IGI Certified Diamonds

Browse our selection of IGI certified diamonds, all of which have been assessed by experts to strict international standards of diamond grading. IGI, or the International Gemological Institute, is the world’s largest independent gemological laboratory. An IGI diamond report provides a professional assessment of a diamond’s cut, colour, clarity and carat weight.

Established in 1975, the IGI has operating laboratories and offices in all major diamond trade cities, to include Antwerp, New York, Hong Kong, Mumbai, Bangkok, Tokyo, Dubai, Tel Aviv, Toronto, Los Angeles, Kolkota, New Delhi, Thrissur, Jaipur, Surat, Chennai, Antwerp, New York, Hong Kong, Mumbai, Bangkok, Tokyo,Dubai, Tel Aviv, Toronto, Los Angeles, Kolkata and New Delhi. An IGI diamond grading chart includes a plotted diagram of the internal and external characteristics. This independent and unbiased document allows you to buy your diamond in confidence.

For further information on any of our IGI certified diamonds, contact our diamond experts by calling 01335 453 453 or email us at sales@britishdiamondcompany.com.