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A hallmark of the
world's best diamonds

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Verify RapLab Certificate

RAPLAB® Services

The Rapaport Investment Diamond Certificate is provided for top quality diamonds that meet strict Rapaport diamond grading standards. All diamonds are double tested, include a GIA® diamond grading report and meet Rapaport A1 specifications.
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The RapNet® Diamond Grading Report (DGR) provides a broad range of gemological information that enable buyers and sellers to trade diamonds over the Internet. Diamonds are graded to GIA® standards with additional gemological information.
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Verification
Services
RapLab® authenticates natural diamonds by testing for synthetics and treatments. It also confirms that specific natural untreated diamonds match the GIA® reports issued for them.
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Image
Services
RapLab® provides fine quality images of diamonds suitable for Internet communication. High definition magnification of select areas of the diamond enables buyers to examine diamonds online. See details for sample magnification.
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Submit Your Diamonds

RapLab® clients can submit diamonds for grading via Rapaport Offices in New York, Ramat Gan, Antwerp, Mumbai, Surat and Hong Kong.

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Education

RapLab® grades diamonds based on Gemological Institute of America (GIA®) standards, the GIA® 4C's terminology and additional gemological criteria.

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