1/2 (0.46-0.55) Cts of 4.89-4.93 mm Round AA Black Diamond Mens Stud Earring in 14K Blackened White Gold The black diamond is AA quality; has a fine color, proportionate cut and fairly clean table, heated to enhance the color but is natural in origin. Black rhodium adds to the masculine appeal of the stud. Also available in screw backs and as a pair. The price is for a SINGLE Stud and not a pair. 30 Day No questions asked Return Policy Free-Shipping within US April Birthstone /Men's Jewelry / Men's Gift Idea / Men's Stud Earrings