August Birthstone Earrings Light Green Colour Beautiful studs to celebrate your birth month or just pick the colour you love. These coloured Cubic Zirconia earrings give a great example of birthstone earrings. Each coloured stone is 6mm in diameter with a 3 claw settings. The studs are made with 925 sterling silver. January- Garnet February- Amethyst March- Aquamarine April- Diamond May- Emeralds June- Light purple July- Ruby August- Peridot September- Sapphire October- Pink November- Yellow Citrine December-Blue Zircon