This is 14K Solid Yellow Gold Heart Stud Earrings Birthstone with Screw Back . The earrings are studs with screw back and the post length is 8.3 mm. This beautiful earrings with birthstone are measures 3x3mm. 

(Size of Screw Backs 3.5 mm (Diameter) x 3.4 mm(Hight).


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).

We guarantee that our product is 14K Gold.