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Round Brilliant Natural Diamond Side Stone Engagement Rings in Platinum Under £7,500

143 handcrafted designs · Hatton Garden, London

The natural round brilliant is the quintessential engagement ring diamond — the combination of geological rarity, unmatched brilliance, and timeless appeal. Formed over billions of years and cut to mathematical perfection, it is the choice for those who want nothing less than the original.

The round brilliant cut features 58 precisely arranged facets mathematically optimised to maximise light return, fire, and scintillation. Accounting for over 60% of all engagement rings sold worldwide, the round brilliant is the most researched and refined diamond shape in existence. Its symmetrical silhouette offers unmatched sparkle from every angle.

Pricing Guide

Round Diamond Price Guide

0.50ct

Ring from

£1,917

0.70ct

Ring from

£2,261

1ct

Ring from

£3,940

1.50ct

Ring from

£7,781

2ct

Ring from

£12,837

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

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Round Brilliant Natural Diamond Side Stone Engagement Rings in Platinum Under £7,500 — FAQs

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