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The Royal 201: A Masterpiece of Diamond Cutting
The Birth of the Royal 201 In 2007, our own Donny Griffioen and Bobby Low created the Royal 201, a...
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How to Properly Maintain and Clean Your Diamond Jewelry
As the hardest material in the world, diamonds are incredibly durable. However, to ensure that they continue to shine and sparkle, it is essential to properly maintain...
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Sales Advisor Multilingual (Part Time 24-32 hours per week)
Sales Advisor Multilingual (Part Time 24-32 hours per week) Royal Coster Diamonds is the oldest diamond-polishing factory in the world and is located in the heart of Amsterdam,...
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More Facets, more sparkle, more fire: the Royal 201
The basics The base of the brilliant cut diamond consists of the (Old) Single Cut diamond, or simple cut. The diamond is cut with seventeen facets. There are four cross...
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Private diamond consult
Book an exclusive diamond showing With the current travel limitations it might be difficult to visit Royal Coster Diamonds in person,...
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What is a diamond certificate?
Carat, color, clarity, and cut. These are the so-called 4...
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Jewelry trends for winter
1. Pearls Pearls are back with a vengeance! Anyone who says pearls are old-fashioned is wrong this time. It is an...
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The Royal 201
The basics The base of the brilliant cut diamond consists of the (Old) Single Cut diamond, or simple cut. The diamond is cut with seventeen facets. There are four cross...
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The cushion cut diamond
History The development of this cut dates way back. This shape is almost 200 years old. The name, however, is quite modern. In the past, they called this shape the...
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Royal cleaning service
Get your jewellery examined, cleaned and brought back to its original glory Do you have old jewelry lying around that you love...
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The bloodstone gemstone
Bloodstone is a gemstone that already arouses interest by only hearing its name. This name was given due to the red spots that the stone usually has. Bloodstone dates back...
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The story of the Miriam Ring
In 1951, diamond cutter Wim Biallosterski bought Coster Diamonds. It was a few years after World War II and the people of Amsterdam slowly started to get back on their...
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The baguette cut diamond
History of the baguette cut diamond The baguette cut diamond is about 100 years old. Named after the famous French bread, it was developed around the 1920s – 1930s. The...
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Our Royal Legacy
Royal Coster’s Royal visitors We always shared a warm relationship with Royals. Not only the Royal House from the Netherlands, but Royal Houses from all over the world....
