Features: Mom Jewelry Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Heart Stone Cut: Heart Stone Millimeter Measurement: 6 Mm Length, 6 Mm Width Metal Color: White Chain Length: 18 Inch Pendant Length: 31.8mm Pendant Width: 25mm Chain Construction: Rope Care: Hand Wash Stone Type: 1 Lab Created Emerald, 69 Lab Created Sapphire 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.