Features: Quick Ship Jewelry Closure: Lobster Clasp Link Construction: Solid Stone Cut: Fancy Stone Millimeter Measurement: 3.5 Mm Width, 3.5 Mm Length Metal Color: White Chain Length: 17 Inch Extender Length: 2 Inch Pendant Width: 4.5mm Chain Construction: Bead Care: Wipe Clean Stone Type: 193 Genuine Blue Topaz Authenticity: Genuine Stone Birthstone: December Birthstone Metal: Sterling Silver Necklace Type: Beaded Necklaces Pendant & Charms Type: Beads 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.