At the heart of it since 1840.

At the heart of it. Since 1840.

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Why not explore our new Luna Collection?

  • The Story of King Willem III - Royal Coster Diamonds

    The Story of King Willem III

    Willem Alexander Paul Frederik Lodewijk, also known as King Willem III of the Netherlands was our king from 1849 until his passing in 1890. In 1862, he visited our diamond...

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  • The Story of Sisi - Royal Coster Diamonds

    The Story of Sisi

    In the spring of 1884, the Empress Elisabeth of Austria-Hungary - who her father affectionately called “Sisi” - visited Amsterdam and Royal Coster Diamonds. Sisi came to the Netherlands for...

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  • The Story of King Rama V - Royal Coster Diamonds

    The Story of King Rama V

    King Rama V had a love for science and (Western) civilization which he discovered this on his many trips. So when Chulalongkorn became king at a very young age, he...

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