Introducing the Lumina Necklace Set, a testament to personalized elegance. This refined set features a dainty gold-filled chain that serves as the foundation for a customizable selection of birthstone pendants, each representing a different month of the year. Choose a stone that holds personal significance, whether it's your birth month, a loved one's, or simply a gem that resonates with you. The Lumina Necklace Set is designed to layer beautifully, allowing you to combine multiple meaningful stones in a symphony of color and sparkle. Birthstone dimension: 4mm x 6mm; Cable chain is 18 inch long with 2 inch extender; Figaro chain is 18 inch long. Materials: 14k gold-filled. Hypoallergenic, nickel, and lead-free; Tarnish resistant. Birthstones: January - Garnet February - Amethyst March - Aquamarine April - Moissanite May - Emerald June - Moonstone / Alexandrite July - Ruby August - Peridot September - Sapphire October - Opal / Pink Tourmaline November - Citrine December - Turquoise / Blue Topaz