Rocks Gold Collection 9ct Yellow Star Stud Earrings Decorated With White Cubic Zirconia Stones. These 9ct yellow gold cubic zirconia star stud earrings are perfect for everyday wear. A great size for anyone including young kids. Match them with a similar necklace bracelet or ring from our 'Rock Gold' Collection to complete your look or add some hoops to create a unique layering style of your own. Size: 6mm in diameter. Hallmarked in Dublin Castle Assay Office