The Oval Statement Chain in Gold by Hermina Athens. 

Elevate your everyday look with this striking wide paperclip chain, crafted from sterling silver for timeless elegance.  48cm in length, the adjustable clasp fastens at any link, letting you customise the fit to perfection. Choose between classic sterling silver or luxe gold-plated sterling silver 925 for a touch of warmth. A sophisticated statement piece that works as hard as you do.