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

Free shipping and insured in Europe.

Lifetime free cleaning and polishing.

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

Free shipping and insured in Europe.

Lifetime free cleaning and polishing.

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Jewelry
Signature collections
All Collections
Valentine's Collection
Royal 201 Signature C Collection
Luna Collection
Rainbow Collection
Tennis Collection
NIKKIE X Royal Coster Diamonds
Coster Classics Collection
Last Chance Collection
Branded Jewelry
All Collections
Chopard Jewelry
Fabergé
Fjory
Shop by Category
Rings
Bracelets
Earrings
Necklaces
Watches
Watch brands
Rado
Frederique Constant
Titoni
Montblanc
Hamilton
All brands
Most popular watch brands
OMEGA
TAG Heuer
Longines
Piaget
Chopard
Most popular watch collections
OMEGA Speedmaster
TAG Heuer Formula 1
Frederique Constant Classics
Longines HydroConquest
Gifts
Custom Jewelry
Tours & Workshops
Plan a Consult
Blogs
Contact us
Get Directions

Jewelry
Watches
Gifts
Custom Jewelry
Tours & Workshops
Plan a Consult

Blogs
Contact us
Get Directions

English
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- English
- Nederlands

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Why not explore our new Luna Collection?

Luna Collection

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.
1. Pick a ring that fits you or wear regularly and fits comfortably around your finger. 2. Measure the interior diameter in millimeters (mm). 3. 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.