Opals
Gemstones
Jewelry
Coins
Register
Login
Cart
Toggle navigation
No Reserve
No Reserve Gemstones
No Reserve Opals
No Reserve Jewelry
No Reserve Coins
No Reserve Opal Online Auctions
Rough Opal
Boulder Opal
Ethiopian Opal
All Categories
Stores
All Stores
My Favourite Stores
Stores by Country
Learn
Opal Encyclopedia
A-Z Of Opals
Did you know?
How To's
News
Opal Auctions Verified Sellers
Opal Information
Opal Stories
Technical Opal Information
Testimonials
Auctions
No Reserve Opal Online Auctions
Australian Opals
Boulder Opal No Reserve Auctions
Sort:
Time Left
Newest Items
Price (low to high)
Price (high to low)
Most Bids
Most Viewed
Oldest Items
Relevance
View:
Boulder Opal No Reserve Auctions
35 items
Search Options
35
All Boulder Opal No Reserve Auctions
Keywords
Price (USD)
$
$
Colors
Auction Type
Free Shipping
Buy it Now
Make an Offer
No Reserve
Items with videos
Closed items
Body Tone
N
N
Dimensions (mm)
Length
mm
mm
Width
mm
mm
Depth
mm
mm
Weight (carats)
cts
cts
Favourites
Only favourite sellers
or
start over
About Boulder Opal No Reserve Auctions
Boulder Opal No Reserve Auctions
$218
winning
not winning
8.5ct 22x10mm Crystal Pipe Boulder Opal [LOB-2788]
50
bids
bluetongueopal
$219
$218
$12
winning
not winning
22.90CT QUEENSLAND BOULDER OPAL GM140
11
bids
mikiopalsmagicstone
$13
$12
$8
winning
not winning
1.30CT QUEENSLAND BOULDER OPAL AA8
8
bids
mikiopalsmagicstone
$9
$8
$133
winning
not winning
8.95CT QUEENSLAND BOULDER OPAL NN416
63
bids
mikiopalsmagicstone
$134
$133
$71
winning
not winning
13.75CT VIEW WOOD REPLACEMENT BOULDER OPAL RI242
16
bids
mikiopalsmagicstone
$72
$71
$91
winning
not winning
12.30CT QUEENSLAND BOULDER OPAL AA41
32
bids
mikiopalsmagicstone
$92
$91
$28
winning
not winning
9.15CT QUEENSLAND BOULDER OPAL (parcel) AA62
22
bids
mikiopalsmagicstone
$29
$28
$9
winning
not winning
22.65CT QUEENSLAND BOLDER PENDANT STONE NN7
9
bids
mikiopalsmagicstone
$10
$9
$54
winning
not winning
13.5ct 29x13.5mm Yowah Boulder Opal [LOB-2787]
17
bids
bluetongueopal
$55
$54
$12
winning
not winning
43.95CT VIEW KOROIT BOULDER OPAL GM98
12
bids
mikiopalsmagicstone
$13
$12
$17
winning
not winning
2.70CT QUEENSLAND BOULDER OPAL ZI124
11
bids
mikiopalsmagicstone
$18
$17
$12
winning
not winning
15.95CT SMALL BRIGHT WOOD FOSSIL BOULDER OPAL ZI153
13
bids
mikiopalsmagicstone
$13
$12
$11
winning
not winning
5.15CT QUEENSLAND BOULDER OPAL ZI158
11
bids
mikiopalsmagicstone
$12
$11
$7
winning
not winning
22.30CT VIEW KOROIT BOULDER OPAL AA291
8
bids
mikiopalsmagicstone
$8
$7
$7
winning
not winning
39.80 CT VIEW KOROIT BOULDER OPAL SS01535
6
bids
mikiopalsmagicstone
$8
$7
$15
winning
not winning
6.95CT VIEW PIPE WOOD REPLACEMENT BOULDER OPAL RI579
10
bids
mikiopalsmagicstone
$16
$15
$25
winning
not winning
2.4ct 8x7mm Crystal Pipe Boulder Opal [LOB-2786]
18
bids
bluetongueopal
$26
$25
$13
winning
not winning
20000 Carats (4 kgs) of Beautiful Australian Boulder Opals , #784
5
bids
artgems
$14
$13
$176
winning
not winning
13.3ct 18x16mm Yowah Boulder Opal [LOB-2789]
24
bids
bluetongueopal
$177
$176
$7
winning
not winning
54.25 CTS POLISHED YOWAH OPAL [LM123]3
7
bids
anemboopals
$8
$7
$4
winning
not winning
1.65ct 14.5x6.5mm Crystal Pipe Boulder Opal [LOB-2790]
4
bids
bluetongueopal
$5
$4
$116
winning
not winning
CUTTERS GRADE KOROIT MATRIX BOULDER; 790 CTs of High Grade Rough Boulder Op
19
bids
artgems
$117
$116
$11
winning
not winning
25ct 24x15mm Yowah Boulder Opal [LOB-2792]
7
bids
bluetongueopal
$12
$11
$7
winning
not winning
2.5ct 10x7.5mm Crystal Pipe Boulder Opal [LOB-2795]
7
bids
bluetongueopal
$8
$7
$1
winning
not winning
2.69ct Queensland Boulder Opal Stone
0
bids
ConstableandCoOpal
$1
$1
$1
winning
not winning
2.58Ct Queensland Boulder Opal Stone
0
bids
ConstableandCoOpal
$1
$1
$10
winning
not winning
4.25CT VIEW PAIR QUEENSLAND BOULDER OPAL AA55
8
bids
mikiopalsmagicstone
$11
$10
$11
winning
not winning
6.15CT BRIGHT BOULDER PIPE OPAL PAIR NN324
12
bids
mikiopalsmagicstone
$12
$11
$4
winning
not winning
4.0 CTS BOULDER OPAL -WELL POLISHED-. [LMS325] 3
5
bids
anemboopals
$5
$4
$2
winning
not winning
7.80ct Queensland Boulder Opal Stone
2
bids
ConstableandCoOpal
$3
$2
$1
winning
not winning
5.07ct Queensland Boulder Opal Stone Unmatched Pair
0
bids
ConstableandCoOpal
$1
$1
$1
winning
not winning
4.58ct Queensland Boulder Opal Stone
0
bids
ConstableandCoOpal
$1
$1
1
2
>
![8.5ct 22x10mm Crystal Pipe Boulder Opal [LOB-2788]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/795658/5d2702b164414_260x208.jpg)
![13.5ct 29x13.5mm Yowah Boulder Opal [LOB-2787]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/795661/5d27040b85bf5_260x208.jpg)
![2.4ct 8x7mm Crystal Pipe Boulder Opal [LOB-2786]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/795663/5d270590f3972_260x208.jpg)
![13.3ct 18x16mm Yowah Boulder Opal [LOB-2789]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/795668/5d270760af6eb_260x208.jpg)
![54.25 CTS POLISHED YOWAH OPAL [LM123]3](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/495000-499999/497901/54bc9a6051ea1_260x208.JPG)
![1.65ct 14.5x6.5mm Crystal Pipe Boulder Opal [LOB-2790]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/796572/5d2c2cfbe4815_260x208.jpg)
![25ct 24x15mm Yowah Boulder Opal [LOB-2792]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/796651/5d2cfd3125d50_260x208.jpg)
![2.5ct 10x7.5mm Crystal Pipe Boulder Opal [LOB-2795]](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/795000-799999/796653/5d2cfed5e9f7a_260x208.jpg)
![4.0 CTS BOULDER OPAL -WELL POLISHED-. [LMS325] 3](https://df2sm3urulav.cloudfront.net/tenants/oa/cache/uploads/images/550000-554999/551631/55fa22d841dd3_260x208.jpg)
