Jewelry Trends Sterling Silver Created Opal Butterfly Ring Whole Sizes 5 - 9 .925 Sterling Silver with a highly polished rhodium-plated finish Adorned with lab created blue opals; Approximate stone measurements: 4.5 mm wide x 7.8 mm long Band dimensions: 2.5 mm wide Ring setting dimensions: 11.3 mm wide x 18.2 mm long Complimentary gift box included