Choosing an Asscher Cut Lab Diamond Ring

An Asscher cut lab diamond is a square step cut with cropped corners and a distinctive pattern of concentric facets. It catches light in broader, measured flashes rather than the lively scintillation associated with a round brilliant. This makes it a particularly interesting choice for those who appreciate clear lines and architectural jewellery.

Compare the centre of the stone

Look at how evenly the steps sit around the diamond and how the central facets appear in different lighting. Because step cuts tend to reveal inclusions more readily, read the grading report carefully and examine images of the individual stone. Its face-up dimensions and depth also affect its presence on the hand.

Inspect the cut's depth and clarity

Asscher cuts can be beautifully architectural, yet their broad steps offer less visual camouflage for inclusions. Examine the grading report alongside photographs of the actual stone, paying attention to the central step pattern and overall symmetry. The stone may appear smaller face-up than some brilliant cuts of the same weight because of its depth. Judge its measurements on the finger rather than relying on the carat number.

A slender solitaire band provides a restrained setting; a trilogy can bring a contrasting cut on either side. Check the cropped corner protection and setting height if you plan to pair it with a wedding band. Compare with our broader Asscher engagement rings collection.

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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.

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Asscher Cut Lab Diamond Engagement Rings FAQs

What proportions matter most for Asscher cut lab-grown diamond engagement rings?

An Asscher-cut lab-grown diamond is square with clipped corners and a distinctive series of stepped facets. Its charm comes from the geometric, almost architectural pattern of reflections rather than brilliant-cut sparkle. We'd compare the symmetry and actual face-up dimensions of individual stones, because a diamond's carat weight won't tell you everything about the size you see on the hand.

Why can inclusions be easier to see in an Asscher-cut lab-grown diamond centre stone?

Asscher cuts have relatively open facets, which can make certain inclusions easier to notice than in a brilliant cut. We'd recommend looking at the individual diamond at a natural viewing distance, not simply choosing the highest clarity grade on paper. Symmetry, colour and the appearance of the central step pattern also deserve attention. A rotating video can reveal differences between two otherwise similar reports.

Which settings suit an Asscher cut lab-grown diamond ring?

A fine solitaire allows the Asscher's square geometry to stand out, while a bezel creates an especially defined metal outline. A halo will make the full ring appear broader and more decorative. We'd compare how the setting frames the cropped corners and whether its side profile works with the intended wedding band. Even small changes in claw shape can noticeably alter the character of an Asscher design.

Need help choosing your jewellery?

Our jewellery specialists would be delighted to help you compare designs at our London or Manchester showrooms, or in a virtual consultation.

Book an appointment