Sterling Silver 18K Rose Gold Plated Ruby Red Cubic Zirconia Cluster Pear-Shaped Stud Earrings. Add a bouquet of incredible color with these brightly polished sterling silver 18K rose gold plated stud earrings. Mixed-cut ruby red (July Birthstone) cubic zirconias create a dazzling raindrop pear-shaped cluster. Butterfly backs keep these uniquely beautiful earrings secure. Select these sophisticated studs as a gift or treat yourself. Measurement 15.79mm 2 Butterfly clasp Polished finish Imported Product Specifications 15.79mm Material & Care Sterling silver Clean with a soft cloth.