At IGJTL Labs, we guarantee to deliver the finest Gemstone and Diamond testing services, with certification.
An international Gem Jewellery Testing Lab is a laboratory that specializes in testing and analyzing gemstones and jewelry to ensure their quality and authenticity. These labs use advanced equipment and techniques to examine the physical, chemical, and optical properties of gemstones and jewelry, including diamonds, rubies, emeralds, and sapphires.
The main goal of an international Gem Jewellery Testing Lab is to provide reliable and accurate information about the characteristics of gemstones and jewelry, including their origin, treatment, and value. They do this by conducting a range of tests, including visual inspection, weight measurement, and spectroscopic analysis.
Blue Sapphire is a precious gemstone that is admired for its stunning blue color & hardness. It is a variety of the mineral corundum, and its blue color is due to the presence of trace amounts of iron and titanium in the crystal structure.
Red Ruby is a gemstone known for its rich color and remarkable properties. It is a variety of the mineral corundum, which is also the mineral that forms sapphires. The red color of the Red Ruby is caused by the presence of chromium in the mineral’s composition.
Green Emerald is a precious gemstone that is highly valued for its beauty and rarity. The color of emeralds is caused by the presence of chromium & vanadium in the crystal structure, which gives it a rich green hue.




IGJTL Labs is a dedicated laboratory committed to continuously improving the gems and jewelry industry by providing exceptional services. The laboratory was founded with the goal of safeguarding the trust of consumers and traders in the gemstone industry.
International Gem Jewellery Testing Lab (IGJTL) is a reputed and reliable gemstone and jewelry testing laboratory that provides expert services to customers around the world. Choosing IGJTL can provide many benefits to customers who want to ensure the quality and authenticity of their precious gems and jewelry.
Our team consists of certified professionals who have extensive experience working in the field.
Our results are highly precise when it comes to stone information, including details, color, weight, and image.
Our loyal customers have provided us with fantastic feedback in a brief amount of time.
We ensure that our laboratory equipment is of top-notch quality, designed to deliver high accuracy and reliability.

Gemstones are one of the most fascinating creations of nature. From their stunning colors to their unique properties, gemstones have always been admired and coveted by people across the world. However, not all gemstones are created equal, and it can be difficult to determine their quality and authenticity just by looking at them. This is where Gemstone Lab certificates come in.