Opal

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4.06 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 4.06 Ct / Dimensions - 4.40 - 4.70 mm / 13 PC's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

4.06 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Gems AuctionBangkok, TH

4.08 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 4.08 Ct / Dimensions - 4.40 - 4.70 mm / 12 PC's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

4.08 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Gems AuctionBangkok, TH

2.50 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 2.50 Ct / Dimensions - 4.00 - 4.30 mm / 10 PC's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.50 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Gems AuctionBangkok, TH

2.06 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 2.06 Ct / Dimensions - 7.1x5.1 - 7.2x5.3 mm / 4 Pc's / Shape & Cut - Oval cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.06 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Gems AuctionBangkok, TH

2.45 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 2.45 Ct / Dimensions - 7.0x5.0 - 7.3x5.3 mm / 4 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.45 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Gems AuctionBangkok, TH

1.42 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 1.42 Ct / Dimensions - 6.2x4.2 - 6.4x4.5 mm / 4 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.42 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Gems AuctionBangkok, TH

1.55 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Set: Weight - 1.55 Ct / Dimensions - 5.10 - 5.20 mm / 4 Pc's / Shape & Cut - Round Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.55 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Set

Gems AuctionBangkok, TH

0.53 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,285!: Gemstone: OpalColor: WhiteShape: OvalSize: 6x4Quantity: 2CTW: 0.51 Diamond DescriptionShape: RoundsSize: 1.1mm Quantity: 2CTW: 0.02Grade: I3Color: H-I Material Information:Plating Material: 18K Yellow

2026

0.53 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,285!

U.S. Auction GalleryEncino, CA

12.37ct Natural Australian Queensland Matrix Boulder Opal Triangular Cabochon, 24AV: Hand polished smooth symmetrical triangle cabochon of natural Queensland matrix boulder opal, featuring rich speckled brown ironstone matrix split between warm amber-brown opal bands at the apex and t

2026

12.37ct Natural Australian Queensland Matrix Boulder Opal Triangular Cabochon, 24AV

ThousandPlanetSathorn, Bangkok

1.56ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 5FL: 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 9.2x9x3.7mm. The black smoke treatment deepe

2026

1.56ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 5FL

ThousandPlanetSathorn, Bangkok

1.78ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 55AK: 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 10.6x8.1x4.6mm. The black smoke treatment de

2026

1.78ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 55AK

ThousandPlanetSathorn, Bangkok

2.13ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 81AK: 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 12.4x7.6x5mm. The black smoke treatment deep

2026

2.13ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 81AK

ThousandPlanetSathorn, Bangkok

10.62ct Natural Australian Queensland Matrix Boulder Opal Freeform Teardrop Cabochon, 56AX: Hand polished organic freeform teardrop cabochon of natural Queensland matrix boulder opal, featuring deep dark granular ironstone matrix crisscrossed with thick branching opal veins blending pale mil

2026

10.62ct Natural Australian Queensland Matrix Boulder Opal Freeform Teardrop Cabochon, 56AX

ThousandPlanetSathorn, Bangkok

25.77ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 100AX: 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

2026

25.77ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 100AX

ThousandPlanetSathorn, Bangkok

58.40ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 37AX: 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

2026

58.40ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 37AX

ThousandPlanetSathorn, Bangkok

1.67ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 30FL: 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 10.3x8.1x4mm. The black smoke treatment deep

2026

1.67ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 30FL

ThousandPlanetSathorn, Bangkok

39.24ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 65AY: 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

2026

39.24ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 65AY

ThousandPlanetSathorn, Bangkok

38.36ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 23AY: 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

2026

38.36ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 23AY

ThousandPlanetSathorn, Bangkok

67.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 42AX: 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

2026

67.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 42AX

ThousandPlanetSathorn, Bangkok

42.25ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20AX: 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

2026

42.25ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20AX

ThousandPlanetSathorn, Bangkok

35.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 87AX: 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

2026

35.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 87AX

ThousandPlanetSathorn, Bangkok

60.89ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 95AV: 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

2026

60.89ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 95AV

ThousandPlanetSathorn, Bangkok

32.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 7AX: 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

2026

32.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 7AX

ThousandPlanetSathorn, Bangkok

59.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 29AY: 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

2026

59.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 29AY

ThousandPlanetSathorn, Bangkok

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Opal Auctions

1.97Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 445E

29.90Ct Moss Agate Cabochon - Polished - 31x21mm Approx , 320E

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 344B

The Aurora Treasury Gems & Jewels #3

Ksmith Heritage Auctioneers

Starts on:

Jelutong, Penang, MY

3 days Left

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

1.25 Carats Deep Blue Natural Aquamarine Loose Gemstone - 9X6X4 mm

Baby Pink Top quality Natural Kunzite loose Gemstone - 3.25 Carats - 9X8.5X6 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

3 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

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