Heart Shape Peridot and Diamond Pendant in Sterling Silver 3/4ct total gem weight 1 genuine diamond pendant measures 17mm (just over 1/2in) 18in sterling silver chain All of our diamond and gemstones suppliers state that to the best of their knowledge all stones supplied are conflict free. 3/4ct total gem weight 1 genuine diamond pendant measures 17mm (just over 1/2in) 18in sterling silver chain All of our diamond and gemstones suppliers state that to the best of their knowledge all stones supplied are conflict free.