2 Lines Pearl Necklace Set in Shiny 7mm Grey Round Pearls Pearls Information: 6.5mm to 7mm, Perfectly Round Freshwater Pearls in Shiny Grey Colour from Hyderabad. AAA Quality. Length of necklace strands - 18 Inches and 19 Inches. This necklace will fit comfortably for women with normal to little larger necks. Weights around 70 grams.