Trending now - layering petite necklaces like our Cushion Cut Citrine & Diamond Birthstone Necklace. Crafted in 14K Gold for the contemporary woman to reflect everlasting charm and refinement. Birthstone Necklace for Women Metal - 14K Gold (White / Yellow) Gem Type - Cushion Cut Citrine Gemstone (0.26 CTTW) Diamonds - Natural Round Shape (0.04 CTTW) Diamond Color/Clarity - GH/SI1 Setting - Bezel with Milgrain Chain - 18 inch with jump rings at 16 & 17 inches.