on Facebook on Twitter

Reviews

Royal Coster Diamonds

9.5 / 10

392 reviews

98% of the customers recommend this company.

Lars Bogren

9/10

30-01-2025

Okej

Score on Royal Coster Diamonds: 4.5/5
Would you recommend this company? Yes

Overview

Company information

Royal Coster Diamonds is the oldest diamond cutting company in the world. The Amsterdam diamond house is known for its craftsmanship, passion, a large stock of high-quality diamonds and a personal approach.

Located on the Museumplein in Amsterdam, we are at your service for diamond jewelry, high-end watches, tours and workshops

Contact information

Email: helpdesk@royalcoster.com

Tel: +31 20 305 5555

Reliable and transparent

Want to know what Feedback Company's review policy is and how the review page comes together?
Click here for more information

Feedback Company Guarantee:

Authenticated feedback
No manipulation
Verified customer data
Mediation

2010 – 2025 © Feedback Company

Feedbackcompany.com uses Cookies. Please read our Cookie Policy for more information. You accept cookies by continuing or closing this message.