Features: Nickel Free, Quick Ship Jewelry Closure: Lobster Clasp Link Construction: Solid Shape: Butterfly, Animals Stone Cut: Round Stone Millimeter Measurement: 16.5 Mm Length Metal Color: Two Tone Chain Length: 18 Inch Chain Width: 25.4 Millimeters Chain Gauge: 025 Pendant Length: 22.8mm Pendant Width: 20.3mm Chain Construction: Link Care: Wipe Clean Stone Type: 1 Genuine Mother of Pearl Metal: 14k Two Tone Gold Over Silver Necklace Type: Pendant Necklaces Country of Origin: Imported 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.