Blackened titanium, meteorite, and roughly textured silver and gold are among the novel materials finding their way into men’s jewelry designs. David Yurman (davidyurman.com) has given the classic signet ring a modern look by designing it with black titanium and lapis lazuli ($550) and black titanium and meteorite ($795). The faceted metal band ring ($475) and matching faceted metal cuff bracelet ($595) are also from David Yurman. Alishan (alishanonline.com) offers the palladium-silver-and-diamond ring ($1,070, bottom left), gold-and-silver bracelet ($1,815, third from right), and rose-gold-and-silver bracelet set with a diamond and a ruby ($2,925, second from right). From Todd Reed (toddreed.com) are the silver-and-black-jade ring ($8,140), silver-and-green-jade ring ($6,820), and silver-and-black-jade bracelet ($2,530, far right).