10k Rose Gold 1/10cttw Diamond Crossover Stackable Ring. The perfect April birthstone ring, mothers ring, wedding band or stackable ring, this 10 karat rose gold band has a criss-cross style with .10cttw of round diamonds and polished 10K rose gold going 1/3rd around the ring. All birthstone rings and mother's rings are available in all birthstones. Looks great worn alone, or as a stackable ring. Also available in white and yellow gold.