UK 4 Carat Lab-grown Diamond Prices
The current price for a 4 carat lab-grown diamond in United Kingdom is £986.10, calculated from 17,324 diamonds that match this carat weight and type in our database, and has decreased by 15.43% over the last 7 days.
Prices for these diamonds range from £242.13 to £17,872.38, depending on factors such as the diamond shape, color, and clarity.
Overall, the price trend for 4 carat lab-grown diamonds over the past three weeks shows a consistent decrease in diamond prices.
The 7-day change is a significant decrease of 15.43%, the 14-day change is a sizable decrease of 16.51%, and the 21-day change is a considerable decrease of 22.50%.
These downward trends in diamond prices could suggest weakening demand or increased supply.
The most expensive shape for 4 carat lab-grown diamonds is currently oval, priced at £1,201.00.
The least expensive shape for 4 carat lab-grown diamonds is currently emerald, priced at £766.00.
This is a difference of £435.00, meaning that oval diamonds are 56.79% more expensive than emerald diamonds at the same carat weight.
These insights into lab-grown diamond prices aim to help you make an informed decision when selecting the best diamond shape for your needs.
4 Carat Diamond Prices in Ireland, Ranked by Diamond Shape
Click on any diamond shape to see more detailed pricing information.
| Shape of Diamond | Current Price (£) | 7-Day % Change |
|---|---|---|
| Oval | 1,065.59 | -9.13% |
| Radiant | 979.67 | -2.24% |
| Round | 865.59 | -2.95% |
| Cushion | 849.86 | -44.28% |
| Emerald | 794.70 | -1.40% |
| Asscher | 746.55 | -2.23% |
| Marquise | 725.10 | -2.48% |
| Princess | 698.59 | -13.44% |
| Heart | 661.11 | -1.66% |
| Pear | 638.68 | -15.82% |