Features: Quick ShipJewelry Closure: Spring Ring ClaspLink Construction: SolidSetting: ProngStone Cut: RoundStone Millimeter Measurement: 3 Mm Width, 3 Mm LengthMetal Color: WhiteChain Length: 18 InchPendant Length: 22mmPendant Width: 16mmChain Construction: BoxCare: Wipe CleanStone Type: 6 Lab Created Opal, 5 Lab Created SapphireBirthstone: October BirthstoneMetal: Sterling SilverNecklace Type: Pendant NecklacesCountry of Origin: Imported