This necklace has a certificate with a unique number, KSJHKLAI55632SDS, from NGGC, and features a durable and stylish O-chain. It is refined with 925 Sterling Silver and delicate 18k gold plating, showcasing a versatile 6mm sparkling zircon that can elevate any outfit. Perfect for weddings or everyday wear, this necklace is designed for feminine charm, weighing only 1.5g. With a main stone of pearl and a metal stamp of 925, this piece is of the highest quality. It is a model number LGKGL25D2S, and is considered a cute and romantic style, making it a great choice for special occasions. Our products have a fine and fashionable design, and boast a silver content that surpasses 92.5% of the standard. Thank you for choosing our products with confidence and helping us support high-quality jewelry craftsmanship.