Learn what makes diamonds sparkle at the world's oldest polishing factory
We can't all waltz around in diamond tiaras like the Queen of England. However, a sparkling Royal Experience Tour at the renowned Royal Coster factory is surely the next best thing?Find out how Amsterdam became the _City of Diamonds_, and hear a short history of precious stones.Listen to stories of royal patrons like Empress Sisi and the Viceroy of China. Learn how diamonds are formed, cut and cleaned, and watch expert polishers and goldsmiths create beauty that lasts for centuries.