The piece features a four-carat, cushion-cut teal sapphire with two cushion-cut diamonds on either side and a white diamond halo. Klum also had a colored-stone ring for her marriage to Seal.

“We have seen a huge increase in appetite both with our bespoke and ready to wear coloured stone rings, and it is no coincidence that when we launched our bridal collection last year it was the teal ...