Material: Akoya Pearl, 18K gold, and Diamond Akoya Pearl saltwater cultured pearl Size of pearl: 8.5-9.0mm, or 7.5-8.0mm Weight of Diamonds: 1 diamond approx. 0.048 carats Length of Chain: 45cm (Adjustable) This is a welfare model, some pearls may have growth marks. But it does not affect the beauty of the necklace when worn. Please do not buy if you mind. Handcrafted Lifetime warranty Yellow Gold Pearl Chain Necklace, Gold Plated Yellow Gold Jewelry With Pearl Chain, Yellow Gold Plated Jewelry With Pearl Chain, Yellow Gold-plated Jewelry With Pearl Chain, Gold Plated White Gold Chain Necklace For Anniversary, White Gold Plated Chain Necklace For Anniversary, Yellow Gold Chain Necklace With Pearl Pendant, Gold Plated Delicate Chain Necklace For Anniversary, Gold Necklace With Adjustable Chain For Anniversary