A chain is not included. Also, please note that the chain must be thin enough to pass through a pin-type chain. This is a pendant top made with a setting from Jewelry Valley using a Colombian emerald purchased from Garinpo. The emerald is approximately 3.7mm. The emerald is a yellow-green color. The photos were taken in cloudy indoor light, so they are close to the actual color. It is not an oil-free emerald, but it has a beautiful, vibrant color. It will be shipped via courier. Scratches/Discoloration, etc. ... None