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A 54.21-carat round brilliant cut gem,  said to be the largest fancy vivid yellow round diamond ever graded by the Gemological Institute of America (GIA), has been unveiled by Dubai’s renowned Mouwad company. Called the Mouawad Dragon, the planning, cutting and polishing of the stone reportedly took more than six months to complete.

ABOVE: The 54.21-carat Mouwad Dragon, reportedly the largest vivid  yellow diamond ever graded at the Gemological Institute of America.

While not revealing exactly what from rough diamond the Mouawad Dragon was cut, the company nevertheless said that it had been discovered in ancient alluvial deposits in South Africa. Historically, the area is known to have produced some of the largest yellow diamonds ever discovered.

It joins Mouwad’s 407.48-ct. “Incomparable” diamond, a fancy deep-yellow shield step-cut diamond that, when it was first shown by the by the company in 2013, was said to be the largest internally flawless diamond ever graded by GIA. Set in a necklace that also included 35 round diamonds, 27 pear-shaped diamonds, nine heart-shaped diamonds, five emerald-cut diamonds, five cushion diamonds, four oval diamonds, three Asscher-cut diamonds and two radiant diamonds, with a valuation of $55 million it was said to be the world’s most expensive necklace.

The Incomparable diamond was discovered as an 890-carat rough stone in the Democratic Republic of Congo. It was bought by Donald Zale of the Zale Corporation, who oversaw its being cut into a trilliant shape. It is third largest faceted diamond in the world after the 545.67-carat Golden Jubilee diamond and the 530.20 Cullinan I diamond.



While yellow is most probably the most common the various color diamonds, large stones with a vivid hue are exceedingly rare and expensive. In May 2014 a 100.09-carat diamond, called the “Graff Vivid Yellow sold for more than $16.3 million, thus breaking the world record for a yellow diamond sold at public sale.

The previous record holder had been the 110.03-carat “Sun-Drop Diamond,” which had sold at auction in November 2011 for $12.3 million, breaking a mark set only one month earlier by the 32.77-carat “Vivid Yellow,” which sold for almost $6.6 million.

In 2015 Lawrence Graff introduced the “The Golden Empress,” a 132.55-carat Fancy Intense cushion-cut yellow diamond that had been purchased as a 299-carat rough diamond from Letšeng in the southern African kingdom of Lesotho.



Founded in 1890 in Beirut, Lebanon, Mouwad’s stunning gem collection includes some of the largest and rarest diamonds in the world.

The Mouawad Flower of Eternity Jewelry Coffer, the world’s most valuable jewelry box,

The 407.48-ct. “Incomparable” diamond, which is the featured piece in a multi-stone necklace that has been valued at $55 million.

Among the the company’s record-breaking diamonds are the 245.35-carat Jubilee Diamond, the 135.92-carat Queen of Holland diamond, the 69.42-carat Taylor Burton, and the largest cushion shaped D-color, internally flawless diamond weighing 218.08 carats.

Mouawad also holds four Guinness World Records for the most valuable handbag in 2010; most expensive bra, which was shown at the Victoria’s Secrets fashion show in 2003, and most expensive pear-shaped diamond bought at auction in 1990.

The company’s most recent registered Guinness World Record involved the Mouawad Flower of Eternity Jewelry Coffer in 2016. Named as the world’s most valuable jewelry box, it consists of three heart-shaped petals and features 542.39 carat of white and yellow diamonds, 293.24 carat of white and pink sapphires, 20.06 carat of rubies, and 1,799.75 carat of lapis lazuli. The box is valued at $3.5 million.