This is a wide genuine 5x7mm opal & crystal gold-tone ring purchased as part of the Ronté of Beverly Hills opal collection. The opal is opalescent with pink & is accented by five crystals on each side. The shank is 13.5mm at the top with the crystals, & 4mm at the bottom, & highlighted with grooves on the sides. The ring was marked as size 7, but I measured it as size 6-3/4. Opal has been regarded as the luckiest and most magical of all gems.