New/Never Worn-Opal and White Sapphire Pendant and Earring Set from Zales Jewelers. This luminous pendant and stud earrings set is crafted in sterling silver with 18K rose gold plate, the pendant features a 6.0mm lab-created iridescent opal lined with a halo frame of lab-created white sapphires. The pendant suspends along an 18.0-inch rope chain that secures with a spring-ring clasp. The coordinating earrings - each with a 5.0mm created opal and created white sapphire halo - secure comfortably with friction backs. Buffed to a brilliant luster, this sparkling ensemble is beautifully boxed and ready for giving.