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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.

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