Uncover why diamond painting has become a trend, captivating hobbyists with a relaxing process and mosaic-like results.

Since De Beers, the world’s leading diamond company, ingeniously announced that “diamonds are forever” in the 1940s, most engagement rings have included a diamond—and an expensive one at that.

An exhibition at the Hammer Museum shows why. By Siddhartha Mitter A jury found them guilty of conspiring as part of a crew to steal art, sports memorabilia and artifacts from smaller museums.