Unique natural Argyle rough Octahedral diamond ring

Crafted in 18 carat yellow and white gold, this ring features one natural Arglye rough Octahedral champagne diamond, weighing 2.21 carats and 3 pear shape white diamonds (3=0.38 carats), colour E/F, clarity VS.  The band is pave set with 49 round brilliant cut white diamonds (49=0.20 carats), colour F, clarity VS. 

Size: M 1/2