Rocks, Minerals & Fossils

101.80 ct Natural Boulder Opal First Image

#image-loader-main { display: none; }

101.80 ct Natural Boulder Opal First Image

101.80 ct Natural Boulder Opal

Total Sales0 Sold

Median Sale Price

Sale Price Range

Similar Upcoming Sales

16.41ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

16.41ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

3 days Left

16.41ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

16.41ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

19.85ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

19.85ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

3 days Left

19.85ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

19.85ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

10.46ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

10.46ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

10.46ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

10.46ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

3 days Left

5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

3 days Left

5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

3 days Left

12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

16.10 Ct Natural Blue Opal Fancy Cab (1 of 2)

16.10 Ct Natural Blue Opal Fancy Cab

Feb 16, 2026

29.11 Ct Natural Zibra Jasper Rectangle Cab (1 of 2)

29.11 Ct Natural Zibra Jasper Rectangle Cab

Feb 09, 2026

35.18 Ct Natural Labradorite Square Cab (1 of 2)

35.18 Ct Natural Labradorite Square Cab

4 days Left

37.71 Ct Natural Turtella Agate Oval Cab (1 of 2)

37.71 Ct Natural Turtella Agate Oval Cab

Feb 16, 2026

26.79 Ct Natural Fossil Jasper Quartz Oval Cab (1 of 2)

26.79 Ct Natural Fossil Jasper Quartz Oval Cab

Feb 18, 2026

16.34 Ct Natural Blue Opal Fancy Cab (1 of 2)

16.34 Ct Natural Blue Opal Fancy Cab

Feb 16, 2026

Similar Sale History

Unlock All Prices

Sold

101.80 ct Natural Boulder Opal (1 of 6)

101.80 ct Natural Boulder Opal Rectangular - Africa

Sold

70.44 ct Natural Boulder Opal (1 of 2)

70.44 ct Natural Boulder Opal No Reserve! Title: 70.44 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 70.44 Size/Dimensions: 45.05 x 30.45 x 6.00 Additional Information: Oval - Australia Shipping

Sold

45.40 ct Natural Boulder Opal (1 of 6)

45.40 ct Natural Boulder Opal Oval-Australia

Sold

37.38 ct Natural Boulder Opal (1 of 4)

37.38 ct Natural Boulder Opal No Reserve! Title: 37.38 ct Natural Boulder Opal Color/Clarity: Brown / Opaque Gemstones: Boulder Opal Carat Weights: 37.38 Size/Dimensions: 32.80 x 18.70 x 8.50 Additional Information: Pear / Austral

Sold

85.55 ct Natural Boulder Opal (1 of 5)

85.55 ct Natural Boulder Opal No Reserve! Title: 85.55 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 85.55 Size/Dimensions: 39.55 x 31.85 x 6.50 Additional Information: Oval - Australia Shippi

Sold

22.60 ct Natural Boulder Opal (1 of 6)

22.60 ct Natural Boulder Opal Fancy-Australia

Sold

56.80 ct Natural Boulder Opal (1 of 5)

56.80 ct Natural Boulder Opal Oval -Brazil

Sold

60.65 ct Natural Boulder Opal (1 of 5)

60.65 ct Natural Boulder Opal Pear-aAustralia

Sold

37.95 ct Natural Boulder Opal (1 of 5)

37.95 ct Natural Boulder Opal Oval-Australia

Sold

12.45 ct Natural Boulder Opal (1 of 5)

12.45 ct Natural Boulder Opal No Reserve! Title: 12.45 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Loosegemstone Carat Weights: 12.45 Size/Dimensions: 19.90 x 16.65 x 3.95 Additional Information: Rectangle - Brazil Sh

Sold

77.45 ct Natural Boulder Opal (1 of 6)

77.45 ct Natural Boulder Opal Triangle - Africa

Sold

50.10 ct Natural Boulder Opal (1 of 6)

50.10 ct Natural Boulder Opal Triangular-Australia

Sold

50.65 ct Natural Boulder Opal (1 of 6)

50.65 ct Natural Boulder Opal Long Octagan-Australia

Sold

30.05 ct Natural Boulder Opal (1 of 6)

30.05 ct Natural Boulder Opal Rectangular-Australia

Sold

62.00 ct Natural Boulder Opal (1 of 5)

62.00 ct Natural Boulder Opal Pear-Australia

Sold

83.55 ct Natural Boulder Opal (1 of 6)

83.55 ct Natural Boulder Opal Pear-Australia

Sold

26.75 ct Natural Boulder Opal (1 of 5)

26.75 ct Natural Boulder Opal Round-Australia

Sold

12.35 ct Natural Boulder Opal (1 of 6)

12.35 ct Natural Boulder Opal Rectangular-Australia

Sold

27.50 ct Natural Boulder Opal (1 of 5)

27.50 ct Natural Boulder Opal No Reserve! Title: 27.50 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 27.5 Size/Dimensions: 23.80 x 19.40 x 5.55 Additional Information: Rectangular - Australia Sh

Sold

50.10 ct Natural Boulder Opal (1 of 6)

50.10 ct Natural Boulder Opal Triangular-Australia

Sold

43.10 ct natural matrix boulder opal (1 of 2)

43.10 ct natural matrix boulder opal Title: 43.10 ct natural matrix boulder opal Color/Clarity: opaque Gemstone Type: natural/untreated Carat Weights: 43.1 Size/Dimensions: 31.29 X 25.47 X 7.57 MM Additional Information: Please ,note tha

Sold

Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon (1 of 3)

Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon 17x13x4mm Weight: 6 Carat

Sold

Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon (1 of 3)

Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon 12x9x6mm Weight: 7 Carat

Sold

Multi Color Flashing Boulder Opal 1.35 Ct. Natural Gemstone Free Form Cabochon (1 of 3)

Multi Color Flashing Boulder Opal 1.35 Ct. Natural Gemstone Free Form Cabochon Product ID: 818723532 Product Name: Natural Opal Weight: 1.35 CT. Size: 8.9 x 4.9 x 3.1 MM. Shape: Free Form Cabochon Color: Multi-Color Clarity:Opaque Luster: Good Gems Origin: Queensland Australia T

TOP