Opal

(7,676 upcoming items)

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2 days Left

5.20 Ct Natural Multicolor Welo Opal Flash Fire OVal Cut

Est.

$150

$300

$1

Gems AuctionBangkok, TH

Jul 13, 2026

Natural Multi-Color Opal Gemstones 1.41 Ct. 2 Pcs. Oval Cabochon Shape 7.9 x 5.5 Mm.

Est.

$35

$55

$6

Treasure of Gems & JewelryLake Charles, LA

4 days Left

3.3 Ct Opals Oval Australian Cab Cut

Est.

$60

$150

$30

GOLDEN SUN AUCTIONS, Inc.Fullerton, CA

2 days Left

2.65 Ct Natural Multicolor Welo Opal Oval Cut

Est.

$100

$200

$1

Gems AuctionBangkok, TH

Jul 21, 2026

Opal Sterling Silver Pierced Stud Earrings Box Included

Est.

$40

$120

$10

Golden Age Jewelry AuctionsUrbana, OH

2 days Left

2.30 Ct Natural Multicolor Welo Opal Pear Cut

Est.

$100

$200

$1

Gems AuctionBangkok, TH

Jul 05, 2026

Natural Multi Color Opal Gemstones 925 Sterling Silver Bracelet Jewelry 12.50 Grams Length 7 Inch

Est.

$546

$859

$1

Treasure of Gems & JewelryLake Charles, LA

2 days Left

3.60 Ct Natural Multicolor Welo Opal Flash Fire Pear Cut

Est.

$150

$300

$1

Gems AuctionBangkok, TH

2 days Left

2.10 Ct Natural Multicolor Welo Opal Oval Cut

Est.

$100

$200

$1

Gems AuctionBangkok, TH

2 days Left

2.10 Ct Natural Multicolor Welo Opal Flash Fire Oval Cut

Est.

$100

$200

$1

Gems AuctionBangkok, TH

2 days Left

2.80 Ct Natural Multicolor Welo Opal Oval Cut

Est.

$100

$200

$1

Gems AuctionBangkok, TH

2 days Left

1.68 Ct Natural Multicolor Welo Opal Pear Cut

Est.

$100

$200

$1

Gems AuctionBangkok, TH

2 days Left

3.41 Ct Natural Multicolor Welo Opal Flash Fire Pear Cut

Est.

$150

$300

$1

Gems AuctionBangkok, TH

2 days Left

5.71 Ct Natural Multicolor Welo Opal Cushion Cut

Est.

$200

$400

$1

Gems AuctionBangkok, TH

6 days Left

13g-Vintage Sterling Silver Jewelry Lot – Etched Bangle Bracelet & Opal Inlay Ring

Est.

$10

$120

$10

(1 bid)

Sphere Auctions LLCSun Prarie, WI

4 days Left

Natural Multi Color Play Of Color Rainbow Opal Gemstones 1.85 Ct. Round Cabochon Shape 9.1 Mm.

Est.

$75

$118

$1

Treasure of Gems & JewelryLake Charles, LA

Jul 03, 2026

62.00 Ct Natural Multicolor Fire Opal Round Cut Beads

Est.

$300

$600

$1

Gems AuctionBangkok, TH

4 days Left

Natural Multi Color Play Of Color Rainbow Opal Gemstones 1.68 Ct. Round Cabochon Shape 10 Mm.

Est.

$69

$108

$1

Treasure of Gems & JewelryLake Charles, LA

Jul 03, 2026

43.94 Ct Natural Multicolor Welo Fire Opal 16" Round Ball Beads

Est.

$350

$700

$1

Gems AuctionBangkok, TH

2 days Left

2.15 Ct Natural Multicolor Welo Opal Round Cab Pair

Est.

$100

$200

$1

Gems AuctionBangkok, TH

Jul 03, 2026

47.63 Ct Natural Multicolor Fire Opal Round Cut Beads

Est.

$200

$400

$1

Gems AuctionBangkok, TH

Jul 03, 2026

47.76 Ct Natural Multicolor Welo Opal Fire Round Beads

Est.

$200

$400

$1

Gems AuctionBangkok, TH

Jul 03, 2026

53.94 Ct Natural Multicolor Fire Opal Round Cut Beads

Est.

$250

$500

$1

Gems AuctionBangkok, TH

2 days Left

2.62 Ct Natural Multicolor Welo Opal Round Cab Pair

Est.

$100

$200

$1

Gems AuctionBangkok, TH

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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

4 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

1 day Left

4.21 Ct Cushion B.R Fire Opal 9K Gold Earrings

3.62 Ct Trillion Tourmaline 9K Gold Ring

Exquisite 9K Gold Gemstone Jewelry Collection

Jasper52

Starts on:

New York, NY, US

LiveAuctioneers

Opal

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Opal Auctions

Natural Loose Gemstones Diamond Opal Special

NO RESERVE Loose Gemstones

Exquisite 9K Gold Gemstone Jewelry Collection