Gemological Science International (GSI) is a leading gem lab with a strong focus on innovation and integrity. Their state-of-the-art laboratory utilizes modern technology to provide a wide range of services, from basic diamond grading to advanced testing and examination, all backed by a commitment to the highest ethical standards.
GSI is dedicated to promoting education within the diamond and jewelry industry, offering a comprehensive Knowledge Center for both trade professionals and consumers. Their research department is at the forefront of identifying treatments of diamonds and gemstones, sharing findings with the industry to ensure transparency and quality in every aspect of their work.
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