All sizing is based on the internal ring diameter (across the middle).
Our online products are displayed in US sizes. If you don't know your US size, see the below conversion chart.
For any other sizing questions please do not hesitate to contact us at info@blackdeville.com
| USA | AU / UK | EU | INTERNAL RING DIAMETER - EDGE TO EDGE (mm) |
| 6 | M | 52 | 16.5mm |
| 7 | O | 54 | 17.3mm |
| 8 | Q | 57 | 18.2mm |
| 9 | R 1/2 | 60 | 19mm |
| 10 | T 1/2 | 62 | 19.8mm |
| 11 | V 1/2 | 65 | 20.6mm |
| 12 | Y | 68 | 21.5mm |
| 12 1/2 | Z | 69 | 21.9mm |
| 13 | Z1 | 70 | 22.3mm |
| Z2 | - | - | |
| Z3 | - | - |
Black De Ville jewellery uses standard jewellery sizing however due to the hand made nature of the pieces the sizing can slightly differ. If the wrong size is ordered and the piece requires. a resize a fee of $50 applies. If you need a specific size please contact us at info@blackdeville.com