ebay here http://www.ebay.com/itm/999-Solid-Sterling-Silver-Chinese-Chopsticks-Round-With-Diameter-Cut-213mm-/132306450153?hash=item1ece1436e9:g:7-UAAOSw9h9Zn8uu
I have looked all over the internet and these are the only sites that sales luxurious chopsticks and ships to australia. you should check out all the three sites given below, there are only 11 chopsticks in total ranging from 30$to 2700$. So you should check them out first and buy the one that fit your needs.