Size Guide
| US Size | Circumference (mm) |
|---|---|
| 3.0 | 42.9 |
| 3.5 | 45.5 |
| 4.0 | 46.8 |
| 4.5 | 48 |
| 5.0 | 49.3 |
| 5.5 | 50.6 |
| 6.0 | 51.9 |
| 6.5 | 53.1 |
| 7.0 | 54.4 |
| 7.5 | 55.7 |
| 8.0 | 57.0 |
| 8.5 | 58.3 |
| 9.0 | 59.5 |
| 9.5 | 60.8 |
| 10 | 62.1 |
| 10.5 | 63.4 |
| 11 | 64.6 |
| 11.5 | 65.9 |
| 12 | 67.2 |
| 12.5 | 68.5 |
| 13 | 69.7 |
Download Ring Size Guide
| Pear Shape | Approx Stone Size | CTW Emerald | CTW Moonstone | CTW Ruby |
|---|---|---|---|---|
| Micro | 7 x 5mm | 0.55cts | 0.60cts | 1ct |
| Baby | 10 x 7mm | 1.50cts | 1.80cts | 2.50cts |
| Medium | 12 x 8mm | 3 - 3.5cts | ||
| Classic | 14 x 10mm | 4.5 - 5cts | 4cts | 7cts |
| Emerald Cut | Approx Stone Size | CTW Emerald | CTW Moonstone | CTW Ruby |
|---|---|---|---|---|
| Micro | 7 x 5mm | 0.55cts | 0.60cts | 1ct |
| Classic | 10 x 7mm | 0.95cts | 2.20cts | 3cts |
| Oval | Approx Stone Size | CTW Emerald | CTW Moonstone |
|---|---|---|---|
| Micro Emerald | 7 x 5mm | 0.55cts | |
| Micro Moonstone | 9 x 7mm | 1.50cts | |
| Baby | 10 x 7mm | 0.95cts | 2.20cts |
| Classic | 12 x 10mm | 3.60cts | 4.50cts |
| Marquise Cut | Approx Stone Size | CTW Emerald | CTW Moonstone | CTW Ruby |
|---|---|---|---|---|
| Baby | 10 x 5mm | 0.95cts | 1ct | 1.60cts |
| Classic | 14 x 7mm | 2.20cts | 2.50cts | 3.50cts |
| Item | Diameter | Thickness |
|---|---|---|
| Goddess, Crescent, and Sevenfold | ||
| Diamond Mini Goddess Hoops | 9.6mm | 1.8mm |
| Medium Goddess Hoops | ||
| Goddess Hoops (Diamond and Solid) | 11mm | 1.7mm |
| Sevenfold Diamond Hoops Small | ||
| Sevenfold Diamond Hoops Large | ||
| Baby Crescent Unity Hoops (Diamond and Solid) | 12.5mm | 2.8mm |
| Crescent Unity Hoops (Diamond and Solid) |
| Item | Diameter | Thickness |
|---|---|---|
| French Pave Hoops | ||
| Baby French Pavé Diamond Hoops | ||
| Medium French Pavé Diamond Hoops | 16mm | 2.9mm |
| Inside Out French Pavé Diamond Hoops | ||
| Graduated French Pavé Diamond Hoops | ||
| Large Inside Out French Pavé Diamond Hoops | 23.8mm | 2.9mm |
| Item | Diameter |
|---|---|
| Mini Sunshine | 11mm |
| Medium Sunshine | 17mm |
| Classic Sunshine | 21mm |
| Mini Moon | 12mm |
| Medium Moon | 18mm |
| Classic Moon | 21mm |
| Pear | Approx Stone Size | CTW Emerald | CTW Moonstone | CTW Ruby |
|---|---|---|---|---|
| Micro | 7 x 5mm | 0.55cts | 0.60cts | 1ct |
| Baby | 10 x 7mm | 1.50cts | 1.80cts | 2.50cts |
| Classic | 14 x 10mm | 4.5 - 5cts | 4cts | 7cts |
| XS | S | M | L | |
|---|---|---|---|---|
| US | 0-2 | 2-4 | 6-8 | 8-10 |
| UK/AUS | 6 | 8 | 10 | 12 |
| France | 34 | 36 | 38 | 40 |
| Italy | 38 | 40 | 42 | 44 |
| Japan | 5 | 7 | 9 | 11 |
| Denmark | 32 | 34 | 36 | 38 |
| Size | Circumference | Diameter |
|---|---|---|
| Petite | 6.5 inches | 55mm x 45mm |
| Classic | 7 inches | 60mm x 50mm |
| Size | Length |
|---|---|
| Large | 8 inches |
| Extra Large | 9 inches |