Available in Sterling Silver or 18k Gold Vermeil. Please note this is the clip on version for un-pierced ears of our Small Gia Studs Measures ~ 0.5" diameterSterling Silver postHandmade in NYC  To verify that this style is in stock or to inquire about a custom order, please email customerservice@agmesnyc.com.  Also available with a post for pierced ears - Small Gia Studs