Just as your lives will forever be intertwined from this day forth, her engagement ring and wedding band should form a single, beautiful, unified whole. When you ask her to share her life with you, present her with a 14k gold marquise engagement ring accompanied by channel-set round diamonds. Complete the ring on your wedding day, adding a corrseponding wedding band with six prong-set round diamonds that bring the total diamond weight to a breathtaking 2 cts.