Birthstone necklace: Get a beautiful Philip Jones birthstone necklace. 12 options: Choose your birth month for a necklace that is personal to you. Zircondia crystals: Features beautiful Zircondia crystals! Design: A round crystal on a silver-tone chain. Size: Pendant 14mm x 8.5mm, chain length 43cm + 5cm extender. Presentation: Presented in a gift pouch with a personalised birth month quote card. Crystal Birthstone Necklace | Silver | Living Social