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 […]

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A whopping 890 carats in its rough form, the Incomparable Diamond is among the largest flawless diamonds ever discovered. It was found in the 1980s, by a young girl playing in a pile of building rubble outside her uncle’s house. The rubble had come from a nearly mine, and had been rejected for being too bulky […]

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One of the more mysterious diamonds in history, the story of the Brunswick Blue is an intriguing one, with unusual gaps in the story and tantalising links to one of the most famous diamonds in the world! The backstory begins with the French Blue, a 115 carat rough diamond of a most wonderful metallic-blue shade. It […]

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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 […]

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Despite its name, it would appear that this wonderful 127 carat octagonal cut diamond has no connection to Portugal, but instead is of South African origin. Its name comes from a rumour that it once formed part of the Portuguese crown jewels (in the 18th century) but there is no proof of this. It is […]

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One of the more interesting aspects of antique silver is how it tied into the social history of the times. For example, the growth of Rococo can be seen in silver pieces of the day, as well as in the architecture, fashion and fine art of the time; Adams style, which reflected the more modern, […]

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We have a wonderful collection of research books at Weldon’s, including some of the most beautiful publications in the world. Here is a quick look inside some of our favourites! They cover everything from the technical aspects and naunces of diamond grading, to the art and beauty of jewellery as fashion items. A few are […]

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One of the most audacious jewel thefts in history happened in 1671, when an Irishman called Thomas Blood attempted to steal the crown jewels from the Tower of London. Blood was a Meathman, born there in 1618, the son of a prosperous blacksmith. He fought against Charles I, and was awarded a large estate in […]

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Peridot is a gem variety of the mineral olivine, which is found in peridotite rock from the earth’s upper mantle. It was known since antiquity, and for many centuries it was only found on a small island in the Red Sea, today known as Zabargad Island. 2500 years ago, no boats were ever left there overnight […]

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The Tereschenko Diamond, also known as the Tereschenko Blue, is a 42.9 carat pear shape blue diamond. It has a slightly irregular outline, with a beautiful even saturation. It is believed to have come from India originally, as, like most blue diamonds, it is a Type IIb, suggesting that it came from the famous Golconda mines. […]

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