These are paraiba blue faceted quartz on a sterling ball earwire. 

If you desire leverbacks please choose the upgrade. These can also be done in gold filled wire and 14k earwires. I will know which metal you want when you choose your earwire preference. The size of the entire earrings is about 7/8 " long. The stone size is about 8-9 mm.

Other available colors are shown. They are listed separately on the site. This listing is for one pair of the color shown in the first picture only. 

Your earrings will arrive beautifully gift boxed.