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Luna Collectie

Find Your Ring Size

Royal Coster
Diamonds Size		 Internal Diameter / Circumference (mm)​
14,01
14,33
14,65
14,97
15,21
15,61
15,92
16,24
16,56
16,88
17,20
17,52
17,83
18,15
18,47
18,79
19,11

How To Measure
The Hands-on Method​ Measure an Existing Ring
  • 1. Grab a tape measure, length of string or strip of paper.
  • 2. 2. Wrap one of these objects around your finger. Mark the place where the two end of the measuring object come together.
  • 3. When using string or paper grab a ruler. Lay it on a flat surface and measure to where the marked point is.
  • 4. Use the chart presented above to acquire the correct ring size.

Still not sure? If you are still uncertain about the correct ring size our experts are happy to help. Please contact us here for any questions regarding the rig size.

Father's Day 2022

Have you already thought about how you will surprise your father this Father's Day? We have put together a small selection of Father's Day gifts for you. From chic black diamond bracelets to the must-have watches of the moment.

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New collection

The Royal 201 Signature C Collection

With this special collection, Royal Coster Diamonds celebrates the essence of the Royal 201: emotional connection.    

Discover