# International Gem Testing Laboratory & Research Center

> Results You Can Trust


## Pages

- [Privacy Policy](https://igtlrc.org/privacy-policy/): International Gemstone Testing Laboratory & Research Center (IGTLRC) will not share your information with anyone, except as necessary to complete your purchase or as required by law (such as law-enforcement agents, in the case of fraud).
- [Diamond 4C's](https://igtlrc.org/diamond-4c/): Carat is the term used to describe the weight of any gemstone, including diamonds.
- [Diamond](https://igtlrc.org/diamond/): Colourless (white); pale yellow, pale brown, pale green or grey.
- [Coral](https://igtlrc.org/coral/): There are two main kinds of gem coral: percious coral which is typically red, pink orange or white, and black and golden coral.
- [Emerald Gemstone](https://igtlrc.org/emerald-gemstone/): The Green colour of emerald is caused by traces of chromium (Cr), although vanadium (V) may also be present in some stones.
- [Opal](https://igtlrc.org/opal/): Precious Opal -- Opal with play-of-colour on a pale (white opal) or dark (black opal) background.
- [Garnet](https://igtlrc.org/garnet/): Gem garnets occur in various colours including red, orange yellow and green.
- [Pearl](https://igtlrc.org/pearl/): Colour-body colours of pearl can be broadly classified as white, golden, grey, brown(Chocolate) and black.
- [Fancy Colored Sapphires](https://igtlrc.org/fancy-colored-sapphires/): All colours of corundum excepts for red and blue are called fancy-coloured sapphires.
- [Sapphire](https://igtlrc.org/sapphire/): Corundum occurs in all colours. Sapphire is the name given to all colours of corundum other than red. When used on its own, the name implies blue sapphire.
- [Cat's Eye](https://igtlrc.org/cats-eye/): This pale yellow, honey-coloured or green/brown translucent to transparent variety showing good chatoyancy was at one time called cymophane.
- [Ruby](https://igtlrc.org/ruby/): This red variety of corundum occurs as bright red, purplish or brownish- red and deep pinkish- red colors. Ruby is the birthstone for July.
- [Diamond Shapes](https://igtlrc.org/diamond-shapes/): Every diamond has its own story and every lady her own style.
- [Gemstones by Color](https://igtlrc.org/gemstones-by-color/): Many people purchase gems by type - for example, they want to buy a sapphire, a tourmaline or an amethyst.
- [Importance of Certification](https://igtlrc.org/importance-of-certification/): Buying jewellery is almost a religion across the globe and has clearly emerged as an essential lifestyle product.
- [Jewellery Care Tips](https://igtlrc.org/jewellery-care-tips/): Always use make-up, lotions, cosmetics, perfume, hair spray, soap before wearing your jewellery.
- [Prices](https://igtlrc.org/prices/): We are pleased to offer various options for submitting your goods to our laboratories around the world.
- [Report Verification](https://igtlrc.org/report-verification/): IGTLRC online gemstone report verification services are available to check the authenticity of a IGTLRC report. Any party can use this service free of charge.
- [Home](https://igtlrc.org/): GEMSTONE TESTING ACCURACY 100% Steven Triont, G.M.
- [Frequently Asked Questions](https://igtlrc.org/faq/): See frequently asked questions and answers to them. How can I submit stone for testing?
- [Services](https://igtlrc.org/services/): To help stakeholders in government and business make smart decisions.
- [Our Services](https://igtlrc.org/our-services/): Each report issued by IGTLRC Offices are concluded on the basis of thorough expert analysis of stone/jewellery submitted for testing, as per the scientific tests performed with Gemmological equipment.
- [About Us](https://igtlrc.org/about-us/): Founded in 2003, IGTLRC is an internationally recognized diamond, gemstone and jewel testing facility specializing in complehensive analysis of all varieties of presious stones.
- [Contact Us](https://igtlrc.org/contact/): IGTLRC has offices strategically located across Europe, Asia, and North America. We are pleased to get in contact with you.

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