Proper noun
The Rapaport Diamond Report, the diamond industry standard for the pricing of diamonds.
Usage- attributive
- Slang
- Examples
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He makes good sense. However, I must comment on "CSO prices rough diamonds to its sightholders based on the Rap List." It does not. It doesn't use the list.
More examples (1)
Soon after the Diamond Certificate came into being, Mr Martin Rapaport edited and published a regular weekly paper based on these official certificates. […] The Rap price is usually way off sometimes by as much as 30% or more.