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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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.