New K18 frame (hallmark) purchased in France. Onyx with black acrylic processing on the surface, with a transparent stone. Pendant top. Photos taken and stored for a period, so listed at a bargain price. Color: Black, Gold, Transparent stone Material: K18 (18 karat gold) Approximately total weight 1.0g Size: 21mm x 8mm x 3mm Decoration: Onyx, Acrylic resin, K18 frame with hallmark Please consider this vintage design, which has value as a jewel and is favored by the French. Regarding the current market prices of 24K and K18 gold: I check the prices every month, and the price of gold has slightly increased, so please use this information as a reference. According to Tanaka Kikinzoku's announcement, the selling price of K24 gold is as follows: February 20th, 1 gram of 24K gold is 27,610 yen. If you calculate 75% for 18K gold, it would be 20,708 yen per gram. Please use this as a reference.