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.

The thin silver chain features pearl-petal flowers with faceted opal and glass beads. It’s 14 inches long with a 3-inch extender and has a brass base and rhodium plating.

Both rings most prominently feature a large oval-shaped opal stone in the centre, and each white-gold band is also covered in seven diamonds of varying shapes in pink, green, and silver hues.