Rocks, Minerals & Fossils

BOULDER MATRIX 38.65 CTS OPAL mwf2290 First Image

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

BOULDER MATRIX 38.65 CTS OPAL mwf2290 First Image

BOULDER MATRIX 38.65 CTS OPAL mwf2290

Total Sales1 Sold

Median Sale Price

Sale Price Range

Similar Upcoming Sales

8.92ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

8.92ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

24 hrs Left

8.92ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL (1 of 2)

8.92ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

Earthsplit Flame Boulder Opal Cushion Cabochon (1 of 2)

Earthsplit Flame Boulder Opal Cushion Cabochon

Weatherham Estate Treasures

2 days Left

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

5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

Natural Tiger Eye Agate 32.15 Ct. Fancy Cabochon Shape 23 x 17.5 Mm Gemstone from Madagascar (1 of 3)

Natural Tiger Eye Agate 32.15 Ct. Fancy Cabochon Shape 23 x 17.5 Mm Gemstone from Madagascar

Treasure of Gems & Jewelry

Feb 15, 2026

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

5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

24 hrs Left

58.74 Carats Bumblebee Jasper Cabochon - Natural Indonesian Stone, 55XA (1 of 1)

58.74 Carats Bumblebee Jasper Cabochon - Natural Indonesian Stone, 55XA

24 hrs Left

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

12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

24 hrs Left

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

12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

STONE CABOCHON ROCK STONE LAPIDARY SPECIMEN (1 of 2)

STONE CABOCHON ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

Jan 31, 2026

JEWELRY ROCK STONE LAPIDARY SPECIMEN (1 of 2)

JEWELRY ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

6 hrs Left

44.25ct Earthscape Oval Jasper Gemstone (1 of 2)

44.25ct Earthscape Oval Jasper Gemstone

Weatherham Estate Treasures

Feb 18, 2026

Natural Multi-Color Opal 1.45 Ct. Oval Cabochon Shape 9 x 7 Mm Gemstone From Ethiopia (1 of 3)

Natural Multi-Color Opal 1.45 Ct. Oval Cabochon Shape 9 x 7 Mm Gemstone From Ethiopia

Treasure of Gems & Jewelry

Feb 08, 2026

JEWELRY ROCK STONE LAPIDARY SPECIMEN (1 of 2)

JEWELRY ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

6 hrs Left

15.20 ct Natural Multicolor Pietersite, Oval, Opaque, Namibia (1 of 3)

15.20 ct Natural Multicolor Pietersite, Oval, Opaque, Namibia

Weatherham Estate Treasures

Feb 17, 2026

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

19.85ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL

Mar 01, 2026

Similar Sale History

Unlock All Prices

Sold

AUSTRALIAN MATRIX BOULDER OPAL - Preform Lot, 13 Pieces, 13.5, 8-28.6mm (Images Taken Wet) (1 of 2)

AUSTRALIAN MATRIX BOULDER OPAL - Preform Lot, 13 Pieces, 13.5, 8-28.6mm (Images Taken Wet)A dazzling lot of preform Australian matrix boulder opals, with individual sizes. These opals have been rubbed and pre-shaped, highlighting their vibrant natural colors and intricate ironstone matrix

Sold

AUSTRALIAN MATRIX BOULDER OPAL - Preform Lot, 11 Pieces, 10g, 14-19.2mm (Images Taken Wet) (1 of 2)

AUSTRALIAN MATRIX BOULDER OPAL - Preform Lot, 11 Pieces, 10g, 14-19.2mm (Images Taken Wet)A dazzling lot of preform Australian matrix boulder opals, with individual sizes. These opals have been rubbed and pre-shaped, highlighting their vibrant natural colors and intricate ironstone matrix

Sold

10.84Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 8)

10.84Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

8.55Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 7)

8.55Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

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

7.26Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 8)

7.26Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

4.18Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 4)

4.18Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

3.50Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 6)

3.50Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

11.02 Carat Matrix Boulder Opal from Koroit Queensland (1 of 6)

11.02 Carat Matrix Boulder Opal from Koroit Queensland This auction lot of 11.02-carat matrix boulder opal from Koroit Queensland, measuring 15.5x14.2x4.6mm, exemplifies the extraordinary natural beauty and intricate craftsmanship that makes this gemstone

Sold

6.24Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 3)

6.24Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

2.92Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 7)

2.92Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Thousand Planet Auction House Welcome to our auction house, today auction brought to you by Leharlequin Co., Ltd based in Bangkok, Thailand specialize in all kinds of opal and color gemstone both in m

Sold

14.84ct Matrix Boulder Opal from Koroit, Queensland (1 of 5)

14.84ct Matrix Boulder Opal from Koroit, Queensland This auction lot of 14.84-carat matrix boulder opal from Koroit, Queensland, measuring 19.8x15.0x4.7mm, exemplifies the stunning natural craftsmanship and intricate, vibrant play of colors, hallmarkin

Sold

8.46Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (JE3526) (1 of 4)

8.46Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (JE3526)Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

5.94Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (JE3520) (1 of 4)

5.94Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (JE3520)Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

3.80Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 4)

3.80Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Thousand Planet Auction House Welcome to our auction house, today auction brought to you by Leharlequin Co., Ltd based in Bangkok, Thailand specialize in all kinds of opal and color gemstone both in m

Sold

4.53Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 7)

4.53Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

3.62Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 9)

3.62Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

6.75Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 8)

6.75Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

9.55Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 8)

9.55Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

2.66Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 3)

2.66Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

12.59 Carat Matrix Boulder Opal from Koroit Queensland (1 of 5)

12.59 Carat Matrix Boulder Opal from Koroit Queensland This auction lot of 12.59-carat matrix boulder opal from Koroit Queensland, measuring 18.7x14.1x4.6mm, exemplifies the intricate craftsmanship and stunning vibrancy inherent to Australian opals. Matri

Sold

2.80Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 4)

2.80Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Thousand Planet Auction House Welcome to our auction house, today auction brought to you by Leharlequin Co., Ltd based in Bangkok, Thailand specialize in all kinds of opal and color gemstone both in m

Sold

4.36Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon (1 of 4)

4.36Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

Sold

3.52Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Pear Cabochon (1 of 6)

3.52Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Pear Cabochon Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

TOP