The Signet Ring Is the One Ring to Rule Them All

Non-matrimonial rings are hard to pull off — sometimes literally. But that doesn’t mean all those made men weren’t into something. The best bet is a signet ring, especially if it’s made of an interesting material like glossy black, rose gold, speckled dinosaur bone, or calcite.

Sterling silver and silver calcite ring ($750) by John Hardy, at Holt Renfrew; sterling silver and dinosaur bone ring (from $720) by David Yurman; sterling silver and rose gold ring ($800) by Tom Wood, at Nordstrom; sterling silver ring ($370) by Thomas Sabo.