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 ...

If you are someone with an active lifestyle but still want an opal for your engagement ring, have it set in a bezel style—this setting is the most secure way to sport (and protect) this gemstone.

This ring has a bezel-set black diamond in the center and a thin design that can stand alone or be worn with multiple rings. This ring features a half-carat set between sterling silver beads and ...