Pearl Halo Stud Earring - Flat Back (Single)A tiny UFO of black diamonds and a single precious pearl. Beaded detail make this piece feel very personal. Mix and match with gold studs for just a hint of luxury. How to wear: Insert the flat back tube into the back of your ear and fasten it in place with the stud itself. Give it a little push to make sure it's properly closed, the slight bend in the post will create tension to keep it secure. To take them off, gently twist each half in opposite