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Jewelry certification

GCI gemological laboratories also have the skill and the professionalism needed to grade diamonds and gemstones already mounted in jewelry. This unique professional service is particularly useful to manufacturers and retailers who give extra attentions to excellence in customer service. A GCI certificate for the diamond / gemstone will add value to your jewelry, as well as give your customers peace of mind on quality and value. Identification and grading of finished pieces are also available on request

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