Coster Diamonds Perfect Ring app for iPhone and iPad

Coster Diamonds is the oldest diamond polishing factory in Europe.

We welcome more than 350.000 visitors each year, that want to see the most precious diamonds, the largest collection of unset diamonds and our diamond polishers, cutters and goldsmiths at work.

Founded in 1840, Coster Diamonds has always been known as the highest quality diamonds craftsman in the world. We have had, and still have, the priviledge and honor to cut and polish the most precious and special diamonds in the world for royalty around the world.

We cut the Star of the South, the Dresden Diamond, and the Koh-I-Nor, as found in the British crown jewels. We have welcomed The King of Siam, The Queen of England, the Princes and Kings of Egypt, Empress Sisi and Emperor Napoleon, among others, to our monumental villas in the heart of Amsterdam to see our craftsman at work.

Now our diamond polishers and goldsmiths teamed up to create a selection of timeless diamond engagement rings and weve put them in this application for you to browse, try on and share!

• Browse our selection of hand-crafted diamond (engagement) rings
• Learn about Coster Diamonds and our rich history
• Know what youre getting with our easy-to-read diamond buying guide
• Try on the rings yourself and share the image with the world!
• Be the first to profit from spectacular discounts