- Princess cut gemstone with Surrounding round cut stones Necklace- Made in Sterling silver set with a high-quality Cubic Zirconia. - Stone size: Princess cut 5.00 x 7.00 mm, Round cut 1.10 mm- Size : 12 x 14 mm ( 0.47 x 0.55 inch )- Chain length : 16 inch Sterling silver925 Sterling Silver is an alloy made of 92.5% pure silver and 7.5% copper. We plate our silver jewelry in rhodium, which gives it extra shine and durability. Rhodium is one of the costliest precious metals due to its rarity.Care