Glowing Simulated Blue Zircon is accompanied by a sparkling Diamond in this gorgeous birthstone pendant. Set in 10k/14k Yellow Gold, this pendant is perfect for any December baby. Please note that this pendant does not come with a chain. Our pendants are proudly handcrafted in our California factory. Blue Zircon is one of the birthstones for the month of December and is known for its energies in Success, Love and Happiness. Diamond is the birthstone for the month of April and is known for its energies in Protection and Power.