This necklace features natural oval cut Swiss Blue Topaz gemstones measuring 3x5mm, 5x5mm, 5x7mm, and quality high cubic zirconia's. This necklace is 925 sterling silver and platinum plated (60cm in length and adjustable). This item includes a certificate of authenticity and a gift box with purchase. This item is made to order, please allow 10-15 days for processing and delivery.