IGI Certified Cushion Lab Grown Diamonds

Explore our premium collection of ethically sourced and sustainably grown IGI certified cushion 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

Cushion cut lab grown diamond IGI certified - The Carat Club

0.50ct Cushion Lab Grown Diamond

Regular price From £175.00
Sale price From £175.00 Regular price
Unit price
0.50ct Cushion Lab Grown Diamond - IGI Certified IGI certified 0.50ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

0.60ct Cushion Lab Grown Diamond

Regular price From £200.00
Sale price From £200.00 Regular price
Unit price
0.60ct Cushion Lab Grown Diamond - IGI Certified IGI certified 0.60ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

0.70ct Cushion Lab Grown Diamond

Regular price From £210.00
Sale price From £210.00 Regular price
Unit price
0.70ct Cushion Lab Grown Diamond - IGI Certified IGI certified 0.70ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

0.80ct Cushion Lab Grown Diamond

Regular price From £230.00
Sale price From £230.00 Regular price
Unit price
0.80ct Cushion Lab Grown Diamond - IGI Certified IGI certified 0.80ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

0.90ct Cushion Lab Grown Diamond

Regular price From £240.00
Sale price From £240.00 Regular price
Unit price
0.90ct Cushion Lab Grown Diamond - IGI Certified IGI certified 0.90ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.00ct Cushion Lab Grown Diamond

Regular price From £260.00
Sale price From £260.00 Regular price
Unit price
1.00ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.00ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.10ct Cushion Lab Grown Diamond

Regular price From £300.00
Sale price From £300.00 Regular price
Unit price
1.10ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.10ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.20ct Cushion Lab Grown Diamond

Regular price From £320.00
Sale price From £320.00 Regular price
Unit price
1.20ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.20ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.30ct Cushion Lab Grown Diamond

Regular price From £340.00
Sale price From £340.00 Regular price
Unit price
1.30ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.30ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.40ct Cushion Lab Grown Diamond

Regular price From £360.00
Sale price From £360.00 Regular price
Unit price
1.40ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.40ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.50ct Cushion Lab Grown Diamond

Regular price From £380.00
Sale price From £380.00 Regular price
Unit price
1.50ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.50ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.60ct Cushion Lab Grown Diamond

Regular price From £400.00
Sale price From £400.00 Regular price
Unit price
1.60ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.60ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.70ct Cushion Lab Grown Diamond

Regular price From £410.00
Sale price From £410.00 Regular price
Unit price
1.70ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.70ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.80ct Cushion Lab Grown Diamond

Regular price From £430.00
Sale price From £430.00 Regular price
Unit price
1.80ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.80ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

1.90ct Cushion Lab Grown Diamond

Regular price From £480.00
Sale price From £480.00 Regular price
Unit price
1.90ct Cushion Lab Grown Diamond - IGI Certified IGI certified 1.90ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

2.00ct Cushion Lab Grown Diamond

Regular price From £530.00
Sale price From £530.00 Regular price
Unit price
2.00ct Cushion Lab Grown Diamond - IGI Certified IGI certified 2.00ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

2.20ct Cushion Lab Grown Diamond

Regular price From £570.00
Sale price From £570.00 Regular price
Unit price
2.20ct Cushion Lab Grown Diamond - IGI Certified IGI certified 2.20ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

2.50ct Cushion Lab Grown Diamond

Regular price From £650.00
Sale price From £650.00 Regular price
Unit price
2.50ct Cushion Lab Grown Diamond - IGI Certified IGI certified 2.50ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

3.00ct Cushion Lab Grown Diamond

Regular price From £770.00
Sale price From £770.00 Regular price
Unit price
3.00ct Cushion Lab Grown Diamond - IGI Certified IGI certified 3.00ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

3.50ct Cushion Lab Grown Diamond

Regular price From £960.00
Sale price From £960.00 Regular price
Unit price
3.50ct Cushion Lab Grown Diamond - IGI Certified IGI certified 3.50ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

4.00ct Cushion Lab Grown Diamond

Regular price From £2,070.00
Sale price From £2,070.00 Regular price
Unit price
4.00ct Cushion Lab Grown Diamond - IGI Certified IGI certified 4.00ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

4.50ct Cushion Lab Grown Diamond

Regular price From £3,500.00
Sale price From £3,500.00 Regular price
Unit price
4.50ct Cushion Lab Grown Diamond - IGI Certified IGI certified 4.50ct cushion lab grown diamond,...
Cushion cut lab grown diamond IGI certified - The Carat Club

5.00ct Cushion Lab Grown Diamond

Regular price From £4,500.00
Sale price From £4,500.00 Regular price
Unit price
5.00ct Cushion Lab Grown Diamond - IGI Certified IGI certified 5.00ct cushion lab grown diamond,...
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