Round Brilliant Lab-Grown Diamond Band
Price range: $897.00 through $1,923.00
Ring Size Guide
All our rings are listed in US / Canada sizes. Use the chart below to match your size to the inside diameter and circumference of the band, or to its UK equivalent.
Don't see your size? You can order our rings in a custom size — simply contact us and we will make your ring to measure.
Women’s ring sizes
| US / Canada size | Inside diameter | Inside circumference | UK size |
|---|---|---|---|
| 4 | 14.9 mm | 46.8 mm | H |
| 4.25 | 15.1 mm | 47.4 mm | H½ |
| 4.5 | 15.3 mm | 48.0 mm | I |
| 4.75 | 15.5 mm | 48.7 mm | J |
| 5 | 15.7 mm | 49.3 mm | J½ |
| 5.25 | 15.9 mm | 49.9 mm | K |
| 5.5 | 16.1 mm | 50.6 mm | K½ |
| 5.75 | 16.3 mm | 51.2 mm | L |
| 6 | 16.5 mm | 51.9 mm | L½ |
| 6.25 | 16.7 mm | 52.5 mm | M |
| 6.5 | 16.9 mm | 53.1 mm | M½ |
| 6.75 | 17.1 mm | 53.8 mm | N |
| 7 | 17.3 mm | 54.4 mm | N½ |
| 7.25 | 17.5 mm | 55.0 mm | O |
| 7.5 | 17.7 mm | 55.7 mm | O½ |
| 7.75 | 17.9 mm | 56.3 mm | P |
| 8 | 18.1 mm | 57.0 mm | P½ |
| 8.25 | 18.3 mm | 57.6 mm | Q |
| 8.5 | 18.5 mm | 58.2 mm | Q½ |
| 8.75 | 18.7 mm | 58.9 mm | R |
| 9 | 18.9 mm | 59.5 mm | R½ |
Men’s ring sizes
| US / Canada size | Inside diameter | Inside circumference | UK size |
|---|---|---|---|
| 8 | 18.1 mm | 57.0 mm | P½ |
| 8.25 | 18.3 mm | 57.6 mm | Q |
| 8.5 | 18.5 mm | 58.2 mm | Q½ |
| 8.75 | 18.7 mm | 58.9 mm | R |
| 9 | 18.9 mm | 59.5 mm | R½ |
| 9.25 | 19.1 mm | 60.2 mm | S |
| 9.5 | 19.4 mm | 60.8 mm | S½ |
| 9.75 | 19.6 mm | 61.4 mm | T |
| 10 | 19.8 mm | 62.1 mm | T½ |
| 10.25 | 20.0 mm | 62.7 mm | U |
| 10.5 | 20.2 mm | 63.3 mm | U½ |
| 10.75 | 20.4 mm | 64.0 mm | V |
| 11 | 20.6 mm | 64.6 mm | V½ |
| 11.25 | 20.8 mm | 65.3 mm | W |
| 11.5 | 21.0 mm | 65.9 mm | W½ |
| 11.75 | 21.2 mm | 66.5 mm | X |
| 12 | 21.4 mm | 67.2 mm | X½ |
Measurements refer to the inside of the band. If you fall between two sizes, or the ring has a wide band, we recommend choosing the larger size. Still unsure? Get in touch and we will help you find your fit.
- Free Delivery
- Safe and secure payment methods
- Returns within 14 days if in original condition.
- We offer customers 100% money back.
This round brilliant diamond band adds clean sparkle with a classic prong setting, ideal for stacking, wedding styling, or refined everyday wear with polished simplicity.
| Setting Style | Prong |
|---|---|
| Center Stone Shape | Round Brilliant |
| Total Stone Weight (Carat) | 0.5, 1 |
| Stone Origin | Lab Created |
| Certificate Available | No, Yes |
| Gender | Female |
Complete the look
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Whether you need help selecting a ring, comparing metal options, or learning more about product variations, the HVJ Diamonds team is ready to assist you. Contact us for product guidance, order support, or personalized assistance while shopping for fine jewelry online.