For buyers of colour diamonds, the top priority is to purchase only the wisest diamonds at the best price and we pride ourselves on providing the best service when it comes to delivering our clients the most sought after opportunities in the coloured diamond market. Australian Diamond Portfolio assist clients to carefully select and manage their diamond portfolios in accordance with our proven strategies. Our reputation has been built through our established relationships with credible and renowned security companies, site holders, diamond manufacturers and auction houses. We will only source GIA and Argyle Certified Diamonds with all relevant certification provided. Australian Diamond Portfolio has an outstanding track record and we continue to meet the increasingly demanding needs of our clients. Australian Diamond Portfolio’s head office is based in Sydney, Australia. Our company is Australian owned and operated with our ADP representatives situated throughout the country and available to meet and assist you as required. Cover Image © Rio Tinto 2018.