Straightforward in design and unmatched in colour, these cushion-cut, lab-created opal stud earrings are ideal for everyday wear. The shimmering. Luminescent brilliance of the 6. 0mm gemstones shines brightly, as they are cradled in four-prong settings. The earrings rest on 10k white gold posts, securing with friction backs. These earrings are a thoughtful gift for the october birthday girl.