Tag Archives: Learn about Diamonds

The Alnatt Diamond

The Alnatt is a 102 carat cushion cut diamond, named after its first known owner, Major Alfred Alnatt. It probably originated from South Africa, as most of the important yellow diamonds in the world come from there. Major Alnatt was a soldier, benefactor, sportsman and patron of the arts. He paid what was then a world […]

The Vladimir Tiara

One of the most beautiful Royal tiaras in Europe, and certainly the one with the most interesting provenance, is the Vladimir Tiara, originally from Russia, and now the property of Queen Elizabeth II. Grand Duchess Maria Pavlovna was the aunt of Tzar Nicholas II, and wife of the Grand Duke Vladimir Alexandrovich. Her most spectacular […]

Star Sapphire

One of the most fascinating effects that you can come across in a sapphire is Asterism, the effect where you can see a six pointed star in the stone, especially under a direct light source. The star will move as the light source moves. Although they come in many colours, the finest and most desirable […]

The Shah Diamond

One of the most interesting diamonds in the world, and perhaps one of the most beautiful, the Shah diamond does not sparkle or twinkle, but rather is a table cut diamond (flat, bar shaped), with three cleavage faces and one faceted face. Its most intriguing characteristic is that three of the faces of the diamond […]

The Colenso Diamond

The Colenso Diamond is an uncut octahedral 133 carat diamond, found in South Africa in 1883, (most likely in the De Beers mine). It was one of the earliest notable large diamonds found there. The story of how it was found is most tragic; a storekeeper South Africa left his shop and went into the […]

Rose Cut Diamonds

A Rose Cut diamond is an antique cut, dating back to the early 1500s; it has a flat bottom and a faceted crown. Typically, the flat bottom is a cleavage plain, and the crown is cut with triangular facets rising to a point. They normally have 3 or 6 way symmetry; an optical effect of […]

How to Become a Gemmologist

We sometimes get asked how to learn about diamonds and the jewellery business; where does one learn about diamonds, and pick up the formal training in the study of them? The diamond business is largely private, for understandable reasons. Most shops are family businesses, so on-the-job training is hard to come by. The gold standard qualification in […]