Hong Kong-Sydney/Melbourne/Brisbane/Perth R/T in Business class with Malaysia Airlines.
Price: approx. 11,700 HKD incl. taxes (approx. 1.510 USD)
Airlines: Malaysia Airlines (MH)
Fare basis: ZBT3HK
Booking class: Z
Advanced purchase: 3 days
Min/Max stay: -- / 12 months
Buy latest: 2013-MAR-15
Travel period: between 2013-MAY-01 och 2013-JUN-26
Stopover: 1 free in Kuala Lumpur and additional stopover costs 700 HKD
Refund: Not permitted
Change: Not permitted after departure
Great find! I tried to plug in different origin and it looks like ex-HKG is the cheapest. Interestingly, for all origins the fare is priced at local currency (HKD for ex-HKG and SGD for ex-SIN) except ex-RGN, which is priced under USD.