Jewelry Closure: Lobster Clasp Link Construction: Solid Setting: Prong Shape: Bar Stone Cut: Heart Stone Millimeter Measurement: 1 Mm Length, 5 Mm Width Metal Color: White Chain Length: 18 Inch Chain Width: .6 Millimeters Pendant Length: 8.5mm Pendant Width: 27.4mm Chain Construction: Cable Care: Wipe Clean Stone Type: 1 Genuine Blue Topaz, 1 Genuine Citrine, 1 Genuine Peridot, 1 Genuine Garnet, 52 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: February Birthstone Metal: Sterling Silver Necklace Type: Collar 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.