Order before Feb. 10th and get it before Valentine's.

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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.

We are delighted that you have shown interest in our company and our collection. One of our experienced diamond consultants will provide you with a response within 24 hours of your request.

We understand that you are eager to hear from us which is why we always aim to reply as soon and adequately as possible. If you want to learn more about Royal Coster Diamonds while you await your response, you can read about our history or take a look at our renowned Royal 201 Collection.

 

Can't wait? You can reach our diamond consultants 7 days a week between 9am to 5Pm Dutch time (GMT+1) by phone at +31(0) 20 3055 555 or in person at our monumental villa's in the Paulus Potterstraat 2 in Amsterdam.

7 days a week

Get In Touch

Email, chat or call to consult us on your next purchase.

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