Established in Sydney in 1899 Percy Marks remains a family owned and run business and for over a century we have shared our passion for the finest diamonds and gemstones with clients from Australia and around the world.From our heritage as the first purveyor of Australian Black Opals, our expertise extends to all the rare and magnificent gems that are unique to Australia – from lustrous South Sea Pearls to the rare and most highly prized Argyle pink diamonds our collections feature an extensive range of gemstones and fully certified diamonds, each individually selected for their outstanding beauty and quality.In each piece of Percy Marks jewellery our tradition continues of designing and handcrafting in the traditional manner, creating jewellery to be treasured for generations to come.