Royal Coster Diamonds invites you to a visit in the heart of Amsterdam for a guided tour. Explore the magical world of diamonds in your own language. Watch our craftsmen and women cut and polish rough stones into beautiful diamonds. They create diamonds in all shapes and sizes that will last for centuries to come. Our experienced guides will tell you about the 4 C's of diamond valuation, the origin of diamonds and much more. All while you gaze upon some of the world's most spectacular diamond artifacts.
During the tour, your personal guide explains everything you want to know about the mystical world of diamonds. He or she will tell you about the origins of the diamonds and the process a diamond goes through. This diamond process takes millions of years. Learn how to evaluate a diamond with the 4 C's (carat, cut, clarity, color) of diamond valuation. There is so much more to know and appreciate about a diamond than just the sparkle. You will be surprised.
Ready to see the real thing? At Royal Coster Diamonds we have the largest collection unset diamonds in Europe. Whatever your diamond needs are, we can fulfill them to complete satisfaction. From polished to rough, from 0,10 carat to 5+ carat, we have diamonds in all shapes and colors. You can see and purchase them right here, right now, in the heart of Amsterdam, the City of Diamonds.
Besides seeing amazing diamond jewelry and Europe's largest collection of unset diamonds, you will also see the Royal 201 diamond. This is Royal Coster's own patented diamond cut and known to be the best diamond in the world. A regular brilliant has 57 facets, while our unique diamond cut has no less than 201 facets. These extra facets cause to make the light reflect even more within the diamond. This creates a sparkling effect that is no match for any other diamond shape in the world.
Full refund is guaranteed if the cancellation is made 48 hours prior the offer's start date. We don't apply any refund if the cancellation is made less than 48 hours before offer start date.