Unique Ruby diamond chain necklace Gross Weight 9 gms 18k Gold Diamond .74 carats Natural Cut heat treated Ruby 7 carats Beautiful Ruby Chain necklace with 5 Natural Cut Ruby Bezel set with diamonds around them. This necklace is great to wear by itself or layered. The Shape of Ruby Stonesz might be different. The Length and stones can be customized. You can order in Emerald, Tanzanite, Citrine, Amethyst or Topaz.