Sterling Silver Necklaces

The golds purity is denoted by the hallmarks 18K, 14K, 10K, 750, 585, and 375. Hallmarks for platinum frequently include the letters 950, PLAT, or PLAT. Sterling, Silver 800, and 925 are well-known silver hallmarks.Unless the piece of jewellery is more than 100 years old or the hallmark has faded, all fine jewellery should be hallmarked.