Technibond Bold Black Onyx Oval Ring 14K Yellow Gold Clad Silver Metal ConditionFinish Avg. Weight WidthSize Retail Price Real 925 Sterling Silver (Stamped 925) Brand New Polished 13.40 grams 31mm = 1 1/4″ Selectable from the drop-down menu. $163 Technibond jewelry is crafted from .925 sterling silver with a 40-mils-thick outside layer of 14K Yellow gold. Experience the pure luxury of something simple. Sleek black onyx pairs with gleaming metalwork to infuse your look with just the right touch of sophistication. Whether you’re heading to the office or an after-five affair, this ring’s clean lines and classic design perfectly complement the occasion.