This vintage style unique gold setting is hand-engraved with ornate nature-inspired imagery and delicate milgrain on the top and sides of the gently tapered natural diamond band for a beautiful light-catching effect,surround by alexandrite and opal Gem info:7x9 mm Lab White Opal and Round cut natural blue topaz &lab-created opal Do Opals make good engagement ringsAs an engagement ring ,opals are a perfect representation of the unique spark and fire of your relationship, and their non-replicable nature is a huge draw for those that want a truly one-of-a-kindring .