Jewelry Closure: Side Lock Clasp Link Construction: Solid Setting: Prong Shape: Heart Stone Cut: Round Metal Color: Two Tone Chain Length: 17 Inch Chain Width: 1.05 Millimeters Pendant Length: 12mm Pendant Width: 21mm Chain Construction: Rope Care: Wipe Clean Stone Type: 1 Lab Created Sapphire Authenticity: Lab Created Stone Metal: 10k Gold, Sterling 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. Photos are enlarged to show detail.