Cushion Cut Lab Grown Diamond Engagement Rings

The cushion cut is a diamond shape with a rich heritage — its soft, rounded corners and broad facets have graced fine jewellery for over two centuries. Often described as a pillow shape, the traditional cushion cut sits squarely between vintage romance and modern refinement, offering a warmth and depth of light that feels distinctly different from sharper-edged shapes.

At The Jewel Concierge, every cushion cut lab grown diamond engagement ring is crafted to order in your choice of 14k or 18k yellow gold, white gold, rose gold, or platinum. Each ring begins with a certified lab grown diamond, selected for exceptional cut, colour, and clarity — then set into a design that draws out the shape's naturally soft, romantic character.

The traditional cushion cut's near-square proportions give it a grounded, centred presence on the finger. Its facet pattern produces larger, softer flashes of light — sometimes called a crushed-ice or broad-facet effect depending on the stone — which lends it a depth and character that many find more captivating than pure brilliance alone. It is a shape that invites closer looking.

Our cushion cut collection includes solitaire, halo, cathedral, and bezel settings, among others. You can also choose from a range of intricate design elements to further customise your ring — such as adding a hidden halo, a pavé bridge, a pavé band, and more. For those drawn to a more elongated silhouette, we also offer an elongated cushion cut collection with a distinctive stretched profile.

Every piece arrives with a lifetime warranty, complimentary ring resizing, complimentary engraving, and complimentary express insured shipping. If you would like guidance choosing the right cushion cut diamond or setting, our team is here — book a virtual consultation or begin your bespoke journey to design something entirely your own.

Explore our full range of lab grown diamond engagement rings or learn more about how to choose an engagement ring.

Frequently Asked Questions

What defines a traditional cushion cut diamond?

The traditional cushion cut has a near-square outline with gently rounded corners, giving it its characteristic pillow shape. Its broad facets produce larger, softer flashes of light compared to brilliant cuts like the round or oval. The shape has been a fixture of fine jewellery for over two hundred years, prized for its warmth, depth, and romantic sensibility.

What is the difference between a cushion cut and an elongated cushion cut?

The traditional cushion cut has a roughly square length-to-width ratio, giving it a compact, centred presence on the finger. The elongated cushion stretches that silhouette into a rectangular profile — offering a more contemporary, finger-flattering look while retaining the same soft corners and facet pattern. We offer both as separate collections so you can choose the proportion that suits your style.

What settings are available for cushion cut engagement rings at The Jewel Concierge?

Our cushion cut engagement rings are available in solitaire, halo, cathedral, and bezel settings, among others. You can also choose from a range of intricate design elements to further customise your ring — such as adding a hidden halo, a pavé bridge, a pavé band, and more. Each ring is crafted to order in 14k or 18k yellow gold, white gold, rose gold, or platinum.

Can I design a custom cushion cut engagement ring?

Absolutely. Our Bespoke Journey begins with a conversation — we take the time to understand your vision, preferences, and priorities, whether you have a clear idea or are still exploring. From there, we refine the design direction together and help you select a diamond that suits your brief. Once the design is finalised, we create a detailed CAD model for you to review and approve before crafting begins. The entire process typically takes six to eight weeks from design approval, at no additional cost. You can start by filling out our Bespoke Journey order form.