Diamond Clarity: I3 Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Shape: Heart Stone Cut: Round Stone Millimeter Measurement: 3 Mm Width, 3 Mm Length Diamond Color: H-I Metal Color: White Chain Length: 18 Inch Chain Width: .6 Millimeters Pendant Length: 22.2mm Pendant Width: 15.2mm Chain Construction: Rope Care: Wipe Clean Authenticity: Lead Glass-Filled Ruby Birthstone: July Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces Country of Origin: Imported Lead glass-filled rubies require special care. Avoid ultrasonic cleaners, extreme heat and household chemicals and detergents to preserve the life of your stone. Wear with care and clean with warm, soapy water to maintain the beauty of the stone. Gemstones may be treated and may require special care. Diamond total weights may vary between .01 and .08 carat. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Photos are enlarged to show detail.