K18 blue topaz necklace. Brand new, unused. Retail price: 45,000 yen. The material is K18 yellow gold for the clasp, two balls, and the top. The stone in the chain is unknown. The length is approximately 40cm. The top has one blue topaz, weight unknown. The size is approximately 17mm from the top of the pendant to the bottom, and approximately 8mm wide. Weight is approximately 5.56g. This is a simple design blue topaz necklace. The chain is made of power stones, and there are two balls just above the top, which is a nice accent. The whole necklace has a pale blue color, giving it a cool and beautiful look.