IGI Certified Dutch Marquise Step Cut Lab Grown Diamonds

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

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A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

0.50ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £480.00
Sale price £480.00 Regular price
Unit price
0.50ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 0.50ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

1.00ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £340.00
Sale price £340.00 Regular price
Unit price
1.00ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 1.00ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

1.20ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £560.00
Sale price £560.00 Regular price
Unit price
1.20ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 1.20ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

1.50ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £630.00
Sale price £630.00 Regular price
Unit price
1.50ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 1.50ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

2.00ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £720.00
Sale price £720.00 Regular price
Unit price
2.00ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 2.00ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

2.50ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £960.00
Sale price £960.00 Regular price
Unit price
2.50ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 2.50ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

3.00ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £1,200.00
Sale price £1,200.00 Regular price
Unit price
3.00ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 3.00ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

3.50ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £1,500.00
Sale price £1,500.00 Regular price
Unit price
3.50ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 3.50ct dutch...
A single step cut dutch marquise diamond centered on a white background, with an IGI certification mark in the lower right corner.

4.00ct Dutch Marquise Step Cut Lab Grown Diamond

Regular price £2,150.00
Sale price £2,150.00 Regular price
Unit price
4.00ct Dutch Marquise Step Cut Lab Grown Diamond - IGI Certified IGI certified 4.00ct dutch...
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IGI Certified

Lab Grown Diamonds

GIA Certified

Natural Diamonds
Marquise cut lab grown diamond loose stone

Diamond Guide

Marquise Cut Diamond Guide

Explore what makes Marquise cut diamonds so distinctive — from their elegant elongated shape and exceptional face-up size to their bold, regal silhouette and brilliant sparkle. Discover how they compare to other diamond shapes, what to look for in symmetry and proportions, and how to choose the best lab grown Marquise cut diamond for your budget.

Marquise Cut Guide