Opal

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1.31 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 1.31 Ct / Dimensions - 6.1x4.2 - 6.4x4.4 mm / 4 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.31 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Bangkok, TH

Gems Auction

4.7

(490)

Platinum Black Opal and Diamond Halo Pendant Necklace: This platinum pendant necklace features a central oval cabochon black opal weighing approximately 0.806 carats based on the reverse engraving. The stone is set in a four-prong mounting and exhibits vi

2026

Platinum Black Opal and Diamond Halo Pendant Necklace

Atlanta, GA

Gallery 63

4.6

(296)

VTG Pyrex Friendship Pattern Lasagna Pan: Vintage White Opal Glass Pyrex Lasagna Pan with Red Bird and Floral Friendship Pattern. Scratching, Staining, and Residue Present. Measures app 2in H x 15.25in L. Vintage Pyrex, Opal Glass, Lasagna Pa

2026

VTG Pyrex Friendship Pattern Lasagna Pan

Mount Kisco, NY

The Benefit Shop Foundation Inc.

4.4

(3.5k)

ANTIQUE OPAQUE SWIRL GLASS MARBLES, LOT OF THREE: ANTIQUE OPAQUE SWIRL GLASS MARBLES, LOT OF THREE, opaque black, comprising three Lutz Swirls, one gold aventurine and opal; one gold aventurine, opal, and green; and one

2026

ANTIQUE OPAQUE SWIRL GLASS MARBLES, LOT OF THREE

Mt. Crawford, VA

Jeffrey S. Evans & Associates

4.6

(1.1k)

ASSORTED SLAG MACHINE-MADE MARBLES, LOT OF 140: ASSORTED SLAG MACHINE-MADE MARBLES, LOT OF 140, including amber, blue, electric blue, green, purple, opal, and three fluorescents (react under black light). Christensen Agate Co., Akro Agate Co.,

2026

ASSORTED SLAG MACHINE-MADE MARBLES, LOT OF 140

Mt. Crawford, VA

Jeffrey S. Evans & Associates

4.6

(1.1k)

SOLD

14k Gold 4.07 Ct Natural Opal & Diamond Ring: Ref:231089223 // gold content:14k gold // ring size:7. 25us // // main gemstone:opal // shape:oval // carat weight:4. 07ct // color:color // treatment:natural // // adjacent gemstone 2 : diamond // sh

2026

14k Gold 4.07 Ct Natural Opal & Diamond Ring

Silver Spring, MD

Elbert Gallery

4.4

(79)

6.14ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 25BY: 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

6.14ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 25BY

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

2.61ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 44FX: 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 14x8x5mm. The black smoke treatment deepens

2026

2.61ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 44FX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

GREEN OPAL SLAB Green Black Stone Rock Stone Lapidary Specimen: Raw Striated Mineral Specimen Dark Green Black Stone Rock Stone Lapidary Specimen. This striking raw mineral showcases dramatic layered striations and rich dark green-to-black coloration with distinct

2026

GREEN OPAL SLAB Green Black Stone Rock Stone Lapidary Specimen

Thayer, MO

Col. Christie Hatman Auctioneers

4.4

(555)

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

2026

America Sterling Silver Opal Dangling Earring's.

Los Angeles, CA

AWS Auctioneers

4.4

(567)

Native America Navajo Sterling Silver Blue Opal Ring By EDG.: This is a Native America Navajo Sterling Silver Blue Opal Ring By EDG. Stamp EGD. Ring Size: 7.50.

2026

Native America Navajo Sterling Silver Blue Opal Ring By EDG.

Los Angeles, CA

AWS Auctioneers

4.4

(567)

Native American Navajo Sterling Silver Blue Opal Inlay Bracelet Cuff By RGB.: This is a Native American Navajo Sterling Silver Blue Opal Inlay Bracelet Cuff By RGB. Stamp RGB.

2026

Native American Navajo Sterling Silver Blue Opal Inlay Bracelet Cuff By RGB.

Los Angeles, CA

AWS Auctioneers

4.4

(567)

18K Yellow Gold, Fire Opal, and Diamond Ring: METAL: 18K Yellow Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.40 ctw; GEMSTONES: Fire Opal approx. 18.00 mm x 13.00 mm; STAMPED: 18K; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 6.9 g; MEASURE

2026

18K Yellow Gold, Fire Opal, and Diamond Ring

New York, NY

Hampton Estate Auction

4.6

(356)

18K Yellow & White Gold, Opal Doublet, and Diamond Ring: METAL: 18K Yellow Gold/White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.50 ctw; GEMSTONES: Opal Doublet approx. 11.20 mm x 5.30 mm; STAMPED: Maker's mark, 750, 18K; CONDITION: Pre-owned, Good; ITEM WEI

2026

18K Yellow & White Gold, Opal Doublet, and Diamond Ring

New York, NY

Hampton Estate Auction

4.6

(356)

Silver and 18K Yellow Gold Opal and Diamond Hinged Bangle Bracelet: METAL: Silver/18K Yellow Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 1.75 ctw; GEMSTONES: Opal; TESTED: Silver/18K Yellow Gold; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 36.4 g; MEASUREMENTS: Brace

2026

Silver and 18K Yellow Gold Opal and Diamond Hinged Bangle Bracelet

New York, NY

Hampton Estate Auction

4.6

(356)

Blue Opal Cabochon & Ruby Pendant: Sterling Silver | Approximate Dimensions: 1 1/8" T | Approximate Weight: 3.3g | Stones have been verified to be natural.

2026

Blue Opal Cabochon & Ruby Pendant

Leesburg, VA

Gilt & Ivory

4.3

(1)

Oval Amethyst & Opal Cluster Ring: Sterling Silver | Approximate Size: 9 1/4 | Approximate Weight: 8.6g | Stones have been verified as natural.

2026

Oval Amethyst & Opal Cluster Ring

Leesburg, VA

Gilt & Ivory

4.3

(1)

Fire Opal & Colored Sapphire Statement Ring: Sterling Silver | Approximate Size: 7 | Approximate Weight: 3.1g | Stones have been verified as natural.

2026

Fire Opal & Colored Sapphire Statement Ring

Leesburg, VA

Gilt & Ivory

4.3

(1)

Opal, Diamond, 10k Yellow Gold Ring: Centering one oval-cut opal cabochon measuring approximately 9.92 x 8.20 mm, flanked by two single-cut diamonds weighing a total of approximately 0.06 ctw., set in a 10k yellow gold ring mounting, siz

2026

Opal, Diamond, 10k Yellow Gold Ring

Vallejo, CA

Consortium LLC

4.4

(37)

Beautiful Opal Hand Carved Guanyin Figurine: She is a beautiful Guanyin from China. She is opal and appears to be hand carved. Includes her own custom solid wood stand. Stands approx. 3" tall. From the estate of a collector of excellent and ecle

2026

Beautiful Opal Hand Carved Guanyin Figurine

Fullerton, CA

GOLDEN SUN AUCTIONS, Inc.

4.7

(762)

Vintage Native American Sterling & Opal Ring, Buckskin Pouch: This gorgeous ring is believed to be Native American. Sterling band with inset rounded corner cabochon opal. No visible artist mark, stamped 925. Comes in a Native American pouch that appears to be bu

2026

Vintage Native American Sterling & Opal Ring, Buckskin Pouch

Fullerton, CA

GOLDEN SUN AUCTIONS, Inc.

4.7

(762)

Chinese Export Hand Carved Opal Snuff Bottle: This is a gorgeous Chinese export. Snuff bottle appears hand carved from opal with a gorgeous floral and fish motif with the original cap. It comes on a beautifully decorated stand that appears rosewo

2026

Chinese Export Hand Carved Opal Snuff Bottle

Fullerton, CA

GOLDEN SUN AUCTIONS, Inc.

4.7

(762)

6.40ct Natural Ethiopian Welo Solid Opal Freeform Cabochon, 4TG: This natural solid opal cabochon originates from Ethiopia Welo. The translucent pale base displays lively play-of-color with bright green, golden yellow and warm orange iridescent flashes across the p

2026

6.40ct Natural Ethiopian Welo Solid Opal Freeform Cabochon, 4TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

EMA 14K Yellow Gold Opal and Diamond Sunburst Ring: EMA Jewelry 14 karat yellow gold cluster ring. The design features a centrally set oval cabochon opal with a milky-white body color and visible green, orange, and yellow play-of-color. The opal is sur

2026

EMA 14K Yellow Gold Opal and Diamond Sunburst Ring

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

View:

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

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

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

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