Opal

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2.25 Ct Natural Green Fire Opal Round Beads: Weight - 2.25 Ct / Size - 4.20 - 4.40 mm / 10 Pc's / Shape - Round Beads / Color - Green / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

2026

2.25 Ct Natural Green Fire Opal Round Beads

Gems AuctionBangkok, TH

2.67 Ct Natural Blue Fire Opal Oval Cab: Weight - 2.67 Ct / Size - 11.90 x 8.90 x 5.40 mm / Shape - Oval Cab / Color - Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

2026

2.67 Ct Natural Blue Fire Opal Oval Cab

Gems AuctionBangkok, TH

2.07 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab: Weight - 2.07 Ct / Dimensions - 10.50 x 8.10 x 4.70 mm / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.07 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab

Gems AuctionBangkok, TH

1.42 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.42 Ct / Dimensions - 8.30 x 7.10 x 4.70 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.42 Ct Natural Black Flashing Fire Opal Oval Cab

Gems AuctionBangkok, TH

4.22 Ct Natural Multicolor Welo Fire Opal Round Beads: Weight - 4.22 Ct / Dimensions - 4.00 - 4.20 mm / 18 Pc's / Shape - Round Beads / Transparency - Transparent / Origin - Ethiopia / Treatment - None

2026

4.22 Ct Natural Multicolor Welo Fire Opal Round Beads

Gems AuctionBangkok, TH

1.20 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 1.20 Ct / Dimensions - 9.60 x 7.40 x 4.30 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.20 Ct Natural Black Flashing Fire Opal Pear Cab

Gems AuctionBangkok, TH

3.51 Ct Natural Multicolor Welo Opal Fire Round Beads: Weight - 3.51 Ct / Dimensions - 4.00 - 4.20 mm / 17 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

3.51 Ct Natural Multicolor Welo Opal Fire Round Beads

Gems AuctionBangkok, TH

3.92 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 3.92 Ct / Dimensions -4.00 - 4.30 mm / 17 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

3.92 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Gems AuctionBangkok, TH

2.05 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 2.05 Ct / Dimensions - 6.8x5.0 - 7.0x5.1 mm / 4 PC's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.05 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Gems AuctionBangkok, TH

3.33 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Pair: Weight - 3.33 Ct / Dimensions - 8.10 x 8.10 x 5.00 mm / 2 Pc's / Shape - Round Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2026

3.33 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Pair

Gems AuctionBangkok, TH

2026

5g Native American 925 Sterling Silver Opal Inlay Pendant

Sphere Auctions LLCSun Prarie, WI

2026

Sz5.5/2g Native American Sterling Silver Blue Opal Inlay Ring

Sphere Auctions LLCSun Prarie, WI

SOLD

Pink Peruvian Opal Necklace Accented With Black Onyx Accents: Pink Peruvian Opal 19-Inch Necklace with Black Onyx and Bali Silver Toggle Clasp Add a touch of elegance to your collection with this unique 19-inch pink Peruvian opal necklace. Each 10mm smooth opal

2026

Pink Peruvian Opal Necklace Accented With Black Onyx Accents

Jasper52New York, NY

Sz9/3g 925 Sterling Silver Blue Opal Inlay Ring: Sz9/3g 925 Sterling Silver Blue Opal Inlay RingBrand/Model: Marked 925.Manufacturer Location: Not marked.Year Produced: Unknown.Condition: Good condition with light surface wear and minor scuffs consi

2026

Sz9/3g 925 Sterling Silver Blue Opal Inlay Ring

Sphere Auctions LLCSun Prarie, WI

2026

15”/5g Vintage Beaded Liquid 925 Sterling Silver Opal Pendant Necklace

Sphere Auctions LLCSun Prarie, WI

2026

Sz8/15 Native American Navajo Calvin Begay Sterling Silver Opal Onyx Inlay Ring

Sphere Auctions LLCSun Prarie, WI

2026

4g Navajo Evelyn Abeita Sterling Silver TIger's Eye Picture Jasper Opal Onyx Earrings

Sphere Auctions LLCSun Prarie, WI

A Victorian opal and pearl gold-filled watch chain: A Victorian opal and pearl gold-filled watch chain Featuring a slide pendant designed as two flowers, set with two round-shaped opal cabochons measuring 1.52 mm and two seed pearls; length: 14 in; 6.4

2026

A Victorian opal and pearl gold-filled watch chain

Clars AuctionsOakland, CA

Lot of Assorted Cabachons and Semi Precious Stones: Lot of assorted cabs and semi-precious stones including amethyst, lapis, citrine, jasper, turquoise, jade, azurite, opal, smokey quartz and ruby. See photos for details.

2026

Lot of Assorted Cabachons and Semi Precious Stones

Cowboy Joe's AntiquesLas Cruces, NM

Three Older Rings (2) Opal & (1) Tiger Eye - (1) Marked Sterling & (2) Unmarked Believed to be: Three Older Rings (2) Opal & (1) Tiger Eye - (1) Marked Sterling & (2) Unmarked Believed to be Sterling - Sizes 5.5, 7, 8.25 - 17.60 Grams

2026

Three Older Rings (2) Opal & (1) Tiger Eye - (1) Marked Sterling & (2) Unmarked Believed to be

CATAMOUNT AUCTION CO LLCShelburne Falls, MA

SOLD

14k Gold Fire Opal & Diamond Ring: Weighs 3.9 grams, Size 7

2026

14k Gold Fire Opal & Diamond Ring

Poinsett Auction & Realty, Inc.Travelers Rest, SC

SOLD

10k Gold Opal & Synthetic Stones Ring: Weighs 2.2 grams, Size 5 1/2, Stones missing

2026

10k Gold Opal & Synthetic Stones Ring

Poinsett Auction & Realty, Inc.Travelers Rest, SC

SOLD

14k White Gold Opal & Diamond Ring: Weighs 2.5 grams, Size 5

2026

14k White Gold Opal & Diamond Ring

Poinsett Auction & Realty, Inc.Travelers Rest, SC

A Ruby & Opal Bombe Ring in 18K: 18K yellow gold ring featuring an oval opal measuring 7 x 9 mm with a double row of rubies weighing approx. 2.00 ctw, sz 7.25, 4.8 grams

2026

A Ruby & Opal Bombe Ring in 18K

Alex CooperTowson, MD

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Opal Auctions

Superb Iatmul Mask, Papua New Guinea

Fine Borneo Shaman Bin with Lid

Early Japanese Oni Demon Mask

Fine Ethnographic, Asian & Antiques

Inspired Auctions

Starts on:

Brea, CA, US

2 days Left

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

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

3.60 Carats Natural Santa Maria Aquamarine Gemstone - 18X7X4 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

17 hrs Left

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