Preset engagement rings, enhanced by the flamboyance of shimmering diamonds , are much sought after due to their charming designs. This Diamond Engagement Ring Showcases An Antique Inspired Engraved Design With A Classic Millgrain Finish. Here is a vast selection of diamond rings to satisfy the fickle female mind, ranging from classic vintage engagement rings or halo engagement rings to chic split shank engagement rings or middle stone engagement rings.