Tiffany & Co. has been selling the women’s solitaire diamond engagement ring since 1886. It only took 135 years for men to get their own version.

The Budget Pick: Mevecco evil eye ring, $12 The Luxury Upgrade: Cartier “Juste un clou” yellow gold ring, $132 The Past and Future Heirloom: Vintage 14k gold x tiger eye ring, $748 ...