Crossover Halo Diamond Engagement Ring 14K White Gold 389A14K White Gold . 42cttw Crossover Round Halo Diamond Engagement Ring. This classically sophisticated style ring features . 42cttw of round diamonds pave set in a crossover style that flows into a round halo. This stylish design will wonderfully accent a 1ct round brilliant center diamond set in a 4 prong head. All accent diamonds are F G in color and SI in clarity. Also available in yellow or rose gold, and platinum, either two tone or single metal