This is an Akoya pearl baby pearl necklace, approximately 3.3-3.5mm in size. It has a very beautiful luster and shine. The clasp is K18 gold with an adjuster. Photos comparing it to a top-of-the-line MIKIMOTO piece in K18WG are also uploaded. You can see that it is a piece of comparable quality. (MIKIMOTO is not included.) The price of Akoya pearl baby pearls varies depending on the size and luster. (Items with small sizes and good luster are very expensive.) The size is approximately 41cm including the clasp, plus 5cm for the adjuster. The clasp is K18 gold with an adjuster. This item is very delicate. There is a possibility that it may not look as expected or suit you when worn. As this is a high-value item, please consider carefully before making a purchase and do not feel pressured to buy.