This is a vintage curb link chain necklace, it is crafted from 18k yellow gold and has a 5mm wide chain with a large pendant in the center with a Roman copper coin depicting a Ceasar, the coin is set in a round polished gold frame with a fancy outer frame set with round cut diamonds, all a total weight of 60 points. The necklace secures with a push in box clasp and latch for a more secure wear. It has the 750 metal content stamp.Material: 18k yellow gold and copperMeasurement: 17" long x 5mm widePendant: 1.20" tall x 1.32" wide x 0.25" highDiamond: 0.60 total carat weight Color: G Clarity: VS1Weight: 77.1 grams