Mini birthstone dog tag charm necklace. Light rectangle chain, laser cut ball chain, or 1mm ball chain. Measures approximately 16" plus a 2" extender chain. Lobster claw clasp. Sterling silver plated in 14k yellow gold. Made in NYC. Guide: January - Garnet February - Amethyst March - Aquamarine April - White Sapphire May - Enhanced Emerald June - Pearl July - Enhanced Ruby August - Peridot September - Enhanced Sapphire October - Opal November - Citrine December - Turquoise