.40 Marquise Cognac Diamond Engagement Ring 14kThis 14K yellow gold engagement ring features a . 40 carat marquise cut cognac diamond surrounded by twelve round brilliant cut diamonds totaling . 24 carats. The center stone shows champagne color with VS2 clarity, meaning it's very clean with only minor inclusions visible under magnification. The marquise cut creates an elongated shape that makes the finger appear longer, and the cognac color gives it warm brown tones that pair naturally with yellow