This 14K White Gold Diamond and Green Amethyst Horseshoe Necklace has .16 carats of round diamonds and 6.90 carats of Green Amethyst. The chain measure 16 inches. Brand: Jewelrycastle Design: Gemstone Occasion: Birthday Metal Stamp: 14 kt Diamond Color: G-J Diamond Clarity: I1 clarity Diamond Weight: 0.16 Gem Weight: 6.9