IGI is a leading international diamond certification laboratory. Their diamond certification is recognized by many of the world’s leading jewelers and diamond retailers. IGI also offers a range of other services, including diamond grading, jewelry appraisals, and gemstone identification.

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As far as accuracy and professionalism are concerned, IGI is one of the leading diamond certification laboratories. It is important to purchase diamonds with legitimate certification. This way, you’ll rest assured that the diamond is the quality the seller claims it to be.

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IGI is the largest organization of its kind, operating 29 laboratory locations around the world grading finished jewelry, natural diamonds, lab-grown diamonds and gemstones.