0.09-0.12 Cts of 2.50-3.00 mm AA Round Black Diamond Mens Stud Earring in 14K Yellow Gold-Screw Backs Great gift for an April born. The round 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 You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!