The frenzy over Pomellato reached a fever pitch outside of Italy in 2001 with the advent of the Nudo, a weighty gold ring with a huge faceted colored stone set like a diamond solitaire.

WSJ: The Cult of Pomellato | Jewelry

After a series of what-would you-do-if questions, replete with game-show invoking bells and whistles, users are matched with an ideal mate avatar and corresponding Tacori engagement ring suggestion (mine was ivy-leaguer Jack Calloway on bended knee with a square-cut diamond solitaire).

FORBES: Tacori, David Yurman Use Facebook To Spread Valentine's Day Love