Who can submit diamonds for certification at Rapaport?

Submission of diamonds can be carried out only by the diamonds current owner.

How do you submit a diamond for inspection?

Please fill our Client Agreement and Submission Form and send them together with the diamonds to one of our regional offices.

Where are RapLab’s regional offices?

Please find the list Here

What is the Rapaport Investment Diamond Certificate (RDC™)?

The Rapaport Investment Diamond Certificate guarantees the quality of the diamond. It is only granted for premium diamonds that meet stringent Rapaport gemological and investment grade standards. It ensures the diamond is of the finest quality and has enhanced market liquidity. All Rapaport Investment Grade Diamond are double tested, as they include an additional independent GIA diamond grading report. The The Investment Diamond Certificate will only be issued for stones that meet Rapaport’s strict specifications as the best quality.

What is the difference between a Grading Report and an Investment Diamond Certificate?

A Grading Report is an opinion about the diamond based on internationally recognized parameters. A Rapaport investment Diamond Certificate is a guarantee that the stone is within investment grade standards.

What are the minimal submission requirements for an Investment Diamond Certificate?

The stone needs to have the following specifications:
  • Shape: Round Brilliant
  • Size: 0.50 carat and larger
  • Color: D-H
  • Clarity: IF-VS2
  • Meets RapSpec Specifications
  • An accompanying GIA grading report issued within the past two years

Does Rapaport issue Investment Diamond certificates for stones graded by labs other than GIA?

Currently, only for GIA graded stones will be issued an Investment Diamond Certificate.

Why should one get an Investment Diamond Certificate for investment grade diamonds?

The Rapaport Investment Diamond certificate, guarantees the quality of the diamonds with absolute confidence, making it easy and safe to trade online without having to examine them physically. Buyers from around the world can buy investment grade diamonds easily and instantly directly from suppliers or trade them on Rapaport trading platforms.

The Rapaport Investment Diamond Certificate adds value to the finest diamonds by differentiating and branding them as the best.

How long will it take to certify a diamond?

The certification process will take approximately 3 to 6 business days.

Is the Investment Diamond Certificate for Fancy shapes and Fancy colored Diamonds?

Currently the Investment Diamond Certificate is issued only for triple EX, Round Brilliant Shaped diamonds only.

Where can one sell the diamonds with Investment Diamond Certificates – is it for B2B or B2C?

The Investment Diamond Certificate is relevant for all markets, and provides the trade, investors and consumers with the highest level of confidence in quality of the diamond. Investment diamonds trade on RapNet and also within the industry around the world.

Is there a small certificate like DD for smaller sized Diamonds?

There is only one unique type of Rapaport certificate for Investment grade diamonds.

What is the rejection fee of a stone that is submitted for certification but didn’t qualify?

There is no charge for diamonds submitted unless they receive the certification.

Where can I purchase Rapaport certified investment diamonds?

Certified diamonds can be purchased around the world, from high end diamond dealers. Please contact us for a list of dealers.

How can I contact you for further questions I might have?

We’re happy to answer any additional questions you may have or provide any further information. Please conatct us through the contact us page.