JewelStop 925 Sterling Silver Rhodium Plated 1.5 mm Spiga Chain Necklace, Lobster Claw - 16", 4.1gr. Crafted In Sterling Silver Pspigarly Stamped And Marked JewelStop spiga chain necklace that has got a stunning design. The necklace is silver in color. The spiga chain necklace has an unlimited 1 year warranty and 30 days money back guarantee. The product dimensions are: 16" long and 1.5mm in width.