The Blue Moon Diamond

A wonderful new addition to the great gemstones of the world is the Blue Moon diamond, a 12.03 carat Fancy Vivid Blue, Internally Flawless diamond. The rough diamond was discovered in January 2014, at the Cullinan mine in South Africa, the same mine where the Star of Africa was discovered one hundred years earlier. The […]

The Polar Star

The Polar Star diamond is a 41 carat cushion cut diamond, from the famous Golconda region in India. It was named after Polaris, the Northern Star. It has an eight pointed star arrangement on its lower pavilion, from which it derives its name. The symmetry of the cut is so precise that it can be […]

The Nassak Diamond

The Nassak diamond is a 43 carat diamond, discovered in India in the 15th century. Originally it weighed over 90 carats, but was re-cut several times over the years, most recently in 1940. It is an elongated triangular shape, with rounded corners, and described at the 1933 World’s fair in Chicago as the finest diamond […]

The Florentine Diamond

Following on from our recent post about the Three Brethren Jewel, another interesting diamond that is lost to history is the Florentine Diamond, a 137 carat yellow stone. It was first definitely documented in the collection of the Duke of Tuscany, the future Ferdinand II (a member of the Medici family), 1610-1670, though it was […]