I was very disappointed when I received these earrings- they are 1 carat total weight diamond earrings, however they DO NOT come with a screw back as advertised. I thought it was too much of a risk to keep them. Also, they were a bit TOO BIG for my ears. I felt like they took up my entire lobe. Overall, they were big and beautiful, a great bargain for the number of diamonds, however they didn't have a screw back and were TOO big.