The largest international laboratory for certification of coloured gemstones and diamonds is IGI. It is governed by a solitary central authority that follows a single, widely accepted grading scheme. IGI certifies the widest range of jewellery and gemstones in more regions of the world than any other body.
IGI is the industry leader for jewellery certification because of their unmatched experience and global reach. Although IGI is best known for grading diamonds and colourful gemstones, it is also trusted with assessing pearls, rare carvings, expensive jewellery, and all contemporary synthetics and simulants.
IGI certified gemstone rings and other jewels are easily trusted by the public. Due to their commitment to the task at hand, this enormous trust has been developed through time.
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