You are looking at a vintage Lab-created opal and round cut diamond engagement ring.A perfect anniversary gift, birthday gift,wedding engagement ring. Ring Information Main Stone *Lab-created opal *7mm round cut *Weight:it's approx 1.5 ct. *Setting:8-prong Side Stone *0.3 carat natural diamond Metal * Solid 10k 14k &18k. *Color:white gold,yellow gold,rose gold. Custom Order *The main stone can be other gemstones you can imagine,any birthstone can be made.Please contact me if you need this se