The Rapaport Price List, informally known as the Rap List or Rap Sheet, is the

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standard for the pricing of diamonds.

History

The first Rapaport Price List was produced by Martin Rapaport, the Rapaport Diamonds Group founder, in 1978.

How it works

The report is updated every week on Thursday, at 11:59pm EST. The Rapaport Price List is

copyright A copyright is a type of intellectual property that gives its owner the exclusive right to copy, distribute, adapt, display, and perform a creative work, usually for a limited time. The creative work may be in a literary, artistic, educatio ...

ed and available only to subscribers. Jewelers and diamond merchants use it to set prices for consumers. Consumers should therefore use the report with caution. These prices are used as the basis for standardization and negotiation of diamond prices around the world. Many of the agreed upon prices in diamond trade are come to from discounts based on the Rapaport Price List.

What is the report based on?

The report is issued in the form of a table and prices diamonds based on their

size Size in general is the magnitude or dimensions of a thing. More specifically, ''geometrical size'' (or ''spatial size'') can refer to linear dimensions ( length, width, height, diameter, perimeter), area, or volume. Size can also be m ...

color Color (American English) or colour (British English) is the visual perceptual property deriving from the spectrum of light interacting with the photoreceptor cells of the eyes. Color categories and physical specifications of color are assoc ...

and

clarity Clarity may refer to: Arts, entertainment, and media Fictional entities * Clarity, a magic spell in the online game ''EverQuest'' * Clarity, a fictional drug from the film '' Minority Report'' Music Albums * ''Clarity'' (Jimmy Eat World album) ...

. The report provides prices for individual diamonds and not diamonds sold in bulk.

How to read the report

Each price list has four separate grids each one containing information for a different carat size for diamonds. Each grid has the clarity options on the horizontal line and the color options on the vertical line. In order to calculate the price of a diamond according to the Rapaport Price List, you need to know the size, color and clarity of the diamond. The price listed based on this information is in hundreds of dollars per carat.

References

External links