Filter by Color
- PurplePurple 29
Filter by Shape
Filter by Size
37.57ct Natural Boulder Opal | Blue Green Fire
AU$1,064100% Natural Boulder Opal
Weight: 37.57 ct
Dimensions: 49.5×16.5×6 mm
Source: Winton, QLD, Australia
12.18 ct Boulder Opal Blue Green
AU$1,056Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 12.18 carats
Dimensions: 26.5x14x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
4.3ct Natural Crystal Boulder Opal
AU$1,049Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 4.3 carats
Dimensions: 17×7.5×5.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate
7.37 ct Natural Boulder Opal
AU$1,010Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 7.37 carats
Dimensions: 27×9.5×4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
28.74ct Natural Boulder Opal Deep Blue Fire
AU$1,002100% Natural Boulder Opal
Weight: 28.74 ct
Dimensions: 39x15x5 mm
Source: Winton, QLD, Australia
15.7ct Natural Boulder Opal Turquoise Blue Green
AU$1,002Natural Solid Untreated Australian Boulder Opal
Weight: 15.7 ct
Dimensions: 28x11x5mm
Source: Winton, QLD, Australia
Size and weight are approximate
Note: This opal has minor fracture but still very stable.
29.67ct Natural Boulder Opal Green Blue Fire
AU$986100% Natural Boulder Opal
Weight: 29.67 ct
Dimensions: 36x15x5 mm
Source: Winton, QLD, Australia
17.4ct Natural Boulder Opal Vivid Green Blue Gem
AU$986Opal Details:
Type: Natural Boulder Opal
Origin: Winton, Queensland, Australia
Weight: 17.4ct Approx
Dimensions: 32 × 13.5 × 5mm Approx
3.6ct Natural Crystal Boulder Opal Round
AU$979Natural Solid Untreated Polished
Weight: 3.6ct approx
Dimensions: 10x9x5 mm approx
Source: Winton, QLD, Australia
28.97ct Double Sided Natural Koroit Boulder Opal
AU$932Natural Solid Untreated Boulder Opal Polished Stone
Weight: 28.97 ct
Dimensions: 28.5x14x10 mm
Source: Koroit, QLD, Australia
(Size and weight are approximate)
Blue Green Boulder Opal 24.87 ct
AU$932Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 24.87 carats
Dimensions: 31.5x19x5 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Purple Blue Winton Boulder Opal 22.32 ct
AU$924100% Natural Solid Untreated Boulder Opal Polished Stone
Weight: 22.32 ct
Dimensions: 37x17x4.8 mm
Source: Winton, QLD, Australia
Size and weight are approximate
21.84ct Natural Boulder Opal Teardrop Blue Fire
AU$909Type: Natural Solid Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 40 x 12.5 x 5 mm approx
Weight: 21.84ct approx
Color: Blue and cyan fire with vivid purplish blue body
Use: Ideal for custom opal ring, pendant, or fine jewelry
Blue Green Teardrop Boulder Opal Pair 7.4 ctw
AU$901100% Natural, Untreated, Polished, Pair
Source: Winton, QLD, Australia
Dimensions: 16.5×10.7×3.4 mm each approx
Total Weight: 7.4 ctw approx
23.94ct Natural Boulder Opal
AU$901100% Natural Boulder Opal
Weight: 23.94 ct
Dimensions: 37x15x5 mm
Source: Winton, QLD, Australia
5ct Natural Boulder Opal Neon Blue Green Fire
AU$839Opal: Natural, Solid, Untreated, Polished
Dimensions: 19x11x3.5mm
Source: Winton, QLD, Australia
Weight: 5 ct
Color: Blue, Purple
Shape: Freeform
Size and weight are approximate
1.07ct Natural Crystal Boulder Opal
AU$777100% Natural Solid Crystal Opal Polished Stone
Weight: 1.07 ct
Dimensions: 13x6x1.5 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
1.37ct Natural Crystal Boulder Opal
AU$777100% Natural Solid Crystal Opal Polished Stone
Weight: 1.37 ct
Dimensions: 11x6x3.2 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
1.64ct Natural Crystal Boulder Opal
AU$777100% Natural Solid Crystal Opal Polished Stone
Weight: 1.64 ct
Dimensions: 15×5.2×3 mm
Source: Queensland, Australia
Size and weight are approximate
Transparent
20ct Natural Boulder Opal Large Purple
AU$777100% Natural Boulder Opal
Weight: 20 ct
Dimensions: 34.5x10x4.5 mm
Source: Winton, QLD, Australia