Features: Adjustable Chain, Quick Ship Diamond Clarity: Si1-Si2 Jewelry Closure: Lobster Clasp Setting: Prong Shape: Emerald Stone Cut: Emerald Stone Millimeter Measurement: 5 Mm Width, 7 Mm Length Diamond Color: H-I Metal Color: White Chain Length: 17 Inch Chain Width: 1 Millimeters Extender Length: 1 Inch Pendant Length: 18.2mm Pendant Width: 8mm Rounded Carat Weight: 1/4 Ct. T.w. Chain Construction: Cable Care: Wipe Clean Stone Type: 1 Lab Created Sapphire, 21 Lab Grown Diamond Authenticity: Lab Created Stone Birthstone: September Birthstone Metal: 10k White Gold Necklace Type: Pendant Necklaces, Halo Necklaces Pendant & Charms Type: Pendants Country of Origin: Imported Lab grown diamonds are created in laboratory environments. 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.