Results for “Opal Rocks”

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16.61 Ct Natural Dendrite Opal Pear Cab: weight - 16.61 Ct / Dimensions - 28.00 x 18.20 x 4.70 mm / Shape & Cut - Excellent Pear Cab / Origin - Brazil / Comments - None

Aug 21, 2026

16.61 Ct Natural Dendrite Opal Pear Cab

Est.

$100

-

$200

$1

Gems AuctionBangkok, TH

1.77 Carats Natural Golden Yellow Citrine Heart Faceted Loose Gemstone, 90XX: This citrine is harvested from natural quartz deposits and finished with precise faceting and reflective high gloss polishing using professional lapidary workmanship. Minor faint internal crystalline

1 day Left

1.77 Carats Natural Golden Yellow Citrine Heart Faceted Loose Gemstone, 90XX

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

21.76ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YP: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

1 day Left

21.76ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YP

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

7.25 Carats Natural Pale Pink Kunzite Loose Gemstone, 65WJ: This genuine natural kunzite carries soft pale pink tonal hues formed through long-term natural geological mineral crystallization. Fine tiny internal mineral flecks and faint natural crystalline mark

1 day Left

7.25 Carats Natural Pale Pink Kunzite Loose Gemstone, 65WJ

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

13.85 Ct Natural Green Swiss Opal Fancy Cab: weight - 13.85 Ct / Dimensions - 24.30 x 14.20 x 4.70 mm / Shape & Cut - Excellent Fancy Cab / Origin - Brazil / Comments - None

Aug 21, 2026

13.85 Ct Natural Green Swiss Opal Fancy Cab

Est.

$100

-

$200

$1

Gems AuctionBangkok, TH

5.34 Carats Natural Pale Pink Kunzite Loose Gemstone, 68WJ: This genuine natural kunzite carries soft pale pink tonal hues formed through long-term natural geological mineral crystallization. Fine tiny internal mineral flecks and faint natural crystalline mark

1 day Left

5.34 Carats Natural Pale Pink Kunzite Loose Gemstone, 68WJ

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

9.40 Carats Natural Pale Pink Kunzite Loose Gemstone, 67WJ: This genuine natural kunzite carries soft pale pink tonal hues formed through long-term natural geological mineral crystallization. Fine tiny internal mineral flecks and faint natural crystalline mark

1 day Left

9.40 Carats Natural Pale Pink Kunzite Loose Gemstone, 67WJ

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

1.91 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 37WS: 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

1 day Left

1.91 Carats Royal Blue Sapphire Square Emerald Cut Loose Gemstone, 37WS

Est.

$10

-

$200

$10

Lazo HeritageSathorn, Bangkok

65.61 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 79YR: 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

1 day Left

65.61 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 79YR

Est.

$10

-

$200

$10

Lazo HeritageSathorn, Bangkok

$1.72 Carats Aqua Toned Moissanite Loose Gemstone, 74WP: This moissanite features dimensional measurements of 7.8x4.7mm, lab-grown silicon carbide material valued for superior light refraction that delivers vivid multi-hued sparkle across all lighting condi$

1 day Left

1.72 Carats Aqua Toned Moissanite Loose Gemstone, 74WP

Est.

$10

-

$200

$10

Lazo HeritageSathorn, Bangkok

24.06 Ct Natural Dendrite Opal Oval Cab: weight - 24.06 Ct / Dimensions - 34.00 x 20.90 x 4.10 mm / Shape & Cut - Excellent Oval Cab / Origin - Brazil / Comments - None

Aug 21, 2026

24.06 Ct Natural Dendrite Opal Oval Cab

Est.

$100

-

$200

$1

Gems AuctionBangkok, TH

12.83 Ct Natural Green Opal Oval Cab: Weight - 12.83 Ct / Dimensions - 19.60 x 14.20 x 5.90 mm / Shape - Oval Cab / Color - Green / Clarity - Opaque / Origin - Brazil / Treatment - None

Aug 21, 2026

12.83 Ct Natural Green Opal Oval Cab

Est.

$100

-

$200

$1

Gems AuctionBangkok, TH

439.27 Carats Snake Jasper Cabochon Parcel (8 Pieces), 63WC: This curated set of 8 polished snake jasper cabochons showcases a serene, earthy palette of soft creams, whites, and muted beiges, accented by subtle hints of green, brown, and grey. Each stone featur

1 day Left

439.27 Carats Snake Jasper Cabochon Parcel (8 Pieces), 63WC

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

4.26 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 87XL: This striking Koroit Yowah opal cabochon, measuring 13.4x9.6x3.0mm, features a complex, vein-like ironstone matrix in layered tones of deep plum, rich brown, and warm tan. The matrix is crisscrossed b

1 day Left

4.26 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 87XL

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

Sapphire 24.57Ct Oval Cut Natural Heated Fancy Color Sapphire Madagascar Oval Cabochon, 826B: 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

3 days Left

Sapphire 24.57Ct Oval Cut Natural Heated Fancy Color Sapphire Madagascar Oval Cabochon, 826B

Est.

$10

-

$100

$10

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

1.59ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 77AS: This Mozambique fancy color tourmaline carries physical measurements of 7.7x5.2x4.3mm, representing a fine example of collectible fancy tourmaline sourced from established Mozambican mineral deposits

4 hrs Left

1.59ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 77AS

Est.

$10

-

$200

$10

ThousandPlanetSathorn, Bangkok

162.99 Carats Solar Quartz Cabochon Parcel - Natural Loose Gemstones, 93ZL: This substantial parcel of solar quartz cabochons, weighing a total of 162.99 carats with individual dimensions ranging from 2.3 to 3.2 cm, showcases the gemstone's ethereal, crystalline beauty. Each

1 day Left

162.99 Carats Solar Quartz Cabochon Parcel - Natural Loose Gemstones, 93ZL

Est.

$25

-

$200

$25

Lazo HeritageSathorn, Bangkok

1.42 Ct Natural Green Fire Opal Round Cab: Weight - 1.42 Ct / Dimensions - 8.20 x 8.20 x 4.40 mm / Shape - Round cab / Clarity - Semi Transparent / Origin - Ethiopia / Treatment - Colror Heated

Aug 19, 2026

1.42 Ct Natural Green Fire Opal Round Cab

Est.

$75

-

$150

$1

Gems AuctionBangkok, TH

2.62CTS Natural Unheated Yellow Mexico Opal Pear 9.1x10.7x6.4MM, 1105B: 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

3 days Left

2.62CTS Natural Unheated Yellow Mexico Opal Pear 9.1x10.7x6.4MM, 1105B

Est.

$10

-

$100

$10

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

40 Carats Natural Vibrant Green Chrome Diopside Rough Specimen, 26YS: This is an untreated natural chrome diopside mineral specimen formed through natural geological processes, displaying rich green coloration caused by chromium content within its crystalline structure.

1 day Left

40 Carats Natural Vibrant Green Chrome Diopside Rough Specimen, 26YS

Est.

$10

-

$200

$10

Lazo HeritageSathorn, Bangkok

A Chinese Hardstone Pebble Carving, 20th Century, 64YB: Carved from a naturally shaped hardstone pebble with creamy beige, honey, and pale green tonal banding, worked in low relief and polished overall. One face is carved with a stylized floral composition

1 day Left

A Chinese Hardstone Pebble Carving, 20th Century, 64YB

Est.

$10

-

$200

$10

Lazo HeritageSathorn, Bangkok

160 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 39YS: 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

1 day Left

160 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 39YS

Est.

$10

-

$200

$10

Lazo HeritageSathorn, Bangkok

43.34 Ct Natural Green Swiss Opal Round Cab: Weight - 43.34 Ct / Dimensions - 30.00 x 30.00 x 6.40 mm / Shape - Round Cab / Clarity - Translucent / Origin - Brazil / Treatment - None

2 days Left

43.34 Ct Natural Green Swiss Opal Round Cab

Est.

$100

-

$200

$1

Gems AuctionBangkok, TH

22.47 Ct Natural Green Opal Oval Cab: Weight - 22.47 Ct / Dimensions - 25.40 x 18.70 x 6.70 mm / Shape - Oval Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

Aug 21, 2026

22.47 Ct Natural Green Opal Oval Cab

Est.

$100

-

$200

$1

Gems AuctionBangkok, TH

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