22K gold vermeil seafoam green hydro studs (10mm top piece and 20mm bottom including the gold surround).  These are quite a chunky statement piece and the stones have a lovely translucent feel to them. Simple and stylish, once put on, you won't want to take them off...

Gold vermeil is when you plate over solid sterling silver, making these hypoallergenic earrings 100% nickel free so they shouldn't cause you any irritation.