Unset Australian opals (cut and polished opals):
Page 4: From $520.00 to $3760.00 USD

     

Big cut and polished natural Australian crystal pipe opal, ready to be set
from Winton, Queensland
27 x 11 x 5.3 mm thick
Weight: 11.5 carats
Full of bright green colours

     

Big cut and polished natural Australian black opal, ready to be set
from Lightning Ridge, New South Wales
28 x 16.5 mm x 8.4 mm thick
Weight: 26.8 carats
Glints of blue and green colours

     

Big cut and polished natural Australian crystal boulder opal, ready to be set
from Winton, Queensland
33 mm x 19.4 mm x 8.3 mm thick
Weight: 47.6 carats
Blue crystal opal

   

Cut and polished natural Australian black opal, ready to be set
from Lightning Ridge, New South Wales
11 x 9 mm x 4 mm thick
Weight: 2.48 carats
Black opal with bright green colours

   

Cut and polished Australian natural opal
14 x 12 mm
Weight: 2.7 carats
Bright opal with bright large multicolored flashes
To set in a ring or pendant

   

Cut and polished natural Australian opal, ready to be set
from Lightning Ridge, New South Wales
15.7 x 10.4 x 3 mm thick
Weight: 3 carats
Play of bright various colours with green and red

   

Cut and polished Australian natural opal
13 x 11 mm
Weight: 3.3 carats
Semi black opal with bright various pinfire colours
To set in a ring or pendant

   

Big cut and polished natural Australian crystal opal, ready to be set
from Winton, Queensland
38 x 13.7 x 5.6 mm thick
Weight: 15.5 carats
Bright light green colours
Big crystal opal to make a big pendant

   

Cut and polished natural Australian black opal, ready to be set
from Lightning Ridge, New South Wales
10.4 x 9 mm x 5 mm thick
Weight: 3 carats
Black opal with bright green colours

   

Big cut and polished natural Australian crystal opal, ready to be set
from Winton, Queensland
High free form cabochon
23 x 12.4 x 6.2 mm thick
Weight: 10 carats
Play of bright varied colours
Appears mostly bright green or bright pinkish red depending of the light source

   

Cut and polished natural Australian black opal, ready to be set
from Lightning Ridge, New South Wales
13 x 10 mm x 4 mm thick
Weight: 3.5 carats
Black opal with blue and bright green colours

   

Cut and polished natural Australian opal, ready to be set
from Lightning Ridge, New South Wales
17.2 x 8.4 x 5.6 mm thick
Weight: 5.4 carats
Full of various bright colours on both sides
(Reversible stone)

   

Cut and polished natural Australian opal, ready to be set
from Winton, Queensland
Free form cabochon
23.4 x 13.7 x 5.9 mm thick
Weight: 10.7 carats
Play of bright varied colours with red

   

Cut and polished natural Australian crystal opal, ready to be set
from Lightning ridge, New south Wales
14.6 x 11.7 x 3.6 mm thick
Weight: 3.8 carats
Strong bright colours with rolling bright green and golden orange colours

   

Cut and polished natural Australian black opal, ready to be set
from Lightning Ridge, New South Wales
13.8 x 12 mm x 4.2 mm thick
Weight: 4.6 carats
Full of bright electric colours

   

Bright cut and polished natural Australian crystal opal, ready to be set
from Winton, Queensland
15.8 x 10 x 4.6 mm thick
Weight: 5.75 carats
Very bright colours with red

   

Big cut and polished natural Australian white opal, ready to be set
from Winton area, Queensland
39 x 15 mm x 6 mm thick
Weight: 23.3 carats
White opal (milky opal) full of brillant red colours with some green colours

   

Cut and polished natural Australian boulder opal, ready to be set
from Winton, Queensland
19.4 x 11.2 x 4.2 mm thick
Weight: 11.6 carats
Bright green opal

   

Big cut and polished (loose opal) natural Australian crystal pipe opal, ready to be set
from Winton, Queensland
36 x 20 mm x 8 mm thick
Weight: 40 carats
Bright green and golden colours
Crystal opal of this size is rare
Would make a beautiful original opal pendant

   

Very big cut and polished natural Australian boulder opal, ready to be set
from Winton area, Queensland
52 x 17 mm x 6 mm thick
Weight: 49 carats
Bright sparkles of green and red colours
A boulder opal of this quality and size is rare
Will make a spectacular opal pendant