Features: Initials, Quick Ship Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Pave Stone Cut: Round Stone Millimeter Measurement: 3 Mm Width, 3 Mm Length Metal Color: Yellow Chain Length: 18 Inch Chain Width: .7 Millimeters Pendant Length: 21.3mm Pendant Width: 8mm Chain Construction: Rope Care: Wipe Clean Stone Type: 1 Lab Created Opal, 11 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: October Birthstone Metal: 14k Gold Over Silver Necklace Type: Pendant Necklaces Country of Origin: Imported Gemstones may be treated and may require special care. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.