About INGTL

International Natural Gems Testing Lab (INGTL) is a registered trademark and certified nonprofit organization committed to research and advancement in the field of gemology.

INGTL certificates provide detailed and transparent information about each item they accompany, ensuring trust and confidence for both buyers and sellers.

Based in Jaipur, INGTL has emerged as India’s leading authority in gemstone certification. It operates as a service-oriented laboratory, offering affordable testing services to the public, traders, wholesalers, and retailers.

With the growing gemstone market, the influx of synthetic and treated stones has increased. In response, advanced analytical techniques have replaced traditional methods for more accurate gem identification. As global awareness of synthetic and simulant stones grows, the demand for authentic certification has become essential.

INGTL specializes in the identification and certification of all types of stones, including colored gemstones—both loose and set in jewelry, as well as rough stones. To date, the lab has certified thousands of gemstones, earning a strong reputation for reliability.

In today’s market, gemstone certification is crucial, given the rise in synthetic and treated materials.

Key Features of Certification::-
» Identification of Species and Varieties of gemstones
» Distinction between Natural and Synthetic stones
» Detection of Treatments and Enhancements
» Certification of Gemstone Packets and Lots