Browse our stunning selection of round cluster diamond engagement rings. With any diamond cut, a cluster ring will catch the light beautifully and look incredible on the finger due to the pattern of diamonds. However, it will look particularly radiant with a round cut diamond which has 58 facets and is naturally brilliant – the most popular diamond shape. Shop our entire selection and enjoy free shipping on all qualifying orders as well as a 30 day return policy. Or, bring your partner’s dream ring to life with our bespoke design service.