Why are round diamond engagement rings more expensive than other shapes?

Round diamonds command a premium because approximately 50% of the rough stone is lost during cutting to achieve optimal light performance. This higher material waste, combined with overwhelming demand, makes round brilliants the most expensive shape per carat.

What is the ideal carat size for a round diamond engagement ring?

The most popular carat weight for round diamond engagement rings is 1.0ct, which measures approximately 6.5mm in diameter. For maximum value, consider 0.90–0.99ct stones — they appear virtually identical to 1ct but can cost 10–15% less.

What is the difference between side stone and halo engagement rings?

Side stone rings have small diamonds along the band but not surrounding the centre stone. Halo rings have a complete frame of diamonds around the centre. Side stone designs offer extra sparkle with a cleaner, more streamlined look.

Why are round diamond engagement rings more expensive than other shapes?

Round diamonds command a premium because approximately 50% of the rough stone is lost during cutting to achieve optimal light performance. This higher material waste, combined with overwhelming demand, makes round brilliants the most expensive shape per carat.

What is the ideal carat size for a round diamond engagement ring?

The most popular carat weight for round diamond engagement rings is 1.0ct, which measures approximately 6.5mm in diameter. For maximum value, consider 0.90–0.99ct stones — they appear virtually identical to 1ct but can cost 10–15% less.

What is the difference between side stone and halo engagement rings?

Side stone rings have small diamonds along the band but not surrounding the centre stone. Halo rings have a complete frame of diamonds around the centre. Side stone designs offer extra sparkle with a cleaner, more streamlined look.

Round Brilliant Side Stone Engagement Rings

143 handcrafted designs · Hatton Garden, London

A round brilliant with pavé or channel-set side stones creates a continuous line of sparkle from shank to crown. The side diamonds add brilliance without competing with the centre stone, enhancing the round's natural fire.

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.