Here, 30 stunning opal engagement rings for the unconventional ... One of a kind diamond tennis opal ring in 18K gold, $5,790, ireneneuwirth.com. Micro pave diamonds surrounding this pear-shaped ...

Even better, you could mix metals, stacking the same ring in rose gold or yellow ... a diamond and an opal in a sweet, unexpected design. Adding a little color to an engagement ring is always ...

this beautiful opal and diamond ring from Wwake proves you don't need to spend thousands to have a dreamy engagement ring. The curve of pave diamonds on this 18k gold band is inspired by Pegeen ...

If anyone has the power to dethrone classic diamonds as the go-to for engagement rings ... feature a large oval-shaped opal stone in the center, and each white-gold band is also covered in ...