Request for price info on rings and import tax from US to AU

[Zediction]

Hey guys, looking to buy 1 of 2 rings in the USA and import to Australia.

14K Yellow Gold Jewelry 1.0 ctw Diamond Bridal Ring Set

Main Stone: Diamond
Main Stone Total Weight: 1.0 ctw
Diamond Color: G-H
Diamond Clarity: I1-I2
Ring Size: 7 (US)
Metal Weight: 5.66 grams

Condition Report:
Brand New



14K Yellow Gold Jewelry 2.05 ctw Diamond Bridal Ring Set - WJA75509
Main Stone: Diamond
Main Stone Total Weight: 2.05 ctw
Diamond Color: G-H
Diamond Clarity: I1-I2
Ring Size: 7 (US)
Metal Weight: 9.37 grams

Condition Report:
Brand New


And how much is tax to send to Australia