Chain markings ⇒ K18, pt850, and the brand mark of Jewelry Maki. Head markings ⇒ K18, pt900, 0.256 Total weight ⇒ Approximately 7.1 grams Chain length ⇒ Approximately 41 cm Head size ⇒ Approximately 16 mm (length) x 7 mm (width) x 3.5 mm (thickness) Other ⇒ When viewed with the naked eye, the diamonds are colorless, transparent, and sparkle. Thank you for viewing. Accessories... Box