IGI Certified Portuguese Lab Grown Diamonds
IGI certified lab grown portuguese diamonds supplied in the UK for engagement rings, bespoke jewellery and custom design work. Loose lab grown portuguese diamonds graded by IGI, selected for exceptional cut, precision and symmetry.
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Diamond Guide
Portuguese Cut Diamond Guide
Explore what makes Portuguese cut diamonds so distinctive — from their intricate multi-facet brilliance and intense sparkle to their unique, light-filled “crushed ice” appearance. Discover how they compare to other diamond shapes, what to look for in cut quality and light performance, and how to choose the best lab grown Portuguese cut diamond for your budget.