Cushion Cut Lab Grown Gemstone Engagement Rings
Cushion-cut coloured gemstone engagement rings pair softly rounded corners with square or gently rectangular centres. Discover lab-grown blue sapphires, emeralds, rubies and pink sapphire tones in platinum and gold, framed by solitaires, halos and decorative shoulders. The cut's generous outline can make colour particularly expressive, with the facet pattern adding character to every stone.
Choosing a Cushion Cut Gemstone Engagement Ring
A cushion cut brings softened corners and a gently square or rectangular outline to a coloured gemstone. It can make a sapphire or ruby feel classic and romantic while giving the stone plenty of visual presence.
Compare the corners and proportions
Look at whether the cushion is almost square or slightly longer, and consider how its facet arrangement displays the centre colour. A pale pink sapphire can feel delicate in a fine setting, while a deep blue or ruby centre creates a stronger contrast. The metal matters too: yellow or rose gold brings warmth, while platinum provides a cooler frame.
Compare the colour in square and elongated cushions
Cushion cuts vary in their outline, and a gently elongated centre may give a very different impression from a squarer stone of comparable weight. The facet pattern also affects how the gemstone's colour appears as it moves. Try the stone against the metal you intend to choose, especially if it is a pale sapphire or a deeper emerald-green shade. A halo can accentuate the rounded corners without losing their softness.
A solitaire keeps the cushion shape clear; a halo widens the outline and adds white sparkle. Check the placement of the claws and whether the basket allows the ring to sit comfortably beside a wedding band. If you prefer a more pronounced rectangle, browse our elongated cushion gemstone rings.
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
Cushion 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.
Cushion Cut Lab Grown Gemstone Engagement Rings FAQs
What proportions matter most for cushion coloured gemstone engagement rings?
Cushion-cut gemstones have softened corners and can be nearly square or gently rectangular. We'd compare the exact measurements and, especially, how the cut presents the stone's colour. A deeper-hued sapphire may appear quite different from a pale pink one even at the same nominal size. The right proportions are the ones that feel balanced on the hand, rather than simply the heaviest option.
How can I compare different facet patterns in a cushion-cut coloured gemstone centre stone?
Some cushion cuts create broader flashes of light, while others give a finer, more textured appearance. With coloured gemstones, the faceting also affects where colour appears strongest or darkest. We'd suggest looking at the actual centre in motion under more than one light source. That makes it easier to judge whether the stone has the sparkle and colour character you're hoping for, without relying only on the cut name.
Which settings suit a cushion coloured gemstone ring?
A cushion gemstone can feel softly classic in a solitaire, or more elaborate when framed by a halo. A bezel gives the rounded square a different, more defined metal outline. We'd compare the full setting width as well as the centre dimensions, then look at how the mounting protects the gemstone's corners. For an everyday ring, we'd also consider the wearer's activities and wedding-band fit.