Round Cut Engagement Rings | Lab-Grown Diamonds | Kate & Kole

The round brilliant cut is the world’s most beloved diamond shape — and for good reason. With a shape designed to maximise light return, it delivers an unmatched sparkle that catches every eye and suits every hand.

Explore our collection of round brilliant engagement rings, available as ready-to-wear styles or made to order in our Newcastle studio. Each ring is crafted with ethically sourced lab-grown diamonds and recycled precious metals, combining timeless beauty with conscious design.