Paragon (diamond)

A paragon is a perfect diamond — flawless and without inclusions. In the 16th century, a mass of was sufficient to qualify for this designation, but today the threshold lies at .
The largest flawless diamond in the world is known as The Paragon, a D-color gem weighing , and the tenth largest white diamond in the world. The gem was mined in Brazil and attracted attention for being an exceptional white, flawless stone of great size. The Mayfair-based jeweller Graff Diamonds acquired the stone in Antwerp, cut it into an unusual seven-sided kite shield configuration, and set it in a necklace which separates to both necklace and bracelet lengths. Apart from the main stone, this necklace also contains rare pink, blue, and yellow diamonds, making a total mass of . The necklace has associations with the end of the millennium and was worn by model Naomi Campbell at a diamond gala held by De Beers and Versace at Syon House in 1999.