Valentine’s day is quick approaching. Inside sock drawers around the globe, males (and some ladies) might be hiding rings supposed to convey their eternal love. Since De Beers, the world’s main diamond firm, ingeniously introduced that “diamonds are without end” within the Nineteen Forties, most engagement rings have included a diamond—and an costly one at that. The common American will spend $5,000 on the band for his or her proposal.