750 Yellow Gold (18 kt) with diamond and green quartz diamonds: 1 diamond - Total carats: 0.09 ct - Cut: brilliant - Color: G+ - Clarity: VS+ Semi-precious stones: 1 Green Quartz - Weight: 1.20 ct Laser-cut logo on the back Consult the Size Guide to find your size Hypoallergenic and nickel-free materials Made in Italy Each step of Prada&#39;s responsible gold and diamond production chain is verified and traceable thanks to Aura Blockchain technology.