Roberto Coin "Princess" .17ct t. w. Diamond Floral Station Necklace. 34". Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. From the "Princess" collection, this feminine necklace shows off detailed floral stations with .17 ct. t. w. diamonds, set in 18kt white and yellow gold. Inviting and demure, at 34" long, it's a gorgeous necklace to layer with your other favorites, or wear alone for a sophisticated stateme