Did the free tour (of which more than half was walking through their showroom) since it was a) free, and b) conveniently located next to the Rijksmuseum and House of Bols. It only took about 20 minutes. If you're right there already, it's sort of interesting, but don't bother otherwise. more

we were in amsterdam on a very tight budget so buying diamond jewelry was definitely not an intention. leaving the rijksmuseum with time to kill, i knew the tour at coster diamonds was free so we went in. after registering, we entered a room that had workers behind machinery. in glass cases were replicas of diamonds and pieces like a... more

I surprised my wife with a trip to Coster Diamonds in Amsterdam to get her a ring to say thanks for giving me two beautiful kids. I emailed Pamela de Joong in Coster Diamonds in advance of the trip and she pulled out all the stops for me. I gave her my budget (€1000) and asked her to send me... more

I was in Amsterdam for a trip in May and simply wanted to gather more information on diamonds before I make my purchase. I've spent some time meeting all my "friend's jeweler" and none of them had what I was looking for in terms of "quality" and "value". In my opinion, every jeweler will make a profit on their sale.... more

For a diamond lover like myself, Coster Diamonds was an exquisite experience. The staff there are so helpful and friendly, even if you're not seriously looking to buy, or can only afford to buy something inexpensive. My boyfriend and I were looking at the diamonds in order to give him an idea for my engagement ring (for when we do... more