According to Jessie Thomas, founder of Jessie Thomas Jewellery, “Oval and emerald-cut stones set ... and features a striking blue sapphire stone surrounded by 14 solitaire diamonds set in ...

Queen Camilla's five-carat emerald-cut ... owns the most expensive ring: Princess Diana's iconic 12-carat oval-cut Ceylon blue sapphire, surrounded by 14 round-cut solitaire diamonds, all set ...