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Jeweller measuring a ring on a metal ring mandrel in a workshop

Ring Size from Circumference: How Millimetres T...

How a millimetre measurement becomes a UK, US or EU ring size, and why circumference and diameter are easy to mix up.

Ring Size from Circumference: How Millimetres T...

How a millimetre measurement becomes a UK, US or EU ring size, and why circumference and diameter are easy to mix up.

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