Special Cut Diamond Shapes

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RCDC Original Radiant Cut Diamond

RCDC sets the standard for evaluating and measuring radiant cut diamonds. The Radiant Cut Diamond combines the classic elegance of the traditional emerald cut shape with the sparkle of the "brilliant" cut. Until the Radiant Cut was developed and patented in 1977 by Henry Grossbard, RCDC's founder, people attracted to the elegance of the emerald cut shape had to compromise on brilliance. The Radiant Cut allows people to choose an exquisitely shaped rectangular diamond without any compromise. The Original Radiant Cut Diamond Certificate provides the hard data that ensures that each Original Radiant Cut Diamond is cut to the highest standards in the industry.

Reed’s Radiant Diamond

A diamond perfected in its cut and polish by Russian master craftsmen. Each of the Reed’s Radiant Diamonds has a unique identification number and the Kristall logo laser-inscribed on the girdle of the diamond for positive identification. Diamond Grading and Light Analysis reports.


The Regent Cut diamond shape was born at the Atlass Group in Antwerp, Belgium. A joint venture with Horowitz & Atlass, New York City brings the Regent Cut™ to the U.S. market. The 66-facet Regent Cut™ is based in part on the Regent Diamond, part of the French Crown Jewels that history texts have long declared the world's most perfectly cut diamond. There are 41 facets on the crown and 25 facets on the pavilion of the Regent Cut™. The Regent has been superceded by the "Queen of Hearts" and now The Jubilee Diamond as being the best of all modified square diamond shapes (all produced by Horowitz & Atlass).

Regent Cut

The Regent Cut is designed to give the brilliance of a round in a square shape‚ while offering perfect symmetry. It is named after the Regent diamond‚ which was part of the French Crown jewels. It is the only square shape made to hearts and arrows standards.

Remy Martin Cognac Diamond

Promotions linked to natural fancy colors are innovative to say the least. Star Diamonds (Belgium) launched a “diamond cognac” campaign with Remy Martin that featured a mini-decanter of their renowned Louis XIII cognac with a stopper set with diamonds that could be transformed into a pendant. This was sold for 1,000 euros in restaurants worldwide. [The Fleur de Diamant is a “Louis XIII de Remy Martin” Grande Champagne cognac miniature. Made from Baccarat crystal, it is presented in a limited edition numbered box, reminiscent of a jewel in its case. Its “Fleur de Lys” stopper is studded with five diamonds weighing in at 0.4 - 0.5 carats. These precious drops of a radiant amber and the crystal stopper can be removed from the carafe to become a delightfully original pendant necklace.] The Remy Martin Louis XIII Diamond Collection is sold across the USA. Louis XIII is the drink with which Winston Churchill toasted victory in 1951, the same Cognac served to Queen Elizabeth II on her 1957 visit to France. The Precious Regular Decanter crowned with a Diamond: The Louis XIII de Remy Martin regular size Edition Precieuse decanter is offered with the single unique contemporary crystal stopper created especially by the Baccarat designers for the Collection Cognac-Diamant presented in its own personal crystal clear case. Set in the crystal stopper, reflecting the unique amber color of the Louis XIII de Remy Martin Grande Champagne Cognac, is the Cognac-Diamant – a hand cut natural fancy cognac diamond.

Rising Star Cut

The Rising Star was granted a design patent with the U.S. Patent Office in 1992 based on the new technique of achieving its cut; subsequent patents were registered in all diamond polishing countries.. It was the first patented special cut to fully resemble a 5 pointed star. This is a full-depth stone with 56 brilliant facets (a round diamond has 57). The patented cut is sold by millimeter size rather than by carat weight. The diameter is identical to that of a round diamond but weighs less owing to loss in the polishing process. The diamond is usually cut from octahedral rough which is used for cutting round stones.

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