Rebecca Collins Sterling Silver Two Stone Clip-On Earrings. The length of the earrings is approximately 1 1/4 inches. The width of the top stone is 1 inch and the bottom stone is 3/4 inches. The collective weight of the earrings is 24.2 grams and 12.4 grams individually.

The back of the earrings are stamped but hard to identify what is says. 

C-LB-012339974