Results for “Opal Rocks”

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Natural Multi Color White Opal Gemstones 3.33 Ct. Trilliant Shape 10.6 x 10.5 Mm.: Product ID: 818722923 Product Name: Natural Opal Weight: 3.33 CT. Size: 10.6 x 10.5 x 7.5 MM. Shape: Trilliant Color: White Clarity:Semi - Transparent Luster: Good Gems Origin: Mexico Treatment: Unhea

2 days Left

Natural Multi Color White Opal Gemstones 3.33 Ct. Trilliant Shape 10.6 x 10.5 Mm.

Est.

US$23

-

US$36

US$4

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(268)

23ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 65YX: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2 days Left

23ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 65YX

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

4.16ct Natural Brazilian Prasiolite Loose Gemstone, 59BE: This fully polished prasiolite presents a gentle pale mint-green body tone, with subtle natural internal crystalline features visible within the gem, measured at calibrated dimensions of 11x6.5mm. Car

2 days Left

4.16ct Natural Brazilian Prasiolite Loose Gemstone, 59BE

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

ThousandPlanet

4.5

(313)

66.11 Ct Natural Green Swiss Opal Round Cab: Weight - 66.11 Ct / Dimensions - 37.00 x 37.00 x 5.90 mm / Shape - Round Cab / Clarity - Translucent / Origin - Brazil / Treatment - None

Sep 18, 2026

66.11 Ct Natural Green Swiss Opal Round Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(489)

24.82ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 63YX: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2 days Left

24.82ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 63YX

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

4.80ct Natural Purple Amethyst Trillion Cut Loose Gemstone Parcel, 2TT: This parcel trillion faceted natural amethyst gemstones with aggregate total weight of 4.80 carats, each stone measuring 5.2x5.1x3.5mm. The gems display vibrant rich purple colouration with subtle nat

2 days Left

4.80ct Natural Purple Amethyst Trillion Cut Loose Gemstone Parcel, 2TT

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

*2.05Ct Smoked Freeform Welo Opal Polished - Ethiopian Opal , 208C: No Reserve Gems Auction Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 2.05Ct Dimension: 15.4x9.5x4.1 mm Treatment: Smoked Type: Freeform, Polished

3 days Left

*2.05Ct Smoked Freeform Welo Opal Polished - Ethiopian Opal , 208C

Est.

US$25

-

US$200

US$25

Georgetown, Penang

ThousandPlanet

4.5

(313)

3.03 Ct Natural Ink Blue Fire Opal Oval Cab: Weight - 3.03 Ct / Size -12.00 x 8.20 x 6.00 mm / Shape - Oval Cab / Color - Blue / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

Sep 21, 2026

3.03 Ct Natural Ink Blue Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Bangkok, TH

Gems Auction

4.7

(489)

142 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 37YS: This genuine natural rutilated quartz rough features distinct needle-like black rutile inclusions embedded within translucent clear quartz crystal, formed through natural hydrothermal geological proce

2 days Left

142 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 37YS

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

29ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 56YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

29ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 56YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

38ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 86YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

38ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 86YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

21.34ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 41YX: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2 days Left

21.34ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 41YX

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

24ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 65YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

24ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 65YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

0.39ct Natural Fancy Diamond Slice Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 66BG: This unique natural diamond slice features a delicate hand-executed rose cut surface, showcasing captivating pictorial mineral inclusions trapped within the diamond matrix. Measuring 7.9x5.3x0.8mm, th

2 days Left

0.39ct Natural Fancy Diamond Slice Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 66BG

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

ThousandPlanet

4.5

(313)

5.76ct Natural Pink Lavender Kunzite Pear Cut Loose Gemstone, 67TH: This faceted specimen is natural kunzite, fashioned in a pear cut. The stone presents a translucent pink lavender hue, with fine microscopic particulate inclusions scattered throughout the crystal mat

2 days Left

5.76ct Natural Pink Lavender Kunzite Pear Cut Loose Gemstone, 67TH

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.64 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 5YW: This neat square emerald cut sapphire showcases deep, saturated royal blue color, enhanced by clean reflective step facets. Natural internal fine fissures and scattered tiny mineral specks can be obse

2 days Left

1.64 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 5YW

Est.

US$15

-

US$200

US$15

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.61 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 4YW: This neat square emerald cut sapphire showcases deep, saturated royal blue color, enhanced by clean reflective step facets. Natural internal fine fissures and scattered tiny mineral specks can be obse

2 days Left

1.61 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 4YW

Est.

US$15

-

US$200

US$15

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

1.99 Carats Iridescent Blue and Violet Boulder Opal Cabochon - Natural Australian Stone, 59XM: This striking boulder opal cabochon features a translucent, milky base infused with delicate iridescent flashes of blue and violet, set against a contrasting matrix of earthy brown and golden inclusio

2 days Left

1.99 Carats Iridescent Blue and Violet Boulder Opal Cabochon - Natural Australian Stone, 59XM

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

0.29ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 47BG: This unique natural diamond slice features a delicate hand-executed rose cut surface, showcasing captivating pictorial mineral inclusions trapped within the diamond matrix. Measuring 6.9x5.2x0.6mm, th

2 days Left

0.29ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 47BG

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

ThousandPlanet

4.5

(313)

2.46 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 97TS: This neat square emerald cut sapphire showcases deep, saturated royal blue color, enhanced by clean reflective step facets. Natural internal fine fissures and scattered tiny mineral specks can be obse

2 days Left

2.46 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 97TS

Est.

US$15

-

US$200

US$15

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

242.32ct Natural Cambodian Blue Zircon Rough Parcel Loose Gemstone, 70YT: This parcel consists of natural unpolished blue zircon rough crystals with translucent sky-blue to teal hues, featuring natural crystalline textures and facets. Minor matrix and inclusions are visible

2 days Left

242.32ct Natural Cambodian Blue Zircon Rough Parcel Loose Gemstone, 70YT

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

23.62ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 27YZ: This smoothly polished cabochon of natural phantom quartz preserves delicate layered phantom crystal formations enclosed inside transparent quartz host. The domed polished surface offers unobstructed

2 days Left

23.62ct Natural Brazilian Phantom Quartz Oval Cabochon Loose Gemstone, 27YZ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.36ct Natural Purple Amethyst Round Cut Loose Gemstone Parcel, 18TZ: This parcel contains round faceted natural amethyst gemstones with aggregate total weight of 3.36 carats, each stone measuring 4.1x3.1mm. The gems display rich purple colouration with subtle natural i

2 days Left

3.36ct Natural Purple Amethyst Round Cut Loose Gemstone Parcel, 18TZ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

0.27ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 33BG: This unique natural diamond slice features a delicate hand-executed rose cut surface, showcasing captivating pictorial mineral inclusions trapped within the diamond matrix. Measuring 7.4x5.5x0.6mm, th

2 days Left

0.27ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 33BG

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

ThousandPlanet

4.5

(313)

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