A vintage John Hardy 18K gold and sterling silver necklace with a central pendant. The pendant is made of sterling silver and is encrusted with shimmering diamonds, adding a touch of glamor and luxury to the piece. Hallmarked with the gold and silver proof marks and holds the John Hardy logo to the back. Circa the 1990s. Total weight: 54 g. Vintage Gold And Silver Necklaces And Women Jewelry Collectibles.