Mikimoto diamond trilogy necklace. Total length: approximately 40cm Head size: approximately 1.5cm (length) x 0.4cm (width) Measurements are approximate. Please allow for some error. Material: K18WG (18 karat white gold) Accessories: None. Box not included. Will be shipped via Post Mini. If you would like to change the shipping method, it will be accepted for an additional fee. Please let me know in the comments. To prevent product substitution, returns are not accepted. If you have any questions, please inquire before purchasing.