Royal experience in the oldest diamond factory in the world

Just around the corner from the Rijksmuseum, step inside the oldest still operating diamond polishing factory in the world and experience 185 years of craftsmanship at Royal Coster Diamonds. During this exclusive 60 minute private experience, you will enjoy a personal guided journey through the royal history, craftsmanship, and exceptional diamonds that have made Royal Coster Diamonds world famous. Learn about the 4 C's of diamond valuation Cut, Color, Clarity, and Carat and how each factor determines a stone's quality and value. Along the way, you will uncover the stories behind some of the world’s most famous diamonds, admire the replica of the legendary Koh i Noor, the Cullinan replica the largest gem-quality rough diamond ever found and discover the Royal 201, known as the most brilliant diamond in the world.Including personal attention and a special Royal Coster Diamonds gift.From live polishing demonstrations to royal history and exceptional diamonds, this is one of the most unique experiences on Amsterdam’s Museumplein.