This elegant necklace is crafted from .925 sterling silver and features a luminous freshwater pearl surrounded by a halo of lab-grown blue sapphires. Lab-Grown Blue Sapphire = approximately 0.70 ct. tw. Freshwater Pearl Spring ring closure Material: .925 sterling silver Imported Freshwater Pearl measures approximately 9mm Pendant drops approximately 0.5 Approximately 18in long It is customary to treat most gemstones to achieve enhanced colour and durability. Some of these treatments may not be permanent, and may require special care. Colour: blue