The image appears brighter, but in reality, it's a valuable, deep navy blue, almost black! The surrounding stones are unidentified as there are no engravings or markings. Size: 6 x 4.6mm Total weight: 2.5g Pendant length: Approximately 40cm *Please note that measurements and weight are approximate due to being done by a non-professional. Please understand that this item has been stored at home and has minor age-related scratches. We kindly ask for your understanding before purchasing. Regarding packaging, we will primarily use recycled materials from an eco-friendly perspective. Natural Stone, Color Stone, September Birthstone Material: Other Silver Decoration: Other Stones Accessories: Box