This bracelet includes natural Gray Star Sapphire gemstones measuring 4x6mm. This necklace is 925 sterling silver and platinum plated, also available in gold or rose gold plating (bracelet is 17cm in length and adjustable by an additional 4cm). 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.