1/9 (0.10-0.13) Cts of 2.50-3.00 mm Round Rose Cut AA Black Diamond Men's Stud Earring in 14K Yellow Gold Great men's gift option. The round rose-cut black diamond is AA quality securely prong-set in 14K Yellow Gold. AA grade black diamonds have a nice black color, are proportionately cut and have a fairly clean table that may show minor white spots or flaws. Matching stud available. 30 Day No questions asked Return Policy Free-Shipping within US April Birthstone/Men's Jewelry