Features: Mom Jewelry Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Heart, Butterfly, Animals Stone Cut: Round Stone Millimeter Measurement: 1.2 Mm Length, 1.2 Mm Width Metal Color: White Chain Length: 18 Inch Pendant Length: 30.5mm Pendant Width: 24.6mm Chain Construction: Rope Care: Hand Wash Stone Type: 74 Lab Created Sapphire, 10 Lab Created Emerald Authenticity: Lab Created Stone Birthstone: May Birthstone Metal: 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.