Opal

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42.94 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 41XP: This museum-grade Winton boulder opal rough slab presents a dramatic canvas of mesmerizing seafoam-green and sky-blue iridescence, embedded within its natural ironstone matrix. Measuring a substantial

2026

42.94 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 41XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

5.84 Carats Turquoise Blue Boulder Opal - Natural Australian Stone, 49XM: This striking boulder opal captivates with a vivid turquoise-blue base that shimmers with subtle flashes of green and violet iridescence, evoking the vivid hues of tropical waters. The stone's smooth,

2026

5.84 Carats Turquoise Blue Boulder Opal - Natural Australian Stone, 49XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

11.90ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 32XM: This 11.90ct Winton boulder opal rough, measuring 17x13mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The specimen retains its natural ironst

2026

11.90ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 32XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

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

2026

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

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

7.13 Carats Multicolor Iridescent Boulder Opal Cabochon - Natural Australian Stone, 50XM: This striking boulder opal cabochon features an elongated, tapered form with a rich brown ironstone matrix interspersed with vibrant, iridescent opal inclusions. The stone's polished surface showcases

2026

7.13 Carats Multicolor Iridescent Boulder Opal Cabochon - Natural Australian Stone, 50XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

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

2026

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

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

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

2026

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

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

35.06 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 38XP: This impressive 35.06ct Winton boulder opal rough slab features a dynamic mosaic of luminous peacock blue and seafoam-green iridescence, interwoven with intricate ironstone matrix patterns. Measuring

2026

35.06 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 38XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

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

2026

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

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

29.01 Carats Winton Boulder Opal Rough Slab - Natural Australian Opion, 35XP: This striking 29.01ct Winton boulder opal rough slab boasts a mesmerizing blend of aquatic blue and seafoam-green iridescence, embedded within its natural ironstone matrix. Measuring a substantial 27

2026

29.01 Carats Winton Boulder Opal Rough Slab - Natural Australian Opion, 35XP

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

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

2026

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

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

2.40 Carats Natural Ethiopian Welo Opal - Rectangle Cabochon Loose Gemstone Lot, 6WE: Natural rectangle cabochon Welo opal lot, sourced from the premium Welo deposit in Ethiopia. This curated collection features 3 exceptional opals with translucent, milky white bases, each alive with v

2026

2.40 Carats Natural Ethiopian Welo Opal - Rectangle Cabochon Loose Gemstone Lot, 6WE

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

12.80 Carats Iridescent Sky Blue Winton Opal Rough - Natural Australian Specimen 18x11mm, 80XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of sky blue and subtle turquoise swirl through a milky, translucent base. The natural,

2026

12.80 Carats Iridescent Sky Blue Winton Opal Rough - Natural Australian Specimen 18x11mm, 80XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

10.12 Carats Multi-Tone Opal Cabochon Trio - Natural Ethiopian Stones - 11 to 14mm, 19XA: This radiant trio of Ethiopian opals showcases a dreamy spectrum of play-of-color-from fiery reds and oranges to serene flashes of green, blue, and violet. Each cabochon is domed and polished to a gla

2026

10.12 Carats Multi-Tone Opal Cabochon Trio - Natural Ethiopian Stones - 11 to 14mm, 19XA

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

11.79 Carats Winton Boulder Opal Rough - Broad Blue-Green Play-of-Color Specimen, 33XM: This 11.79ct Winton boulder opal rough, measuring 18x9mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The specimen retains its natural ironsto

2026

11.79 Carats Winton Boulder Opal Rough - Broad Blue-Green Play-of-Color Specimen, 33XM

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

Dendrite Opal 3.98Ct Fancy Cut Natural Faceted Dendrite Opal, 1200MZ: 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

2026

Dendrite Opal 3.98Ct Fancy Cut Natural Faceted Dendrite Opal, 1200MZ

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

7.62Ct Winton Boulder Opal Polished - Australian Opal - Oval Cabochon, 875A: 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

2026

7.62Ct Winton Boulder Opal Polished - Australian Opal - Oval Cabochon, 875A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Tourmaline 11.70Ct Natural Unheated Tourmaline Green Color Rough Nigeria Mine LOT, 281B: 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

2026

Tourmaline 11.70Ct Natural Unheated Tourmaline Green Color Rough Nigeria Mine LOT, 281B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

16.83Ct Group of Natural Bi-Color Ruby Slice Lot, 1013MZ: 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

2026

16.83Ct Group of Natural Bi-Color Ruby Slice Lot, 1013MZ

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

Tourmaline 113.15Ct Large Natural Pink Green Tourmaline Rough Nigeria Mine, 251A: 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

2026

Tourmaline 113.15Ct Large Natural Pink Green Tourmaline Rough Nigeria Mine, 251A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

5.47 CTS Natural Heated Pink Ruby Madagascar Oval Cut Gemstone (OT7012), 588A: 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

2026

5.47 CTS Natural Heated Pink Ruby Madagascar Oval Cut Gemstone (OT7012), 588A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

22.40Ct Natural Freshwater Rainbow Freeform Pearl, 838A: 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

2026

22.40Ct Natural Freshwater Rainbow Freeform Pearl, 838A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

11.74Ct Natural Labradorite Hand Carved Cut Gemstone, 552B: 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

2026

11.74Ct Natural Labradorite Hand Carved Cut Gemstone, 552B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

21.0Ct Unheated Green Emerald & Diopside Handmade Ring 925 Silver Size 7.5 (OT6916), 565A: 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

2026

21.0Ct Unheated Green Emerald & Diopside Handmade Ring 925 Silver Size 7.5 (OT6916), 565A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

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Opal Auctions

Natural Multi Color Play Of Colour Opal Gemstones 1.05 Ct. Oval Cabochon Shape 13 x 9.5 Mm.

Natural Paraiba Color Apatite Gemstones 58.85 Ct. Briolette With Drilled Beads Length 10 Inch

Natural Green Demantoid Garnet Gemstones 1.35 Ct. Oval Shape 6.42 x 5.70 Mm.

Natural Loose Gemstones Diamond Opal Special

Treasure of Gems & Jewelry

Starts on:

Lake Charles, LA, US

6 days Left

6.40 Cts Natural amethyst Gemstone - 12X10.5X8 mm

TPZ211 11.65 carats AAA Quality Laser cut Swiss Blue Topaz 17?13?7 mm

2.40 Cts Pear Shape Natural Aquamarine Loose Gemstone - 11X8X5 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

3 days Left

Weller Sicard 1902-07 Art Nouveau Pottery Iridescent Luster Floral Decorated 25" Floor Vase

Louis Marx & Co. 1930s Tin Lithograph "Roadside Rest Service Station" Toy Set

Freiwald Studio Art Pottery Hand Made Figural Bat Taking Flight On Green Stump Ceramic Sculpture

Decorative Arts And Fine Objects Auction

Crafted Auctions

Starts on:

Germantown Hills, IL, US

6 days Left

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