Opal Collectibles

(163 upcoming items)

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Apr 16, 2026

ARCHIBALD KNOX (1864-1933) FOR LIBERTY & CO.

Lyon & Turnbull

Est. £2,000-£3,000

£1,400

6 days Left

Spring Action Pocket Knives

Atlee Raber Auctions

Est. $10-$1,000

$175(5 bids)

5 days Left

Chinese fine carved opal snuff bottle

Lake Lanier Antiques LLC

Est. $500-$1,000

$250

5 days Left

rare antique Chines carved opal raised Eagle motif snuff bottle with custom wood base

Lake Lanier Antiques LLC

Est. $500-$800

$250

Buy Now

1.09 ct. Natural Play of Color White Opal - ETHIOPIA

Kissing Auction

$500

1 day Left

Blue Opal Gemstone

Berner's Antique Auction Gallery

Est. $10-$1,000

$2(1 bid)

Apr 15, 2026

13.47ct Soul Prism Natural Multicolour Boulder Opal

Weatherham Estate Treasures

Est. $350-$500

$185

2 days Left

Dinosaur Tooth, Plant Fossil & 6 Opal Specimens

Artemis Fine Arts

Est. $700-$1,050

$350

1 day Left

Blue Opal Gemstone

Berner's Antique Auction Gallery

Est. $10-$1,000

$2(1 bid)

Apr 22, 2026

0.89ct Bluish White Oval Opal Cabochon Gemstones

Weatherham Estate Treasures

Est. $500-$600

$350

1 day Left

Blue Opal Gemstone

Berner's Antique Auction Gallery

Est. $10-$1,000

$2(1 bid)

Buy Now

Fern Fossils, Opal Specimens, & Dinosaur Tooth

Artemis Fine Arts

$455

Apr 08, 2026

Beautiful Fire Opal Loose Gemstone - 18 Carats

Fantasy Jewelry

Est. $300-$500

$250

Buy Now

Beautiful Fire Opal Loose Gemstone - 18 Carats

Fantasy Jewelry

$280

Buy Now

Beautiful Fire Opal Loose Gemstone - 18 Carats

Fantasy Jewelry

$280

6 days Left

2.62 Ct Natural Black Flashing Faceted Fire Opal Oval Cut

Gems Auction

Est. $75-$150

$26(3 bids)

Apr 15, 2026

6.27 ct Trillion Cabochon Midnight Starry Night Black Opal Gemstone

Weatherham Estate Treasures

Est. $250-$400

$180

2 days Left

Fossilized Fern Frond, Dinosaur Tooth, & Chocolate Opal

Artemis Fine Arts

Est. $600-$900

$300

2 days Left

1.50 ct Natural Orange Red Fire Opal, Oval Cut, Transparent, Mexico

Weatherham Estate Treasures

Est. $250-$350

$130

Apr 27, 2026

Earthsplit Flame Boulder Opal Cushion Cabochon

Weatherham Estate Treasures

Est. $300-$400

$190

Apr 24, 2026

2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico

Weatherham Estate Treasures

Est. $250-$350

$135

Apr 09, 2026

32.45ct Oval Cabochon Moss Green Cat's Eye Opal Gemstone

Weatherham Estate Treasures

Est. $320-$520

$120

3 hrs Left

Fire Opal - 1.85 Carats - 10X8X4 mm

Fantasy Jewelry

Est. $350-$400

$60

3 hrs Left

Fire Opal - 5.85 Carats - 19X15X5 mm

Fantasy Jewelry

Est. $250-$400

$130

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Opal Auctions

*1.49Ct Lightning Ridge Opal - Australian Opal , 230E

2.81cts Natural Million Year Old Baltic Insect Amber, 12x9mm, 1232B

33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B

Opal & Gemstone Treasure Auction Series 4

Ksmith Heritage Auctioneers

Starts on:

Jelutong, Penang, MY

5 days Left

2.05 Carats Natural Ruby Gemstone - 9X7X5 mm

Pretty Blue Tourmaline Gemstone - 1.10 Carats - 7X5X4 mm

4.55 Carats Paired Emerald Cut Santa Maria Aquamarine Gemstones - 10X7X5 mm

Natural Loose Gemstones Starting at $50

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

6 days Left

Trillion Cut Natural Sphene Gemstone - 4.5 Carats - 11X11X6 mm 2.65 Carats

4.30 Carats Natural Citrine Quartz Gemstone - 13X9X7 mm

3.60 Carats Natural Santa Maria Aquamarine Gemstone - 18X7X4 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

4 days Left

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Opal Collectibles

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Opal Auctions

Opal & Gemstone Treasure Auction Series 4

Natural Loose Gemstones Starting at $50

NO RESERVE Loose Gemstones

Opal Collectibles