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7.83Ct Boulder Opal - Australian Opal , 525E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 7.83Ct Dimension: 18.7x15.2x2.9 mm Treatment: Natural Untreated Type: Cabochon, P

2026

7.83Ct Boulder Opal - Australian Opal , 525E

Ksmith Heritage Auctioneers

33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 33Ct Dimension: 22 x 13 x 9 mm Treatment: Natural Untreated Shape: Freeform Type

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33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B

Ksmith Heritage Auctioneers

Est. US$90-US$180

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5.11 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.5mm, 13XM: This exceptional 5.11-carat Koroit boulder opal cabochon is a natural masterpiece, showcasing a dense, intricate tapestry of multicolored play-of-color set within a rich, earthy ironstone matrix. The

3 days Left

5.11 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.5mm, 13XM

Est. US$80-US$160

21.04 Carats Winton Boulder Opal Rough Slice - Natural Australian Stone, 43XP: This substantial Winton boulder opal rough slice showcases a striking horizontal band of vivid sky-blue and cerulean play-of-color, nestled within its natural ironstone host rock. Measuring precisely

3 days Left

21.04 Carats Winton Boulder Opal Rough Slice - Natural Australian Stone, 43XP

Est. US$60-US$120

4.38 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.9x9.6mm, 12XM: This striking 4.38-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring a dramatic banded ironstone matrix interwoven with vivid veins of iridescent play-of-color. The ova

3 days Left

4.38 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.9x9.6mm, 12XM

Est. US$60-US$120

1.74Ct Boulder Opal - Australian Opal , 373E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 1.74Ct Dimension: 9.2x6.5x3.2 mm Treatment: Natural Untreated Type: Cabochon, Pol

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1.74Ct Boulder Opal - Australian Opal , 373E

Ksmith Heritage Auctioneers

Est. US$90-US$180

3.52 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.2x9.9mm, 19XM: This striking 3.52-carat Koroit boulder opal cabochon is a natural work of geological art, featuring vivid veins of electric blue and iridescent green play-of-color that snake through a rich, earthy i

3 days Left

3.52 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.2x9.9mm, 19XM

Est. US$60-US$120

40Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1087B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 40Ct Dimension: 36 x 16 x 7 mm Treatment: Natural Untreated Shape: Freeform Type

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40Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1087B

Ksmith Heritage Auctioneers

Est. US$130-US$260

3.82 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.5mm, 7XM: This exceptional 3.82-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring a dense, intricate matrix of swirling chocolate-brown and deep plum ironstone, interwoven with v

3 days Left

3.82 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.5mm, 7XM

Est. US$60-US$120

34.92 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 42XP: This striking Winton boulder opal rough slab showcases a vivid, iridescent patch of emerald-green and electric-blue play-of-color, set against a soft sky-blue opal base and encased in a rugged ironsto

3 days Left

34.92 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 42XP

Est. US$80-US$160

9.98 Carats Boulder Opal Cabochon - Intricate Matrix Pattern Specimen, 64XM: This 9.98ct boulder opal cabochon, measuring 17x12mm, is a striking example of Australia's iconic gemstone, showcasing the unique beauty of nature's artistry. The oval cabochon is polished to a smooth

3 days Left

9.98 Carats Boulder Opal Cabochon - Intricate Matrix Pattern Specimen, 64XM

Est. US$80-US$160

4.47 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 14.8x8.5mm, 5XM: This striking 4.47-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring delicate, branching veins of iridescent play-of-color that snake through a deep, chocolate-brown ir

3 days Left

4.47 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 14.8x8.5mm, 5XM

Est. US$60-US$120

17.81 Carats Deep Blue and Brown Matrix Boulder Opal Cabochon - Natural Australian Stone, 41XM: This substantial boulder opal cabochon features a dramatic, layered composition of deep blue opal interwoven with rich brown and maroon ironstone matrix, accented by milky white opal veins that flow a

3 days Left

17.81 Carats Deep Blue and Brown Matrix Boulder Opal Cabochon - Natural Australian Stone, 41XM

Est. US$80-US$160

4.34 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.3mm, 4XM: This striking 4.34-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring a dramatic banded ironstone matrix with layered hues of deep plum, warm terracotta, and golden ochr

3 days Left

4.34 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.3mm, 4XM

Est. US$60-US$120

22.48 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 44XP: This elegant Winton boulder opal rough slab showcases a luminous band of soft sky-blue and pale lavender play-of-color, with subtle hints of violet iridescence that glow gently under light. Measuring

3 days Left

22.48 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 44XP

Est. US$60-US$120

3.08 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.3mm, 2XM: This captivating 3.08-carat Koroit boulder opal cabochon is a natural work of geological art, featuring delicate, scattered veins of vivid green, blue, and iridescent play-of-color that glow against a

3 days Left

3.08 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.3mm, 2XM

Est. US$60-US$120

2.52 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.7x8.3mm, 6XM: This striking 2.52-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring a dense, intricate matrix of swirling chocolate-brown ironstone, interwoven with vivid veins of iri

3 days Left

2.52 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.7x8.3mm, 6XM

Est. US$60-US$120

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP: This striking Winton boulder opal rough slab showcases a luminous band of ethereal sky-blue and pale aqua play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 27.6 x 1

3 days Left

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP

Est. US$60-US$120

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP: This substantial Winton boulder opal rough showcases a striking band of ethereal sky-blue and aqua-green play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 29.3 x 11

3 days Left

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP

Est. US$60-US$120

Chinese shoushan stone fine carved boulder with peanuts on top: 3.8 inches height including wooden base.

Apr 06, 2026

Chinese shoushan stone fine carved boulder with peanuts on top

Lake Lanier Antiques LLC

Est. US$160-US$400

5.01 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.2x9.6mm, 8XM: This exceptional 5.01-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring striking patches of milky blue opal infused with vivid iridescent play-of-color, set against a r

3 days Left

5.01 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.2x9.6mm, 8XM

Est. US$60-US$120

3.66 Carats Cream-Blue Boulder Opal - Natural Australian Stone, 48XM: This elegant boulder opal captivates with a soft, creamy base that transitions into cool, translucent blue layers, with subtle flashes of iridescent green and violet shimmering beneath its smooth, tri

3 days Left

3.66 Carats Cream-Blue Boulder Opal - Natural Australian Stone, 48XM

Est. US$60-US$120

2024 Iron Boulder Stellar Crown 071/142 Holo Pokemon Card: 2024 Pokemon Iron Boulder Future Paradox Pokemon card from the Scarlet & Violet Stellar Crown set numbered 071/142. Holographic card stored in penny sleeve and top loader.

Apr 10, 2026

2024 Iron Boulder Stellar Crown 071/142 Holo Pokemon Card

Est. US$4-US$8

15.19ct Boulder Opal Cabochon - Banded Matrix & Play-of-Color Specimen, 34XM: This 15.19ct boulder opal cabochon, measuring 19x15mm, is a striking example of Australia's iconic gemstone, showcasing the unique beauty of nature's artistry. The freeform cabochon is polished to a s

3 days Left

15.19ct Boulder Opal Cabochon - Banded Matrix & Play-of-Color Specimen, 34XM

Est. US$60-US$120

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