Cathy Waterman, whose high jewellery is worn by the likes of Michelle Obama and Taylor Swift, creates luxury jewellery with a deeply romantic look.
Non-diamond engagement rings open up a whole new world of possibilities, but which gemstones will stand up to daily wear and tear?
White sapphire engagement ring
Cathy Waterman
$ 3,880
Black Diamond Lace Edge engagement ring
£ 5,335