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94.91 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ89: This substantial Winton boulder opal rough is a breathtaking showcase of Australia's iconic boulder opal. The rugged, layered ironstone matrix forms a striking canvas, its swirling earthy tones contra

17 hrs Left

94.91 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ89

Est. $180-$360

$5

ThousandPlanetSathorn, Bangkok

53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal at its finest. The polished face reveals a large, continuous sheet of opal glowing with shifting hues o

17 hrs Left

53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95

Est. $120-$240

$5

ThousandPlanetSathorn, Bangkok

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88: This impressive Winton boulder opal rough is a striking example of Australian opal's dramatic natural beauty. The substantial ironstone matrix forms a rugged, earthy base, with a broad, polished face

17 hrs Left

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88

Est. $160-$320

$5

ThousandPlanetSathorn, Bangkok

BOULDER OPAL RING BOHO SIZE 5.25 STERLING SILVER WOMEN: BOULDER OPAL RING BOHO SIZE 5.25 STERLING SILVER WOMEN Cantera Boulder Opal ring boho size 5.25 sterling silver women Size 5.25 Between a size 5.25 and a size 5.50 Weight. 12.2g Length 1" Width. 7/8"

Jun 07, 2026

BOULDER OPAL RING BOHO SIZE 5.25 STERLING SILVER WOMEN

Est. $183-$205

$150

Modern JewelryValley Village, CA

Chinese jade boulder carving: 3.8 inches height. 178 grams. We will inhouse ship items to you very affordable and efficient. Select self-arrange shipping.

Jun 08, 2026

Chinese jade boulder carving

Est. $160-$300

$80

Lake Lanier Antiques LLCGainesville , GA

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

17 hrs Left

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

Est. $60-$120

$5

ThousandPlanetSathorn, Bangkok

A Chinese Hetian Jade Natural Boulder Display Stone, 20th Century, 5YB: Formed from a natural Hetian nephrite jade boulder, the stone is presented largely uncarved, with only minimal shaping to stabilize the base and enhance its display orientation. The surface exhibits a

17 hrs Left

A Chinese Hetian Jade Natural Boulder Display Stone, 20th Century, 5YB

Est. $40-$80

$5

ThousandPlanetSathorn, Bangkok

FEATURED

1.40 Carats Forest Green Vegetation Boulder Opal - Natural Australian Stone, LZ42: This extraordinary 1.40 carat vegetation boulder opal, measuring 9.7mm x 7.4mm x 2.5mm, is a breathtaking example of nature's artistry. Polished into a smooth oval cabochon, its face reveals a stunnin

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1.40 Carats Forest Green Vegetation Boulder Opal - Natural Australian Stone, LZ42

Est. $90-$180

$5

ThousandPlanetSathorn, Bangkok

40.85 Carats Royal Blue Winton Boulder Opal Rough - Natural Australian Stone, LZ101: This striking boulder opal rough from Winton, Australia, presents a dramatic contrast of rich, metallic ironstone matrix and vivid royal blue opal. The polished face reveals broad, saturated swathes o

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40.85 Carats Royal Blue Winton Boulder Opal Rough - Natural Australian Stone, LZ101

Est. $110-$220

$5

ThousandPlanetSathorn, Bangkok

2.55 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.8x6.8mm, 9XM: This striking 2.55-carat Koroit boulder opal cabochon is a natural geological masterpiece, featuring vivid veins of iridescent play-of-color that snake through a rich, dark ironstone matrix. The elong

17 hrs Left

2.55 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.8x6.8mm, 9XM

Est. $50-$100

$5

ThousandPlanetSathorn, Bangkok

1.66 Carats Electric Green Web Matrix Boulder Opal - Natural Australian Stone, LZ47: This striking 1.66 carat matrix boulder opal, measuring 9.5mm x 6.9mm x 2.6mm, is a breathtaking display of natural electric color. Polished into a smooth oval cabochon, its face features a rich, gran

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1.66 Carats Electric Green Web Matrix Boulder Opal - Natural Australian Stone, LZ47

Est. $90-$180

$5

ThousandPlanetSathorn, Bangkok

Chinese shoushan stone fine carved boulder with peanuts on top: 3.8 inches height including wooden base. We will inhouse ship items to you very affordable and efficient. Select self-arrange shipping.

Jun 08, 2026

Chinese shoushan stone fine carved boulder with peanuts on top

Est. $160-$400

$80

Lake Lanier Antiques LLCGainesville , GA

28.80 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 40XP: This impressive 28.80ct Winton boulder opal rough slab features a dramatic field of rich, velvety cobalt blue iridescence, with streaks of vivid indigo and hints of seafoam-green that glow intensely u

17 hrs Left

28.80 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 40XP

Est. $60-$120

$5

ThousandPlanetSathorn, Bangkok

A Lot of Fossilized Boulder Opal Rough Specimens, 61ZJ: This lot comprises six fossilized boulder opal rough specimens, ranging in size from 2.7 to 3.5 cm, with a total weight of 83.25 grams. Each specimen retains its natural ironstone host rock matrix, ex

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A Lot of Fossilized Boulder Opal Rough Specimens, 61ZJ

Est. $30-$60

$5

ThousandPlanetSathorn, Bangkok

2.15 Carats Boulder Opal Cabochon - Soft Pastel Play-of-Color Specimen, 60XM: This 2.15ct boulder opal cabochon, measuring 12x7mm, is a delicate example of Australia's iconic gemstone, showcasing the ethereal beauty of nature's artistry. The freeform triangular cabochon is poli

17 hrs Left

2.15 Carats Boulder Opal Cabochon - Soft Pastel Play-of-Color Specimen, 60XM

Est. $50-$100

$5

ThousandPlanetSathorn, Bangkok

4.15 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.9x9.9mm, 17XM: This exceptional 4.15-carat Koroit boulder opal cabochon is a natural masterpiece, showcasing a striking, organic formation of milky white and peach-toned opal, infused with a vivid spectrum of play-o

17 hrs Left

4.15 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.9x9.9mm, 17XM

Est. $50-$100

$5

ThousandPlanetSathorn, Bangkok

Australian Boulder Opal and Diamond Pendant in 14k Yellow Gold: In 14k Yellow Gold. Contains one 21x13mm high quality natural doublet Australian Boulder Opal gemstone with excellent play of color. Also contains four high quality 1/2pt diamonds. 1 1/4 inch long (in

9 hrs Left

Australian Boulder Opal and Diamond Pendant in 14k Yellow Gold

Est. $2,387-$3,580

$1,200

Eric's Estate & JewelryPunta Gorda, FL

Chinese jadeite jade boulder carving of a rooster on wooden base: Statue is adhered to wooden base. Total height is 4.8 inches. Total weight is 430 grams. We will inhouse ship items to you very affordable and efficient. Select self-arrange shipping.

Jun 08, 2026

Chinese jadeite jade boulder carving of a rooster on wooden base

Est. $200-$400

$100

Lake Lanier Antiques LLCGainesville , GA

Chinese jade boulder carved of a ladybug on leaf statue: 4 inches height not including wooden base. 500 grams. We will inhouse ship items to you very affordable and efficient. Select self-arrange shipping.

Jun 08, 2026

Chinese jade boulder carved of a ladybug on leaf statue

Est. $200-$500

$100

Lake Lanier Antiques LLCGainesville , GA

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM: This exceptional 3.63-carat Koroit boulder opal cabochon is a natural work of art, featuring vivid veins of electric blue and iridescent play-of-color that snake through a warm, earthy ironstone matri

17 hrs Left

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM

Est. $80-$160

$5

ThousandPlanetSathorn, Bangkok

35.90 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ96: This striking Winton boulder opal rough is a dramatic example of Australian boulder opal's raw beauty. The polished face reveals a broad, vibrant sheet of opal glowing with intense, saturated hues of

17 hrs Left

35.90 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ96

Est. $90-$180

$5

ThousandPlanetSathorn, Bangkok

Australian Boulder Opal and Diamond Pendant in 14k Yellow Gold: In 14k Yellow Gold. Contains one 21x13mm high quality natural doublet Australian Boulder Opal gemstone with excellent play of color. Also contains four high quality 1/2pt diamonds. 1 1/4 inch long (in

1 day Left

Australian Boulder Opal and Diamond Pendant in 14k Yellow Gold

Est. $2,387-$3,580

$1,200

Eric's Estate & JewelryPunta Gorda, FL

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

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

Est. $60-$120

$5

ThousandPlanetSathorn, Bangkok

Natural Multi Color Opal Boulder Gemstones 20.99 Ct. Swan Carving: Product ID: 818727185 Product Name: Natural Opal Carving Weight: 20.99 CT. Size: 31 x 22 x 5 MM. Shape: Swan Carving Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Australia Treatme

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Natural Multi Color Opal Boulder Gemstones 20.99 Ct. Swan Carving

$127

Treasure of Gems & JewelryLake Charles, LA

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