GIA (Gemological Institute of America)

Established in 1931, GIA is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge,
standards, and education in gems and jewelry.

International Gemological Institute

IGI grades the widest variety of gemstones and jewelry in more corners of the world than any other gemological organization.,

As the global leader for jewelry assessment our experience and reach are unrivaled. Renowned for diamonds and colored gemstones, we are equally trusted with the grading of pearls, exotic carvings, fine jewelry pieces and modern synthetics and simulants.

AIGS (Asian Institute of Gemological Sciences)

The first professional gemological school in South East Asia Asian Institute of Gemological Sciences, The Asian Institute of Gemological Sciences was founded in 1978
as South East Asia’s first international gemological education facility. The school was founded in order to provide professional training for those who were looking to expand their opportunities within the gem and jewelry industry,
as well as increase the general public's knowledge and appreciation of gemstones.

Indian Gemological Institute

The Indian Gemmological Institute – Gem Testing Laboratory (IGI-GTL), Delhi is a project of The Gem & Jewellery Export Promotion Council (GJEPC;
sponsored by The Ministry of Commerce & Industry, Govt. of India). Since its inception in 1978, in over a period of 40 years,
IGI-GTL, Delhi is rendering its unbiased gemmological testing services to general public and gem & jewellery industry.

GRS (Gem Research Swisslab)

GRS Aims for Excellence in Research Since its founding in 1996 by Dr. Adolf Peretti GRS Laboratories has played a key role in treatment detection for decades.
All GRS laboratories are fully equipped with state-of-the-art advanced analytical instruments.

Gubelin

Gubelin (est. 1854) began when a young man opened up a watch shop in Lucerne, Switzerland. However, it wasn’t until the 1920s when they opened up a gem www laboratory to test the jewels they put in the watches. Gemmology, or the study of precious gemstones, is perhaps more closely linked to the House of Gübelin than to any other luxury house in the world.

Gemological Research Station

GRS Gem Testing Lab is a Jaipur based Indian Gem Testing Lab Company. Gemstones Certification, Jewellery Certification. GRS Gem Testing Lab provides independent and expert facilities for identification and certification of coloured gemstones and its origin, treatments on Gemstones,
identification of Synthetic and treated Diamonds and grading of diamonds and diamond studded jewellery to a wide clientele in the domestic and international markets, which includes dealers, jewellers, auction houses and custom departments, and connoisseurs looking for good quality gemstones, diamonds.

Gemtrue

Gemtrue jaipur is one of the leading gemmological laboratory that provides Gemstone report, Diamond Jewellery report services of Gemstone & Diamond to the Gems and Jewellery Industry. Gemtrue Jaipur,
inhibits latest global technology and methodology to provide top of the line service to the Gems and Jewellery Industry. Combining innovation, new technology and values such as integrity and commitment, we have built gemmological laboratories equipped to meet the ever so evolving challenges of the industry.

IGITL Jaipur

(IGITL) International gemological Institute and Testing laboratory is an ISO (9001-2000) Certified Laboratory. We are providing Services for Gemstone Identification, Gemstone Treatment Identification, Gemstone Origin Identification, Diamond Grading and Diamond Grading for Jewellery Items.

In all our services we are maintaining the international standards.