This necklace contains natural Purple Tanzanite gemstone measuring 3x4mm, and 4x6mm with high quality cubic zirconia's. This necklace is 925 sterling silver and platinum plated, also available in gold or rose gold plating (45cm in length). 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.