The most expensive royal engagement ring belongs to Grace Kelly ... the same jeweler behind Princess Diana’s iconic sapphire ring, Fergie’s vibrant ring was reportedly valued at around $ ...

Kate Middleton's unique 12-carat sapphire — surrounded by diamonds ... James Packer broke the record for most expensive celebrity engagement ring in 2016 with a whopping 35-carat, emerald ...

He had proposed to Phoebe, who works as the global account development director at Freuds+ in New York, with a sapphire engagement ring, during a walk in Central Park, and the couple had a low-key ...

Kate Middleton's had an on-again, off-again relationship with her engagement ring for a year. What's the royal secret about ...

Recommended videoYou may also likeWATCH: Which royal has the most expensive engagement ring? According to fellow jeweller Ingle & Rhode, who have sadly now shut their doors, royal blue sapphires ...

Zara Tindall's engagement ring features ... The Princess of Wales owns the most expensive ring: Princess Diana's iconic 12-carat oval-cut Ceylon blue sapphire, surrounded by 14 round-cut solitaire ...

Featuring a five-carat emerald diamond surrounded by three baguette-cut diamonds on either side, The Queen's ring was actually never intended to be an engagement ring. In fact, per jeweler Taylor ...