Length 18”. Very nice combination of colours.
Natural, Silver and Grey Round, Freshwater Pearl necklace with good weight. 
Easy, large skip in heart shaped clasp. 

Silver Plated. 

Round Freshwater Pearls 12 mm. 

Pearl quality: AAA

Please remember that it is difficult to capture the lustre and beauty of pearls on camera. They usually look slightly darker on camera than in real life. And they may look different or different monitors.