Sorry to read you've had a miscarriage love...
there is The World Egg Bank option through Monash IVF in Melbourne if you're not keen to travel overseas - when I looked into it a couple of years ago it was about 23k all up for 6 frozen eggs imported from the USA. At that stage Monash were the only ones in Australia with authority to import eggs.
As Blinky said, this cost to me was prohibitive but it does save a lot of the time faffing around with travel etc. if that's not your thing