This pendant contains a natural London Blue Topaz gemstone measuring 4mm, and high quality cubic zirconia's (total pendant size: 10mm). This pendant necklace is 925 sterling silver and platinum plated and includes an adjustable 45cm round bead or box chain. Upon purchasing, please include your choice of necklace chain within your order notes. This item includes a gift box and a certificate of authenticity with purchase. This item is made to order, please allow 10-15 days for processing and delivery of this item.