may be accompanied by trusted certifications from reputed laboratories such as AIG, ensuring authenticity and quality for every purchase.”