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

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Lifetime free cleaning and polishing.

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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.

Get in touch

General information

Paulus Potterstraat 2
Amsterdam, Nederland 1071 CZ

Phone Number:
(+31) 20 305 5555

Open from Monday - Sunday: 09:00 - 17:00

get in touch

7 days a week

Between 09:00 AM and 5:00 PM

Between 09:00 AM and 5:00 PM

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