Features: Quick Ship Diamond Clarity: I1 Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Shape: Heart Stone Cut: Round Stone Millimeter Measurement: 2.25 Mm Width, 2.25 Mm Length Diamond Color: H-I Metal Color: White Chain Length: 18 Inch Extender Length: 2 Inch Pendant Length: 14.8mm Pendant Width: 15.6mm Chain Construction: Cable Care: Wipe Clean Stone Type: 10 Lab Grown Diamond Authenticity: Lab Created Stone Birthstone: May Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces 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.