Why distract from the astonishing clarity and beauty of diamond? Cool 18K white gold ensures that the prongs of these diamond solitaire stud earrings won't get in the way of diamond's natural brilliance. Each earring holds a single round diamond, together totaling 1/2 ct. The earrings come with a certificate that includes a photo and a description of the diamonds. The certificate guarantees quality and can be used for insurance purposes.