This is 14k White Gold Birthstone Flower Earring with Screw Back.

 This earrings are Hand Set with a Cubic Zirconia stone. The Width is 6.0 mm and height is 10.0 mm in diameter. The post length is 8 mm and the pair weight approximate 0.7 gram. This is a stud earrings with a screw back. 

All stones are in order according to months. 

January - Red color Garnet (Lab Corundum),

February - Purple color Amethyst (Cubic Zirconia),

March - Aqua color Aquamarine (Lab Spinel),

April - Clear color Diamond (Cubic Zirconia),

May - Green color Emerald (Cubic Zirconia),

June - Lavender color Alexandrite (Lab Corundum),

July - Dark pink color Ruby (Lab Corundum),

August - Green light Peridot (Cubic Zirconia),

September - Blue Dark color Sapphire (Lab Spinel),

October - Pink color Pink Tourmaline (Cubic Zirconia),

November - Yellow color Topaz (Cubic Zirconia),

December - Blue color Zircon (Lab Spinel).

(stones sometimes can be little darker or little liter than on the picture).

    This pair of earrings comes with a free gift box (colors of gift box will be chosen randomly).