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Green Oval Boulder Opal 32.8 ct
AU$1,844Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 32.8 carats
Dimensions: 33.5x15x6 mm
Source: Winton, QLD, Australia
Size and weight are approximate
13.6ct Natural Boulder Opal Blue Green Fire
AU$1,844Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 13.6 carats
Dimensions: 26.5x12x7 mm
Source: Winton, QLD, Australia
Size and weight are approximate
This opal has undulation as can be seen in the photos and video
6.17ct Natural Boulder Opal Multicolor Fire
AU$1,813Opal: Natural, Solid, Untreated,Polished
Weight: 6.17 ct
Dimensions: 20x10x3.5 mm
Source: Winton, QLD, Australia
(Size and weight are approximate)
29.45ct Natural Boulder Opal Large
AU$1,713100% Natural Boulder Opal
Weight: 29.45 ct
Dimensions: 34×16.5×6 mm
Source: Winton, QLD, Australia
14.75ct Solid Boulder Opal Heart – Pastel Pink and Blue Fire
AU$1,690Opal Details:
Type: Natural, Solid, Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 17.5×20.8×5mm (approx.)
Weight: 14.75ct (approx.)
14.9ct Natural Australian Boulder Opal Heart
AU$1,690Opal Details:
Type: Natural, Solid, Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 16.8×20.4×5mm (approx.)
Weight: 14.9ct (approx.)
2.28ctw Gem Quality Crystal Boulder Opal Parcel 4pcs
AU$1,536Opal: Natural, Solid, Untreated, Polished
Quantity: 4 Pieces
Dimensions: 7.6×4.8x3mm, 7.3×5.8×2.6mm, 6.4×5.3x2mm, 6.9x5x2.6mm
Weight: 2.28 ctw
Source: Winton, QLD, Australia
(Size and weight are approximate)
10.78ct Natural Wood Fossil Boulder Opal Neon Rainbow Fire
AU$1,513Opal Details:
Type: Natural Solid Untreated Wood Fossil Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 22.5×13.3×4.3mm approx
Weight: 10.78ct approx
54.2ct Natural Boulder Opal Large
AU$1,475Natural Solid Untreated Boulder Opal Polished Stone
Weight: 54.2 ct
Dimensions: 43.5x21x6 mm
Source: Winton, QLD, Australia
Size and weight are approximate
41ct Natural Koroit Boulder Opal
AU$1,437100% Natural, Untreated, Polished
Dimensions : 41.5×20.5×6 mm
Weight: 41 ct
Source: Koroit, QLD, Australia
(Size and weight are approximate)
12.7ct Natural Boulder Opal Blue Green
AU$1,367Opal: Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Dimensions: 25x13x5mm
Weight: 12.7 ct
Color: Blue, Green
Shape: Freeform (Half Moon)
Size and weight are approximate
77.7ctw Natural Koroit Boulder Opal Pair
AU$1,352100% Natural, Untreated, Polished
Source: Koroit, QLD, Australia
Dimensions : 29×24.5×5.5 mm 26x23x7 mm
Total Weight: 77.7 ctw
(Size and weight are approximate)
8.5ct Multi-color Green Blue Boulder Opal from Winton
AU$1,260Opal: Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Dimensions: 22.5×10.5x4mm
Weight: 8.5 ct
Color: Green, Blue, Orange, Yellow
Shape: Teardrop / Freeform
(Size and weight are approximate)
32.59ct Natural Boulder Opal Large Turquoise Blue
AU$1,260100% Natural Boulder Opal
Weight: 32.59 ct
Dimensions: 35.5x20x6 mm
Source: Winton, QLD, Australia
24.69ct Natural Boulder Opal
AU$1,221100% Natural Boulder Opal
Weight: 24.69 ct
Dimensions: 0.5x18x5.5 mm
Source: Winton, QLD, Australia
23.38ct Natural Boulder Opal Neon Blue Fire
AU$1,198100% Natural Boulder Opal
Weight: 23.38 ct
Dimensions: 34x13x5 mm
Source: Winton, QLD, Australia
6.4ct Natural Boulder Opal Wood Fossil Winton
AU$1,160Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 6.4 carats
Dimensions: 31x6x3.5mm
Source: Winton, QLD, Australia
Size and weight are approximate
44.69ct Large Natural Boulder Opal Winton Blue Fire
AU$1,145
Opal Details
Type: Natural Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 47 × 17.5 × 6.2 mm approx
Weight: 44.69 ct approx
Blue Green Boulder Opal 12.76 ct
AU$1,068Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 12.76 carats
Dimensions: 36x8x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
10.8ct Natural Boulder Opal Wood Fossil
AU$1,052Opal: Natural, Solid, Untreated, Polished
Color: Purple
Shape: Freeform
Weight: 10.8 ct
Dimensions: 33×9.5x4mm
Source: Winton, QLD, Australia
Size and weight are approximate