How much does a lab-grown diamond ring cost in 9 ct gold?
A lab-grown diamond ring in 9 ct gold typically costs around £904 for a 1 ct stone, about 20 % less than a comparable ring from 77 Diamonds. The 9 ct setting makes this the most affordable way to own a sparkling lab-grown diamond.
Below we compare prices across carat sizes and explain how metal choice affects value.
| Carat size (ct) | 77 Diamonds price (est.) £ | Diamonds4Change price £ |
| 1.00 | 1130.00 | 904 |
| 1.71 | 1277.50 | 1022 |
| 2.10 | 1323.75 | 1059 |
| 2.76 | 1516.25 | 1213 |
| 3.60 | 1751.25 | 1401 |
| 4.01 | 1902.50 | 1522 |
| 5.52 | 2201.25 | 1761 |
| 6.00 | 2555.00 | 2044 |
| 6.51 | 2673.75 | 2139 |
| 7.01 | 3060.00 | 2448 |
| 7.51 | 3222.50 | 2578 |
| 8.12 | 3793.75 | 3035 |
| 9.08 | 4302.50 | 3442 |
| 9.55 | 4151.25 | 3321 |
| 10.00 | 6210.00 | 4968 |