The world's biggest native gold, which originated in Australia, debuts at the 2015 China International Jewellery Fair on Saturday. [Photo/Chinanews.com]

Several gold and jade products, including the biggest-ever native gold in the world, went on display at the 2015 China International Jewellery Fair in Beijing on Saturday.

The event, held at China International Exhibition Center and China National Convention Center at the same time, covers an area of 75,000 sq m with nearly 4,200 booths, showcasing more than 1,800 exhibitors from 23 countries and regions such as the US, the UK and Italy.

The fair is reported to be the best jewelry event in terms of scale and influence in the Chinese mainland.