This is an approximate size conversion guide. Please refer to measurements on product pages for actual measurements. For further information or advice, refer to our FAQs or contact us.
NECKLACE SIZE GUIDE
| Length | |
| Type | inches | cm |
| Collar | 14 | 35.6 |
| 16 | 40.6 |
| Princess | 18 | 45.7 |
| Matinee | 20 | 50.8 |
| 24 | 61.0 |
| 30 | 76.2 |
| 33 | 83.8 |
RING SIZE GUIDE
| Inner Diameter | | US | UK | EU |
| inches | mm | | | |
| 0.58 | 14.88 | 4.25 | H | 46.5 |
| 0.59 | 15.1 | 4.5 | I | 47 |
| 0.6 | 15.49 | 5 | J | 48.5 |
| 0.62 | 15.9 | 5.5 | K | 50 |
| 0.64 | 16.31 | 6 | L | 51 |
| 0.65 | 16.71 | 6.5 | M | 52 |
| 0.67 | 17.12 | 6.75 | N | 53.5 |
| 0.69 | 17.53 | 7 | O | 55 |
| 0.7 | 17.93 | 7.5 | P | 56 |
| 0.72 | 18.34 | 8 | Q | 57 |
| 0.73 | 18.75 | 8.5 | R | 58.5 |
| 0.75 | 19.15 | 9 | S | 59.5 |
| 0.77 | 19.56 | 9.5 | T | 61 |
