Fire Opal Necklace Round White Opal Pendant, Minimalist Silver Solitaire Necklace, October Birthstone, Bridesmaids Gifts, Wedding Jewelry Dainty opal pendant necklace made with solid 925 sterling silver with rhodium to prevent tarnish and is accented with a round10cm lab created white opal that is also pave with clear CZ in the bail and comes with your choice of 16", 18" or 20" chain. Pendant measures about 2cm long. You will get your necklace in a jewelry box ready to give as a gift.