mm to 8.5mm Graduated Golden Pearl Necklace in South Sea Pearls 7mm to 8.5mm (Graduation) AA Quality, Perfectly Round, Genuine Golden Colour and Certified South Sea Pearls from Australia.Reason for AA - Few pearls in the strand have little blemishes on them. But as per grading rules, they can be rated AAA. Length of necklace - 18 Inches / 45 cms. Fits well for women with normal to little larger necks. Weight - 200 to 210 Carats.