RAPLAB® Services

RAPLAB® offers our clients the expertise, convenience and technological sophistication of our Rapaport diamond grading laboratory. Our gemological laboratory efficiently and securely evaluates the quality of your diamonds using the latest technology, with online access to report results and High Definition imaging.

Rapaport Investment
Diamond Certificate

RapNet Diamond
Grading Report

Verification Services

Image Services

The Rapaport Investment Diamond Certificate (RDC™) conservatively grades diamonds based on Gemological Institute of America (GIA®) standards. Additional gemological information including tint, location and color of inclusions as well as high resolution images are provided online
and with the report.
Rapaport Investment Diamond Certificate (RDC™) is the industry’s most stringent standard for diamond quality. Obtained only by highest quality diamonds, the Rapaport investment diamond certificate separates premium quality from other high quality diamonds. By certifying top quality diamonds the Investment Diamond Certificate provides absolute confidence and assurance of quality and added value.

All Investment Diamond are double tested as they include an additional independent GIA® diamond grading report. The Investment Diamond Certificate will only be issued for the best quality 0.50 ct. and larger, D-H, IF-VS2, excellent cut, polish and symmetry, that meet investment quality standards. Diamonds that lack overall brilliance, have features that limit trade liquidity or have borderline grades may not be issued an Investment Diamond Certificate.

The Rapaport Investment Diamond Certificate is designed to identify the best diamonds in the market while providing the trade, investors and consumers with the highest level of confidence in quality.

Basic Requirements for obtaining a Rapaport Investment Diamond Certificate:
  • Shape: Round Brilliant
  • Size: 0.50 carat and larger
  • Color: D-H
  • Clarity: IF-VS2
  • GIA: A GIA grading report issued within the past two years
  • The diamond must also meet Rapaport Specifications A2 or better.
Obtaining an Investment Diamond Certificate guarantees the diamond’s quality and provides confidence for both buyer and seller, thus paving the way for online diamond transactions. Removing the physical barriers of diamond trading increases ease of sale and enables faster, safer and easier transactions, thus enlarging the overall market.

In addition, Rapaport certified diamonds maintain their market value, making them ideal for investors, looking for portfolio diversification.
View RDC™ RapSpecs View sample certificate (print) View sample certificate (online) Contact us for more information