Check the listing for details. 14K Solid White Gold Heart Stud Earrings Birthstone 3MM X 3MM. Condition: New with tags. Listed at 60.48 USD. This is 14K Solid White Gold Heart Bezel 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.