Become part of our select inner circle as we take you behind-the-scenes and inside the glamorous realm of diamonds and jewelry.
In an unprecedented sale, treasures of the Maharajas and Mughals are going on the block at Christie’s.
Use our size chart as a reference. All sizes are American.
| General Size | Finger Diameter | Finger Circumference |
| 3 | 14.1 mm | 44.2 mm |
| 3 1/4 | 14.3 mm | 50.0 mm |
| 3 1/2 | 14.5 mm | 45.5 mm |
| 3 3/4 | 14.7 mm | 46.1 mm |
| 4 | 14.9 mm | 46.8 mm |
| 4 1/4 | 15.1 mm | 47.4 mm |
| 4 1/2 | 15.3 mm | 48.0 mm |
| 4 3/4 | 15.5 mm | 48.7 mm |
| 5 | 15,7 mm | 49.3 mm |
| 5 1/4 | 15.9 mm | 50.0 mm |
| 5 1/2 | 16.1 mm | 50.6 mm |
| 5 3/4 | 16.3 mm | 51.2 mm |
| 6 | 16.5 mm | 51.9 mm |
| 6 1/4 | 16.7 mm | 52.5 mm |
| 6 1/2 | 16.9 mm | 53.1 mm |
| 6 3/4 | 17.1 mm | 53.8 mm |
| 7 | 17.3 mm | 54.4 mm |
| 7 1/4 | 17.5 mm | 55.1 mm |
| 7 1/2 | 17.7 mm | 55.7 mm |
| 7 3/4 | 17.9 mm | 56.3 mm |
| 8 | 18.1 mm | 57.0 mm |
| 8 1/4 | 18.3 mm | 57.6 mm |
| 8 1/2 | 18.5 mm | 58.3 mm |
| 8 3/4 | 18.8 mm | 58.9 mm |
| 9 | 19.0 mm | 59.5 mm |
