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a diamond consultant

Our award winning diamond consultants help you select the best diamond jewellery for any budget.
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Only the highest level of Craftsmanship

The master polishers at Coster Diamonds polished the most renowned diamonds in the world. From the Koh-I-Noor in the British Crown Jewels to the Royal Diamond Watch for the Dutch queen. Our collection of diamond jewelry is unique, elegant and always made by the most skilled craftsmen and women with the finest selection of diamonds available.

Alliance rings

For when a single diamond

just won’t do

See Collection

Engagement workshop

“We loved the workshop and will definitely come back soon!”

Book your workshop

What to look for when buying an engagement ring

Despite many extravagant designs, the solitaire ring has been the most popular engagement ring ever. And rightfully so.

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 Diamond Consultants are standing by

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Coster Diamonds offers amazing packages for a brilliant time in the City of Diamonds

Our Travel department helps our guests get the most out of their stay in the most sparkling city in the world.

Contact us for special rates and custom travel arrangements now

See our tours

Royal Coster Diamonds