This set is the most beautiful shade of blue. The crystals have such depth and are as clear as the sea. I am not sure of a couple of details. First if the crystals are glass or a real natural stone. I do not see bubbles under the surface. Secondly this set is marked Sterling with the initials AG in a box. From my research I found a designer Borge Alexis Godtbergsen from Copenhagen who used the signature from 1940 to 1987. If this is the right individual he made exquisite pieces. The large pin/pendant is 3" by 2" and the matching clip earrings are 3/4". I have kept the set together as I love the set.