This is a 2 in 1 sterling sliver (925) and cultured freshwater pearl pendant necklace with a pearl sized between 8mm to 9mm. The entire sterling silver (925) necklace is gold plated with 18K white gold and the sterling silver chain comes in 16" plus 2" extension, so it can be adjusted to 18". This splendid freshwater pearl pendant is utterly breathtaking and will make the perfect gift for any occasion.