I bought a ring that has a emerald cut Green stone (I think real Emerald) and 12 Diamond accents... 6 on each side of the emerald. Inside the band it is marked CID... 14K... HDS... then it has 319 116 on the other side of the band. ANY IDEA ON WHAT THESE MEAN? I was told that the HDS is for Heltzberg Diamond Store and the CID is the makers mark but why would there be two makers marks? Any info would be greatly appreciated!! THANKS!!