A brilliant all natural 7mm cushion cut Swiss blue topaz gemstone is set in .925 sterling silver and accented by 3 round white diamonds which weigh 0.02ctw. A brilliant combination great for formal and casual wear. The pendant hangs from an 18 inch chain also crafted in sterling silver. The pendant measures 15mm x 7mm and is rhodium plated, like white gold, to prevent from tarnishing.