Beyonce ($5 million)

If you’re Jay-Z, what do you do if you’re in love with Beyonce, but she already has lots of expensive jewelry? You get her a $5 million engagement ring, of course. Jay-Z and Beyonce had a long courtship, and kept the public speculating for years about whether or not they were dating. They got married at Jay-Z’s New York City apartment in 2008, but before they tied the knot, the rapper presented the songstress with a beautiful ring to ask for her hand in marriage. The engagement ring is 18 carats and the feature diamond is cut in an octagon shape. The diamond is considered very high quality and is regarded as premium stone. Beyonce doesn’t wear her ring often, but when she does, there are always some photographers on hand to capture its beauty