The comprehensive information contained in the Diamond Report and Colored Stones Reports is used to generate IGI’s Gemological Appraisal Reports, the most reliable and accurate valuation documentation available today. An IGI Colored Stones Report describes a gemstone’s specific variety, shape, cut, carat weight, color quality and transparency factor, country or origin, and whether the stone is natural or synthetic. Independent, unbiased gemologists use state-of-the-art equipment and cutting-edge technology to grade each loose diamond for cut, color, clarity, and carat weight. An IGI Diamond Report provides reliable and accurate data regarding the diamond’s grade, based on an internationally recognized grading system. In addition to the Certificate of Authenticity, IGI generates Diamond Reports and Colored Stones Reports.
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An IGI Certificate of Authenticity states that the stone is in full compliance with the Kimberley Process, the USA Patriot Act, and the US 2003 Clean Diamond Act, and attests that the diamond was responsibly mined and ethically sourced, ensuring that it is “conflict free”.
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In addition to diamond quality, today’s consumers also demand verification that their diamonds are conflict-free. IGI’s consumer-focused grading, identification, and appraisal reports play an integral role in consumer education, ensuring that the quality-conscious consumer is confident with their diamond purchase. Intelligent consumers want to understand the differences between certified diamonds so they can make educated decisions about their fine jewelry and engagement ring purchases.
Today’s certified diamond and gem consumers are far savvier than their predecessors, demanding quality and professional knowledge in addition to beautiful jewelry. With a single governing body and rigid standards of excellence, the Institute provides priceless peace of mind, arming consumers with the knowledge they need to feel confident and secure when purchasing loose diamonds.
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The only ISO 9001:2000 certified international gemological organization, IGI adheres strictly to an internationally accepted system for diamond grading. Founded in Antwerp in 1975 by a staff of three, IGI has grown to include more than 450 professionals, spanning the globe with offices in New York City, Hong Kong, Tokyo, Bangkok, Dubai, Toronto, Los Angeles, Tel Aviv, and Mumbai. The International Gemological Institute (IGI) is the world’s largest independent laboratory for diamond and gem grading, certification, and valuation.