18ct gold sapphire rings, September's birthstone bring instant polish to your look, whether you’re dressing up for a big event or adding something special to the everyday.The rich blue stone pairs beautifully with yellow or white gold, offering a bold contrast that’s equal parts classic and contemporary. These rings work just as well with a crisp shirt as they do with a velvet dress, making them a great choice for all occasions. Need a perfect fit? We offer resizing, cleaning and even engraving to make your 18ct gold rings truly yours. Plus, with 0% interest options and free delivery, finding your forever piece is easier than ever.