Lab Diamond Round Cut Engagement Rings

Perfectly Brilliant – Shop Lab Grown Round Cut Diamond Rings

A round cut engagement ring is the epitome of timeless elegance, offering unmatched brilliance and a classic appeal that has made it the most popular diamond shape for generations. Known for its exceptional sparkle and perfectly symmetrical design, the round brilliant cut maximizes light reflection, creating breathtaking fire and brilliance in every movement.

Our collection of lab-grown round diamonds combines traditional beauty with a modern, ethical approach, ensuring you receive a diamond of the highest quality while making a sustainable choice. Each lab diamond is meticulously cut to precise standards, allowing for maximum brilliance, clarity, and symmetry—qualities that make the round cut the most coveted diamond shape in the world.

Round cut engagement rings are incredibly versatile, complementing a wide variety of settings and metal choices. Whether set in a classic solitaire, an intricate halo design, or a vintage-inspired setting, the round cut remains a perfect choice for those who appreciate timeless beauty and enduring sophistication.

Available in platinum, white gold, yellow gold, and rose gold, our lab diamond round cut rings are crafted with expert precision to ensure a perfect balance of elegance and durability. Whether you’re drawn to a modern minimalist band or a romantic, vintage-style design, our collection offers the perfect round cut engagement ring to reflect your unique love story.

Discover the brilliance, fire, and ethical beauty of lab-grown round cut diamonds, and find the perfect ring to symbolize your forever.

2024 AWARD NOMINATIONS

Award Winning Jeweller

Proudly nominated for two of the UK's showcase London Jewellery awards.

We're thrilled to have been nominated for the 2024 Retail Team of The Year by The Retail Jewellery & Professional Jeweller awards committees, recognising our commitment to our customers and outstanding service levels

We are passionate about supporting good causes that make the world a better place

Giving Back

Lily Arkwright sponsors Manchester Film Festival

Manchester Film Festival

Lily Arkwright are thrilled to support Manchester Film Festival 2023 as this years lead partner. MFF showcases the very best UK & international...

Read more
Lily Arkwright Supports Unicef

Supporting Unicef

This year marks Lily Arkwright's 5th year of supporting Unicef during Black Friday building upon our successful 2019 Unicef Halloween Ball partner...

Read more
Lily Arkwright Supports Global Witness

Global Witness

Global Witness brings together the issues of human rights, corruption, the trade in natural resources, the role of banks, the arms trade, conflict...

Read more