Look radiant in ruby with the 14K. Solid Gold Necklace with Diamonds and Ruby. This necklace is long on elegance. Measuring 0.24-inches wide and 1.82-inches high and hanging from a 18-inch chain, the design of the diamond and ruby pendant draws the eye up and down vertically, flattering the neckline of its wearer. The pendant is made up of a gorgeous teardrop-shaped red ruby hanging from a long wavy bar that is decorated with diamonds. ***This pendant is set with a natural ruby, which is not lab enhanced. Therefore, the ruby may have some visible inclusions, giving each gemstone its own unique appearance.