3mm as Gold Plated* tarnish resistant Curb Chain 18K GFC014 Sold by Foot Size 3mm Thickness 1mm Material: 18K Gold Plated Metal Copper *Skin Friendly *Long Lasting *Water Resistant as Gold Plated * tarnish resistant *******www.BeadsFindingDepot.com******* is 5% less (discount) The color variance happens all the time from screen to screen