Pear

Hands up if you love a pear. For a while it has been the celebrity ring shape of choice – see Sophie Turner, Avril Lavigne, Ariana Grande and Victoria Beckham (although to be fair she has 14 engagement rings). The cut is a hybrid of half oval and half marquise and its spread – or surface area – means it gives good sparkle.

Of all the big brands Chaumet owns the pear – it made several pieces for Napoleon’s wife, Empress Joséphine, that used the cut, and have never really stopped using it since then. Other jewellers to note include Nadine Aysoy, who mixes a sapphire pear with a chunky chain, and London brand Harvey Owen, which takes sapphires in a variety of cuts (pear