Lab Grown Marquise Diamonds, 0.20 - 0.49ct
As of April 2026, there are 41,130 lab grown marquise diamonds between 0.20 - 0.49ct available across retailers. Prices range from £181 GBP/ct to £3,327 GBP/ct, with an average of £870 GBP/ct. Approximately 38% of these diamonds are available at multiple retailers, with an average price spread of 84%.
Last updated: April 2026
Browse 41,130 diamonds in ExplorerPrice Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,663 | $1,084 | $765 | $627 | $635 | $859 | $870 | $1,417 | - |
| F-G | - | $1,394 | $777 | $998 | $1,040 | $1,217 | $980 | $975 | $855 |
| H-I | - | - | $1,648 | $1,196 | $1,144 | $1,169 | $1,137 | - | - |
| J-K | - | - | $2,145 | $1,231 | $1,124 | - | $1,018 | $946 | - |
| N+ | - | - | - | $1,178 | $1,175 | $1,369 | $1,542 | - | - |
Price by Color & Clarity
Average price per carat for 0.20 - 0.49ct lab grown marquise diamonds by color and clarity grade.
| Color | Clarity | Listings | Avg Price/ct | Spread |
|---|---|---|---|---|
| D-E | FL | 16 | £1,310 GBP | 25% |
| D-E | IF | 1,004 | £854 GBP | 84% |
| D-E | SI1 | 228 | £685 GBP | 128% |
| D-E | SI2 | 61 | £1,115 GBP | 98% |
| D-E | VS1 | 8,010 | £500 GBP | 120% |
| D-E | VS2 | 1,647 | £676 GBP | 110% |
| D-E | VVS1 | 10,429 | £602 GBP | 102% |
| D-E | VVS2 | 15,289 | £494 GBP | 121% |
| F-G | I | 11 | £673 GBP | 46% |
| F-G | IF | 28 | £1,097 GBP | 105% |
| F-G | SI1 | 152 | £772 GBP | 79% |
| F-G | SI2 | 61 | £768 GBP | 85% |
| F-G | VS1 | 1,034 | £819 GBP | 84% |
| F-G | VS2 | 545 | £958 GBP | 107% |
| F-G | VVS1 | 163 | £612 GBP | 77% |
| F-G | VVS2 | 629 | £786 GBP | 70% |
| H-I | SI1 | 60 | £896 GBP | 54% |
| H-I | VS1 | 281 | £901 GBP | 60% |
| H-I | VS2 | 160 | £921 GBP | 47% |
| H-I | VVS1 | 54 | £1,298 GBP | 61% |
| H-I | VVS2 | 100 | £942 GBP | 88% |
| J-K | SI1 | 12 | £802 GBP | 83% |
| J-K | SI2 | 11 | £745 GBP | 46% |
| J-K | VS1 | 16 | £885 GBP | 88% |
| J-K | VVS1 | 16 | £1,689 GBP | 26% |
| J-K | VVS2 | 32 | £969 GBP | 50% |
| N+ | SI1 | 32 | £1,214 GBP | 58% |
| N+ | VS1 | 516 | £925 GBP | 74% |
| N+ | VS2 | 168 | £1,078 GBP | 101% |
| N+ | VVS2 | 365 | £928 GBP | 95% |