Radiant Cut Natural Diamond Halo Engagement Rings Under £4,000

Natural diamonds are formed 150–200km below the Earth's surface under extreme heat and pressure over 1–3 billion years. Each natural diamond is unique — a one-of-a-kind creation of nature. For those who value rarity, tradition, and the knowledge that their diamond is a geological marvel billions of years in the making, a natural diamond is the ultimate choice.

The radiant cut combines the elegant shape of an emerald with the brilliant-cut faceting of a round, producing exceptional fire in a rectangular or square silhouette. Its cropped corners give it a distinctive look that is both modern and versatile, while its faceting pattern hides inclusions well.

Under £4,000, natural diamond engagement rings become a strong option — 0.7ct to 1ct stones in classic solitaire or elegant halo settings. Lab-grown opens the door to 1.5ct–2ct showpieces.

Halo rings with a 1ct natural diamond start from £4,416

Natural diamonds at 1ct are priced from £2,386 for the diamond alone. Combined with a halo setting, the total exceeds your £4,000 budget.

Need help finding the perfect ring? Book a free consultation — our experts can work with any budget.

Pricing Guide

Radiant Diamond Price Guide

0.50ct

Ring from

£2,928

0.70ct

Ring from

£3,172

1ct

Ring from

£4,216

1.50ct

Ring from

£6,786

2ct

Ring from

£12,846

Radiant diamond prices updated daily. Book a free consultation to see diamonds in person at our Hatton Garden atelier.

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Radiant cut engagement rings are a flawless combination of rectangular elegance with softened edges and brilliant-cut sparkle. A hybrid diamond shape, the radiant cut is a clever fusion of the step cut of the emerald and the brilliant cut of the round — delivering exceptional fire from every angle.

From solitaire to side stone settings, discover our radiant cut designs or create your own through our ring builder in 18kt white, yellow, or rose gold, or platinum.

Radiant Cut Natural Diamond Halo Engagement Rings Under £4,000 — FAQs

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