Filter by Color
- PurplePurple 29
Filter by Shape
Filter by Size
Double Sided Purple Boulder Opal 4.88 ct
AU$621Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 4.88 carats
Dimensions: 13x10x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
15.3ct Natural Boulder Opal Deep Purple Blue Fire
AU$614100% Natural Boulder Opal
Weight: 15.3 ct
Dimensions: 21.5x12x4.5 mm
Source: Winton, QLD, Australia
33ct Double Sided Natural Koroit Boulder Opal
AU$614100% Natural, Untreated, Polished
Dimensions : 26x23x7 mm
Weight: 33 ct
Source: Koroit, QLD, Australia
(Size and weight are approximate)
9.5ct Natural Boulder Opal Blue Green
AU$598Opal: Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Dimensions: 17x17x4mm
Weight: 9.5 ct
Color: Blue, Green
Shape: Freeform (Triangular)
(Size and weight are approximate)
0.84ct Natural Crystal Boulder Opal Double Sided
AU$590100% Natural Solid Pipe Crystal Opal Polished Stone
Weight: 0.84 ct
Dimensions: 8x6x3 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
45.77ct Large Round Oval Koroit Boulder Opal
AU$583Opal Details:
Natural Solid Untreated
Weight: 45.77 ct approx
Dimensions: 30x27x5 mm approx
Source: Koroit,QLD, Australia
28.81ct Natural Boulder Opal – Turquoise Blue Green
AU$583
Opal Details:
-
Type: Natural, Solid, Untreated, Polished Boulder Opal
-
Origin: Winton, QLD, Australia
-
Dimensions: 30 × 18 × 6 mm (approx.)
-
Weight: 28.81 ct (approx.)
12.4ct Natural Boulder Opal Pastel Multi Color Fire
AU$567Opal: Natural, Solid, Untreated, Polished
Color: Green, Pink
Shape: Square
Weight: 12.4 ct
Dimensions: 16x16x5mm
Source: Winton, QLD, Australia
Size and weight are approximate
16.22ct Natural Boulder Opal Blue Green Fire
AU$567100% Natural Boulder Opal
Weight: 16.22 ct
Dimensions: 33x14x5 mm
Source: Winton, QLD, Australia
6.02ctw Natural Boulder Opal Set Blue Green
AU$551100% Natural Solid Boulder Opals
Total Weight: 6.02 btw
Size: Marquise – 24×5.5×3.8 mm
Oval – 9.5x5x3 mm
Source: Winton,Qld,Australia
2.06ct Natural Crystal Boulder Opal
AU$544100% Natural Solid Crystal Opal Polished Stone
Weight: 2.06 ct
Dimensions: 11×7.5×3 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
1.05ct Natural Crystal Boulder Opal Teardrop
AU$544100% Natural Solid Crystal Opal Polished Stone
Weight: 1.05 ct
Dimensions: 8x6x3 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
3.45ct Solid Boulder Opal Heart – Vivid Fiery Play-of-Color
AU$536Opal Details:
Type: Natural, Solid, Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 9.8×12.1×3.5mm (approx.)
Weight: 3.45ct (approx.)
92.35ct Natural Koroit Boulder Opal Large Teardrop
AU$513Type: Natural Solid Untreated Boulder Opal
Origin: Koroit, Queensland, Australia
Dimensions: 40 x 28 x 10 mm approx
Weight: 92.35ct approx
Color: Orange blue fire in natural boulder opal
Use: Ideal for custom opal ring, pendant, or fine jewelry
3.62ct Natural Crystal Boulder Opal
AU$505Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 3.62 carats
Dimensions: 15x9x3.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Aqua Blue Queensland Boulder Opal Teardrop Ringstone 3.7 ct
AU$505Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 3.7 carats
Dimensions: 13x10x3.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate
3.4ct Natural Boulder Opal Deep Blue Fire
AU$497100% Natural Solid Boulder Opal Polished Stone
Weight: 3.4 ct
Dimensions: 14.8×8.2×3 mm
Source: Winton,QLD, Australia
Size and weight are approximate
24.8ct Natural Boulder Opal Purple Blue Fire
AU$497100% Natural Boulder Opal
Weight: 24.80 ct
Dimensions: 32×18.5×5 mm
Source: Winton, QLD, Australia
Blue Winton Boulder Opal 5 ct
AU$497Natural Solid Untreated Boulder Opal Polished Stone
Weight: 5 carats
Dimensions: 16.5×8.5×3.2 mm
Source: Winton, QLD, Australia
Size and weight are approximate
5.38ct Natural Crystal Boulder Opal
AU$497Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 5.38 carats
Dimensions: 15x10x3 mm
Source: Winton, QLD, Australia
Size and weight are approximate