Jewelry Box Included. Certified Genuine by the American Gemological Society Good- Very Good Cut, Round Brilliant Stone Shape, Screw Back, 4- Prong, 14K Gold Minimum Clarity I1-I2, Color M-N-O, accompanied by a certificate verifying color and clarity Made in the USA diamond earrings 60 Day Money Back Guarantee ensures your peace of mind. If our diamond stud earrings don??t take her breath away, for whatever reason, return them to us for a 100% refund of your purchase price. No questions and no quibbles.