IGI Certified Round Brilliant Lab Grown Diamonds

Explore our premium collection of ethically sourced and sustainably grown IGI certified round brilliant lab grown diamonds. These diamonds deliver exceptional clarity, brilliance and fire, making them ideal for custom jewellery making, engagement rings or accent pieces.

Filters

Shape

Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.25ct Round Brilliant Lab Grown Diamond

Regular price From £85.00
Sale price From £85.00 Regular price
Unit price
0.25ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.25ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.30ct Round Brilliant Lab Grown Diamond

Regular price From £110.00
Sale price From £110.00 Regular price
Unit price
0.30ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.30ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.40ct Round Brilliant Lab Grown Diamond

Regular price From £120.00
Sale price From £120.00 Regular price
Unit price
0.40ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.40ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.50ct Round Brilliant Lab Grown Diamond

Regular price From £140.00
Sale price From £140.00 Regular price
Unit price
0.50ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.50ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.60ct Round Brilliant Lab Grown Diamond

Regular price From £170.00
Sale price From £170.00 Regular price
Unit price
0.60ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.60ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.70ct Round Brilliant Lab Grown Diamond

Regular price From £190.00
Sale price From £190.00 Regular price
Unit price
0.70ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.70ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.80ct Round Brilliant Lab Grown Diamond

Regular price From £210.00
Sale price From £210.00 Regular price
Unit price
0.80ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.80ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

0.90ct Round Brilliant Lab Grown Diamond

Regular price From £230.00
Sale price From £230.00 Regular price
Unit price
0.90ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 0.90ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.00ct Round Brilliant Lab Grown Diamond

Regular price From £250.00
Sale price From £250.00 Regular price
Unit price
1.00ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.00ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.10ct Round Brilliant Lab Grown Diamond

Regular price From £260.00
Sale price From £260.00 Regular price
Unit price
1.10ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.10ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.20ct Round Brilliant Lab Grown Diamond

Regular price From £290.00
Sale price From £290.00 Regular price
Unit price
1.20ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.20ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.30ct Round Brilliant Lab Grown Diamond

Regular price From £300.00
Sale price From £300.00 Regular price
Unit price
1.30ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.30ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.40ct Round Brilliant Lab Grown Diamond

Regular price From £330.00
Sale price From £330.00 Regular price
Unit price
1.40ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.40ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.50ct Round Brilliant Lab Grown Diamond

Regular price From £370.00
Sale price From £370.00 Regular price
Unit price
1.50ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.50ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.60ct Round Brilliant Lab Grown Diamond

Regular price From £400.00
Sale price From £400.00 Regular price
Unit price
1.60ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.60ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.70ct Round Brilliant Lab Grown Diamond

Regular price From £430.00
Sale price From £430.00 Regular price
Unit price
1.70ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.70ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.80ct Round Brilliant Lab Grown Diamond

Regular price From £470.00
Sale price From £470.00 Regular price
Unit price
1.80ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.80ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

1.90ct Round Brilliant Lab Grown Diamond

Regular price From £520.00
Sale price From £520.00 Regular price
Unit price
1.90ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 1.90ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

2.00ct Round Brilliant Lab Grown Diamond

Regular price From £600.00
Sale price From £600.00 Regular price
Unit price
2.00ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 2.00ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

2.25ct Round Brilliant Lab Grown Diamond

Regular price From £675.00
Sale price From £675.00 Regular price
Unit price
2.25ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 2.25ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

2.50ct Round Brilliant Lab Grown Diamond

Regular price From £700.00
Sale price From £700.00 Regular price
Unit price
2.50ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 2.50ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

3.00ct Round Brilliant Lab Grown Diamond

Regular price From £890.00
Sale price From £890.00 Regular price
Unit price
3.00ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 3.00ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

3.50ct Round Brilliant Lab Grown Diamond

Regular price From £900.00
Sale price From £900.00 Regular price
Unit price
3.50ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 3.50ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

4.00ct Round Brilliant Lab Grown Diamond

Regular price From £1,350.00
Sale price From £1,350.00 Regular price
Unit price
4.00ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 4.00ct round brilliant lab...
Round brilliant cut lab grown diamond IGI certified - The Carat Club

5.00ct Round Brilliant Lab Grown Diamond

Regular price From £4,950.00
Sale price From £4,950.00 Regular price
Unit price
5.00ct Round Brilliant Lab Grown Diamond - IGI Certified IGI certified 5.00ct round brilliant lab...
Sort by
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old