Kimberly McDonald One of a Kind Boulder Opal Ring with Pink Sapphire Bezel Set in 18K White Gold with Black Rhodium, $5,625; kimberlymcdonald.com ...

They may be rock solid, but they require proper care as water or harsh cleaners can easily cause damage to an opal ring. If you're ready for the responsibility of a less durable stone–after all ...

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