This is a diamond and ruby necklace. Chain length: Approximately 45cm Top size: Approximately 14.5mm x 9.0mm (including the bale) Markings: Top (Pt900, 0.46, 0.47), Chain (Pt850) Weight: Approximately 3.4g Accessories: None The ruby has a vivid red color and is very brilliant. There is an inclusion on the left side, but it does not seem to affect the brilliance. The diamonds are colorless and transparent, and are very brilliant. It has been polished for sale, so it is in beautiful condition with no particular problems. The case in the image is for another necklace and is not included.