Princess Cut Lab Grown Gemstone Engagement Rings
Princess-cut coloured gemstone engagement rings showcase a crisp square centre with brilliant-style facets and sharply defined corners. Discover lab-grown yellow and blue sapphires, emeralds and other gemstones in platinum and gold, with settings from delicate solitaires to hidden halos and decorative shoulders. The cut's geometry creates a striking, contemporary frame for the selected stone's colour.
Choosing a Princess Cut Gemstone Engagement Ring
A princess cut gemstone gives colour a crisp square outline with pointed corners. The modern geometry can feel especially clean in a solitaire setting, while diamond-set shoulders add contrast around a coloured centre.
Consider the corners and cut pattern
Compare the balance of the square and the way the facets show the stone's colour in different light. A vibrant ruby or sapphire can look particularly graphic within white metal, whereas yellow gold creates warmth. The pointed corners should be held and protected appropriately; the practical setting choice may vary depending on the gemstone species.
Protect the corners without losing the square
Princess-cut gemstones have a strong, precise silhouette, but their pointed corners should be considered carefully in an everyday ring. Look at the claws or protective setting around each point and whether the metal interrupts the clean outline. White diamond shoulders can add detail without changing the square centre, while a plain band gives a more graphic result. Review the ring from the side to check the balance of the gallery.
Look at the ring from the side to see how high the centre sits and whether a wedding band can fit comfortably beside it. If you prefer similar geometry with softened corners, view our radiant cut gemstone engagement rings for comparison.
2026 Award Nominations
Award Winning Jeweller
We’re proud to be recognised consistently by the UK jewellery industry’s leading awards programmes. In 2026, Lily Arkwright has been shortlisted for Branded Boutique of the Year at the Professional Jeweller Awards and Bridal Jewellery Retailer of the Year at the UK Jewellery Awards, reflecting our continued commitment to exceptional customer service, product innovation, and ethical craftsmanship.
These latest nominations build on previous industry recognition, including being shortlisted for Bridal Jewellery Retailer of the Year at the 2025 UK Jewellery Awards and Independent Retailer of the Year at the Professional Jeweller Awards 2025. We were also finalists for Retail Team of the Year at both the Retail Jeweller Awards and Professional Jeweller Awards in 2024, recognising the passion, expertise, and dedication of our team.
We’re honoured to be recognised for helping thousands of couples find the perfect engagement rings and wedding rings, with a strong focus on choice, transparency, and personalisation. As an award-winning jeweller, we remain committed to delivering exceptional service, exceptional craftsmanship, and responsibly sourced lab-grown diamonds, moissanite, and natural diamonds, ensuring every customer can find a ring that perfectly reflects their love story.
GUIDES & INSPIRATION
Princess Cut Gemstone Rings: More to Explore
EXPERT, QUALIFIED ADVICE
Expert Coloured Gemstone Ring Advice
A coloured gemstone brings its own considerations, from hue and cut to how it looks in a solitaire or halo. Our jewellery consultants include JET-qualified specialists and colleagues progressing through the National Association of Jewellers' training pathway. They can help you compare sapphires, emeralds, rubies and alexandrites.
Explore your options at our Manchester or London showroom, or arrange a consultation online.
Princess Cut Lab Grown Gemstone Engagement Rings FAQs
What proportions matter most for princess cut coloured gemstone engagement rings?
Princess-cut coloured gemstones offer a crisp square outline with lively facets. We'd compare the stone's actual dimensions and how its colour appears across the square, as depth and cut can influence the face-up look. A princess-cut sapphire feels quite different from a princess-cut diamond, particularly in deeper shades. We'd recommend seeing the actual gemstone in the intended metal rather than deciding from shape alone.
How should the corners of a princess-cut coloured gemstone be protected?
The corners are the feature we'd pay particular attention to with a princess-cut gemstone. They can be more exposed to knocks, so a mounting that supports them thoughtfully is important. We'd examine the claws or bezel around all four points and consider the wearer's daily routine. With softer gemstones, that protection becomes even more relevant. A fine-looking setting can still be practical when the construction is appropriate.
Which settings suit a princess cut coloured gemstone ring?
A princess-cut gemstone works beautifully with a simple band if you want the square centre to stand out. A halo creates a broader outline, while a bezel gives the corners a continuous metal frame. We'd compare how much of the stone remains visible and how the setting height affects daily comfort. If a wedding band is part of the plan, check the two rings together rather than assume the square shape determines the fit.