Opal

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465ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 61EX: This sliced rough parcel features multiple boulder opal slices displaying striking natural opal colour flashes set within solid ironstone host matrix. The slices exhibit varied patterns including vivi

2026

465ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 61EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

74.45ct Natural Australian Queensland Boulder Opal Cabochon Parcel Lot, 50EX: This polished cabochon parcel features six finished boulder opal cabochons with rich ironstone host matrix interlaced by vivid opal vein patterns. The cabochons display striking earthy brown-orange we

2026

74.45ct Natural Australian Queensland Boulder Opal Cabochon Parcel Lot, 50EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

5.77ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 17BY: This smoothly polished cabochon is genuine natural Ethiopian Welo opal. The translucent base hosts vivid multi-coloured play-of-colour, displaying dynamic flashes of multi color that shift as the view

2026

5.77ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 17BY

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

5.55ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 30BY: This smoothly polished cabochon is genuine natural Ethiopian Welo opal. The translucent base hosts vivid multi-coloured play-of-colour, displaying dynamic flashes of multi color that shift as the view

2026

5.55ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 30BY

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

390ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 62EX: This sliced rough parcel features multiple boulder opal slices displaying striking natural opal colour flashes set within solid ironstone host matrix. The slices exhibit varied patterns including vivi

2026

390ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 62EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

365ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 66EX: This sliced rough parcel features multiple boulder opal slices displaying striking natural opal colour flashes set within solid ironstone host matrix. The slices exhibit varied patterns including vivi

2026

365ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 66EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

138.74ct Natural Australian Queensland Boulder Opal Cabochon Parcel Lot, 48EX: This polished cabochon parcel features six finished boulder opal cabochons with rich ironstone host matrix interlaced by vivid opal vein patterns. The cabochons display striking earthy brown-orange we

2026

138.74ct Natural Australian Queensland Boulder Opal Cabochon Parcel Lot, 48EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

2.21ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 64BY: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 13x8x5mm. The black smoke treatment deepens

2026

2.21ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 64BY

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

2.15ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 66FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 10x8x5mm. The black smoke treatment deepens

2026

2.15ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 66FX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

435ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 60EX: This sliced rough parcel features multiple boulder opal slices displaying striking natural opal colour flashes set within solid ironstone host matrix. The slices exhibit varied patterns including vivi

2026

435ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 60EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

1.70ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 41FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 11x8x3mm. The black smoke treatment deepens

2026

1.70ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 41FX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

355ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 58EX: This sliced rough parcel features multiple boulder opal slices displaying striking natural opal colour flashes set within solid ironstone host matrix. The slices exhibit varied patterns including vivi

2026

355ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 58EX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

1.78ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 59FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 14x7x2mm. The black smoke treatment deepens

2026

1.78ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 59FX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

1.67ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 64FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 10x8x4mm. The black smoke treatment deepens

2026

1.67ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 64FX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

Sterling Silver, Onyx and Opal Mosaic Ring: Sterling Silver, Onyx and Opal Mosaic Ring - Ring size: 7.5. Weight: 6 grams.

2026

Sterling Silver, Onyx and Opal Mosaic Ring

Maitland, FL

GWS Auctions Inc.

4.4

(303)

Swarovski Crotone Fire Opal Crystal Fish Figurine: Swarovski faceted crystal fish figurine titled Crotone from the Paradise South Sea collection. The piece is rendered in a fire opal colorway, featuring a faceted crystal body in shades of yellow and o

2026

Swarovski Crotone Fire Opal Crystal Fish Figurine

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

Victorian Floral Glass Banquet Oil Lamp: Origin: American Date: Circa 1890-1910 Period/Style: Late Victorian Materials: Hand-painted opal glass, clear glass, cast metal, brass, and metal oil-lamp components Form: Banquet or parlor oil lamp <

2026

Victorian Floral Glass Banquet Oil Lamp

Aberdeen, MS

Stevens Auction Company

4.5

(165)

America Sterling Silver Pink Opal Paw Bear Dangling Earring's.: This is a America Sterling Silver Pink Opal Paw Bear Dangling Earring's.

2026

America Sterling Silver Pink Opal Paw Bear Dangling Earring's.

Los Angeles, CA

Pacific Auction House

4.5

(719)

Native America Navajo Sterling Silver Opal Ring By Leona Delgarito.: This is a Native America Navajo Sterling Silver Opal Ring By Leona Delgarito. Stamp LDG. Ring Size: 6.00.

2026

Native America Navajo Sterling Silver Opal Ring By Leona Delgarito.

Los Angeles, CA

Pacific Auction House

4.5

(719)

14K Opal Ring: 14K Opal Ring, Size 6

2026

Miller place, NY

Find Treasure

4

(18)

14k Gold Spider Brooch with Diamonds, Opal & Emerald Cabochon Stones: 14k Gold Spider Brooch with Diamonds, Opal & Emerald Cabochon Stones. Includes two small diamond rounds.

2026

14k Gold Spider Brooch with Diamonds, Opal & Emerald Cabochon Stones

Willoughby, OH

Dana J. Tharp Auctions

4.7

(313)

(5) 10k Gold Rings With and Without Gemstones: (5) 10k Gold Rings With and Without Gemstones: Seed pearls size 5, opal size 6, diamond chips size 7.25, decorative band size 8, Amethyst size 5.75. Total weight is 15.59 grams.

2026

(5) 10k Gold Rings With and Without Gemstones

Willoughby, OH

Dana J. Tharp Auctions

4.7

(313)

(2) 10k Gold Rings: (2) 10k Gold Rings: First ring with cabochon 2 tone stone size 5.75, weight is 1.77 grams. Second ring has opal oval center stone and ruby surrounds, size 5.25, weight is 3.35 grams.

2026

(2) 10k Gold Rings

Willoughby, OH

Dana J. Tharp Auctions

4.7

(313)

Set of 14kt Yellow gold Opal earrings and pendant: Set of 14kt Yellow gold Opal earrings and pendant. The total weight of the lot is 1.5 grams.

2026

Set of 14kt Yellow gold Opal earrings and pendant

Sterling, VA

KNJ

4.3

(92)

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24

Opal Auctions

Large Rookwood plaque, Summer, Hurley, 1948, 12 by 14 inches.

Rookwood Vellum, Barn Swallows and Moon, Shirayamadani, 1907.

Rare Rookwood Aerial Blue mug with Polar Bear, Shirayamadani, 1896.

Fall 2026: Rookwood + Art Pottery

Starts on:

Cincinnati, OH, US

0.95 Carats Natural Yellow Sapphire Gemstone - 6X5X3 mm

3.80 Carats Natural Santa Maria Aquamarine - 11X9X8 mm

7.20 Carats Paired Peridot Gemstones ? 9?8?6 mm Natural Pair

Natural Loose Gemstones Starting at $50

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

5 days Left

Rocki Gorman Sterling Silver Multi-Strand Cross Necklace 179.75g

Turquoise Sterling Silver Concho Belt on New Leather 12 Conchos 313.25g

Robert Johnson Navajo Turquoise Cuff

SILVER, STONE & STORY

Kahu Paws Trading LLC

Starts on:

Santa Fe, NM, US

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