This much desired necklace is comprised of oval natural amethysts set in 9k gold. The necklace length is 15 1/4 inches and the amethysts graduate in size. They range in size from 9mm by 12mm to21mm by 14mm. The colours are light to medium. There are no chips or cracks to any stones. Their is a hallmark but it is not readable. I have tested this using the acid test method and the gold is guaranteed 9k.Some of the amethysts have natural inclusions. C. 1880 and Continental.