10k Sapphire and Diamond Necklace measures 16" for the Chain. The pendant measures 5/8" high by 5/8" wide. There are 2 Small Diamonds and a Sapphire that measures 6.5mm by 6.5mm. It is stamped JCM 10k. I could not get a photo of it. It is in excellent condition.
10k Sapphire and Diamond Necklace