Features: Certified Diamonds, Adjustable, Quick Ship Diamond Clarity: Si2-I1 Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Heart Stone Cut: Round Diamond Color: G-H Metal Color: White Chain Length: 18 Inch Rounded Carat Weight: 1/3 Ct. T.w. Chain Construction: Cable Care: Hand Wash Stone Type: 26 Lab Grown Diamond Authenticity: Lab Grown Diamond Birthstone: April Birthstone Metal: 10k White Gold Necklace Type: Pendant Necklaces Country of Origin: Imported Lab grown diamonds are created in laboratory environments. Diamond total weights may vary between .01 and .08 carat. 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.