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Jewelry
Signature Collections
Royal 201 Signature C Collection
Luna Collection
Rainbow collection
Tennis Collection
NIKKIE X Royal Coster Diamonds Collection
Coster Classic Collection
Archive Collection
Wedding & Engagement
Engagement Collection
Wedding Collection
Branded Jewelry
All Collections
Fabergé Collection
Fjory Collection
Anna Maria Cammilli Collection
Shop by Category
Rings
Bracelets
Earrings
Necklaces
Celebrations
Gifting Collections
Royal Coster Diamonds Gifts
Graduation Collection
Montblanc Collection
Birthstone Collection
Watches
Watch brands
Rado
Titoni
Montblanc
Hamilton
All brands
Most popular watch brands
TAG Heuer
Frederique Constant
Longines
Royal Coster Diamonds Watches
Piaget
Most popular watch collections
TAG Heuer Formula 1
Frederique Constant Classics
Longines HydroConquest
Tours & Workshops
Plan a Consult
Blogs
Contact us
Get Directions
My Coster Account

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Bekijk deze collecties.

Luna Collection

Find Your Ring Size

Royal Coster Diamonds Size	MM / INCH (Circumference)
	48 / 1.89	48 4½ I½ 8
	49 / 1.93	49 4¾ J¾ 9
	50 / 1.97	50 5½ K 10
	51 / 2.01	51 5¾ L 11
	52 / 2.05	52 6 L½ 12
	53 / 2.09	53 6¼ M½ 13
	54 / 2.13	54 6¾ N½ 14
	55 / 2.17	55 7¼ O 15
	56 / 2.20	56 7½ P 16
	57 / 2.24	57 8 P½ 17
	58 / 2.28	58 8¼ Q½ 18
	59 / 2.31	59 8¾ R 19
	60 / 2.36	60 9 S 20

Discover your ring size
Measure an existing ring	Measure your finger
1. Download the pdf document below, set it to 100% and print it on A4 paper. You can measure the 5cm line to check the accuracy of the printed dimensions. 2. Check which circle matches the size of your ring. Make sure that the black circle is only visible within the ring. 3. If the ring is in between two circles (sizes), we recommend the larger size.
1. Download the pdf document below, set it to 100% and print it on A4 paper. You can measure the 5cm line to check the accuracy of the printed dimensions. Then, cut out the Finger Sizer. 2. Cut the small gold line. Wrap the sizer around the largest part of your finger and make sure it is tightened. 3. Read your ring size from the sizer. If your ring size is in between two circles (sizes), we recommend the larger size.

DOWNLOAD PDF

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Diamond Rings at Royal Coster Diamonds

Whether it is an engagement ring, a wedding ring or a friendship ring. A diamond ring is the symbol of eternal love. We have the largest collection of diamond rings in Europe with over 20,000 loose diamonds in stock.