The opal stone's unique beauty makes it a great choice for the unconventional bride, or the couple looking for a less traditional engagement ring. Here, 45 stunning opal engagement rings.

Lauren Sánchez didn’t wear her pink diamond engagement ring down the aisle, but she did put it on display in her wedding ...

Failing to sell was the 37.30-carat “Raj Pink,” the world’s largest known fancy intense pink diamond. It has an estimate of $20 million - $30 million.