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The Rapaport Price List is copyrighted and available only to subscribers. Jewelers and diamond merchants use it to set prices for consumers. Consumers should therefore use the report with caution. [2] These prices are used as the basis for standardization and negotiation of diamond prices around the world.
A weekly diamond price list, the Rapaport Diamond Report is published by Martin Rapaport, CEO of Rapaport Group of New York, for different diamond cuts, clarity and weights. [35] It is considered the de facto retail price baseline. Jewelers often trade diamonds at negotiated discounts off the Rapaport price (e.g., "R −3%").
In contrast to precious metals, there is no universal world price per gram for diamonds. The industry refers to price guides. Rough diamond prices have historically been impacted by the mining companies controlling supply, most notably De Beers. However, after the dismantling of the De Beers cartel in 2001, the industry is now more fragmented ...
Cut: The shape of a diamond — whether round, ... You’ll be prepared to set your diamond budget, browse the competition and ask their price on a diamond with the same or very similar scores.
For instance, a 2.20-carat (440 mg) octahedron may produce (i) either two half-carat (100 mg) diamonds whose combined value may be higher than that of (ii) a 0.80-carat (160 mg) diamond plus a 0.30-carat (60 mg) diamond that could be cut from the same rough diamond. The round brilliant cut and square brilliant cuts are preferred when the ...
This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier ) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.
When discovered in 1905 the 3106.75 carat (621.35 g) Cullinan was the largest rough gem-quality diamond ever found. It was cut into 105 diamonds including the Cullinan I or the Great Star of Africa, 530.2 carats (106.04 g), and the Cullinan II or the Second Star of Africa, 317.4 carats (63.48 g), both of which are now part of the British Crown ...
Martin Rapaport is the chairman of the Rapaport Group and founder of the Rapaport Diamond Report and RapNet, an online diamond trading network. [1] Known for his influential role in the diamond industry, Rapaport has been both a pioneer and a controversial figure, advocating for price transparency, ethical sourcing, and the commoditization of diamonds.
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