This Art Nouveau style diamond engagement ring brings to mind the whipped peaks of soft ice cream with caramel drizzled on top. The 18k royal yellow gold band of this antique style engagement ring is carved in a swirling pattern. At its summit, the engagement ring cradles a round brilliant cut diamond that weighs 0.31 carats. The color of the center diamond is N and the clarity is SI2. This new diamond engagement ring is crafted in the Art Nouveau style.