IGI Certified Cushion Lab Grown Diamonds (All)

IGI certified lab grown cushion diamonds supplied in the UK for engagement rings, bespoke jewellery and custom design work. Loose lab grown cushion diamonds graded by IGI, selected for exceptional cut, precision and symmetry.

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4.00ct Blue Cushion Lab Grown Diamond - The Carat Club

1.00ct Blue Cushion Lab Grown Diamond

Regular price £360.00
Sale price £360.00 Regular price
Unit price
1.00ct Blue Cushion Lab Grown Diamond - IGI Certified IGI certified 1.00ct fancy vivid blue...
4.00ct Blue Elongated Cushion Lab Grown Diamond - The Carat Club

1.00ct Blue Elongated Cushion Lab Grown Diamond

Regular price £360.00
Sale price £360.00 Regular price
Unit price
1.00ct Blue Elongated Cushion Lab Grown Diamond - IGI Certified IGI certified 1.00ct fancy vivid...
4.00ct Blue Cushion Lab Grown Diamond - The Carat Club

1.50ct Blue Cushion Lab Grown Diamond

Regular price £480.00
Sale price £480.00 Regular price
Unit price
1.50ct Blue Cushion Lab Grown Diamond - IGI Certified IGI certified 1.50ct fancy vivid blue...
4.00ct Blue Elongated Cushion Lab Grown Diamond - The Carat Club

1.50ct Blue Elongated Cushion Lab Grown Diamond

Regular price £480.00
Sale price £480.00 Regular price
Unit price
1.50ct Blue Elongated Cushion Lab Grown Diamond - IGI Certified IGI certified 1.50ct fancy vivid...
4.00ct Blue Cushion Lab Grown Diamond - The Carat Club

2.00ct Blue Cushion Lab Grown Diamond

Regular price £720.00
Sale price £720.00 Regular price
Unit price
2.00ct Blue Cushion Lab Grown Diamond - IGI Certified IGI certified 2.00ct fancy vivid blue...
4.00ct Blue Elongated Cushion Lab Grown Diamond - The Carat Club

2.00ct Blue Elongated Cushion Lab Grown Diamond

Regular price £720.00
Sale price £720.00 Regular price
Unit price
2.00ct Blue Elongated Cushion Lab Grown Diamond - IGI Certified IGI certified 2.00ct fancy vivid...
4.00ct Blue Cushion Lab Grown Diamond - The Carat Club

2.50ct Blue Cushion Lab Grown Diamond

Regular price £840.00
Sale price £840.00 Regular price
Unit price
2.50ct Blue Cushion Lab Grown Diamond - IGI Certified IGI certified 2.50ct fancy vivid blue...
4.00ct Blue Elongated Cushion Lab Grown Diamond - The Carat Club

2.50ct Blue Elongated Cushion Lab Grown Diamond

Regular price £840.00
Sale price £840.00 Regular price
Unit price
2.50ct Blue Elongated Cushion Lab Grown Diamond - IGI Certified IGI certified 2.50ct fancy vivid...
4.00ct Blue Cushion Lab Grown Diamond - The Carat Club

3.00ct Blue Cushion Lab Grown Diamond

Regular price £960.00
Sale price £960.00 Regular price
Unit price
3.00ct Blue Cushion Lab Grown Diamond - IGI Certified IGI certified 3.00ct fancy vivid blue...
4.00ct Blue Elongated Cushion Lab Grown Diamond - The Carat Club

3.00ct Blue Elongated Cushion Lab Grown Diamond

Regular price £960.00
Sale price £960.00 Regular price
Unit price
3.00ct Blue Elongated Cushion Lab Grown Diamond - IGI Certified IGI certified 3.00ct fancy vivid...
4.00ct Blue Cushion Lab Grown Diamond - The Carat Club

4.00ct Blue Cushion Lab Grown Diamond

Regular price £1,680.00
Sale price £1,680.00 Regular price
Unit price
4.00ct Blue Cushion Lab Grown Diamond - IGI Certified IGI certified 4.00ct fancy vivid blue...
4.00ct Blue Elongated Cushion Lab Grown Diamond - The Carat Club

4.00ct Blue Elongated Cushion Lab Grown Diamond

Regular price £1,680.00
Sale price £1,680.00 Regular price
Unit price
4.00ct Blue Elongated Cushion Lab Grown Diamond - IGI Certified IGI certified 4.00ct fancy vivid...
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IGI Certified

Lab Grown Diamonds

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Diamond Guide

Cushion Cut Diamond Guide

Explore what makes Cushion cuts so distinctive — from their soft, romantic shape to their brilliant sparkle and timeless appeal. Discover how they compare to other diamond shapes, what to look for in cut quality, and how to choose the best lab grown Cushion diamond for your budget.

Cushion Cut Guide