Sizing
At Fascino Jewellery, we like to make sure that your online shopping experience is as easy as possible. Whether you are buying a white gold or yellow gold ring, a ring set with one carat or quarter carat diamonds, we understand the importance of getting the ring size right.
Ring Size Conversion Chart
To discover your ring size, simply measure the inside diameter of an existing fitting ring and check the measurement against our handy chart below.
| Inside diameter (mm) | Inside circumference (mm) | Ring size |
| 14.48 | 45.5 | G |
| 14.88 | 46.8 | H |
| 15.29 | 48 | I |
| 15.49 | 48.7 | J |
| 15.9 | 50 | K |
| 16.31 | 51.2 | L |
| 16.71 | 52.5 | M |
| 17.12 | 53.8 | N |
| 17.53 | 55.1 | O |
| 17.93 | 56.3 | P |
| 18.34 | 57.6 | Q |
| 18.75 | 58.9 | R |
| 19.15 | 60.2 | S |
| 19.56 | 61.4 | T |
| 19.96 | 62.7 | U |
| 20.37 | 64 | V |
| 20.78 | 65.3 | W |
| 21.18 | 66.6 | X |
| 21.59 | 67.8 | Y |
| 21.79 | 68.5 | Z |