Add eye-catching color to your casual or dressy attire with these lab-created opal solitaire stud earrings - a simple design with many style possibilities. Crafted in 14k gold each earring glistens with a 9. 0mm iridescent lab-created opal cabochon. Opal is the traditional birthstone for october and embodies long and lasting love. These post earrings secure comfortably with friction backs.