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Bekijk deze collecties.

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.

News & Press

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On the...

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Jewelry from Royal Coster Diamonds at the Premiere of "The Real Housewives of Amsterdam" with Hella Huizinga

Royal Coster Diamonds had the honor of being present at the premiere of "The Real Housewives of Amsterdam." Hella Huizinga, one of the Housewives of Amsterdam, shone at the...

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Royal Coster Diamonds shines at the Premiere of Pretty Woman: The Musical

Royal Coster Diamonds had the privilege of being at the premiere of Pretty Woman.The leading actress, Shanna Slaap, shined on the red carpet adorned with beautiful jewelry from Royal...

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