Find your perfect style with this onyx and cubic zirconia jewelry set. Click on this JEWELRY & WATCHES GUIDE to learn about fit, styles, materials and more! - https://www.kohls.com/feature/jewelry-guide.jsp.. 2-piece set includes necklace and earrings, Base material: sterling silver, Plating: rhodium, Finish: polished, Packaging: boxed, Additional details: nickel free. NECKLACE DETAILS. Length: 18 in., Drop length: 1.15 in., Chain type: rope, Clasp: spring-ring. EARRING DETAILS. Backings: post, Length: 0.75". STONE DETAILS. Type: onyx, Center stone size: 8 mm x 8 mm, Shape: round, Setting: glue/epoxy, pave. Gemstones may have been treated to enhance their appearance. Special care may be required. Size: 18". Color: Green Jade. Gender: female. Age Group: adult.