Opal

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Fourteen Unmounted Gemstones: Loose gemstones. The largest being a 38.99 carat light green amethyst and a 40.25 carat ametrine. Includes a natural 4.85 carat opal from Australia. Total carat weight is approximately 172.4 carats, o

2025

Fourteen Unmounted Gemstones

Cordier AuctionsHarrisburg, PA

Platinum Setting with 1.85ct Opal and 0.75ct Diamond Ladies Ring: Retail: $6,855.00 ****** Platinum Setting with 1.85ct Opal and 0.75ct Diamond Ladies Ring ****** Size: 8.5(we offer free resizing to winning bidders) / Metal: Platinum / Total Item Weight: 9.3 Grams /

2025

Platinum Setting with 1.85ct Opal and 0.75ct Diamond Ladies Ring

Riverside GalleriesArcadia, CA

SOLD

Vintage Sterling Inliad ONyx and Faux Opal Necklace, 18", 1980's-1990's, Southwestern: Vintage Sterling Inliad Onyx and Faux Opal Necklace, 18", 1980's-1990's, Southwestern vibe. This has a large wedge swing bail with an appx. 1" circle that has inlaid black onyx and faux opal in geomet

2025

Vintage Sterling Inliad ONyx and Faux Opal Necklace, 18", 1980's-1990's, Southwestern

Jasper52New York, NY

SOLD

Antique 14kt Opal & Diamond Ring , Sz. 6, Late 1800's to Early 1900's.: Antique 14kt Opal & Diamond Ring , Sz. 6, Late 1800's to Early 1900's. This has two round opals that are appx. 3mm across and set six prongs - between the opals are two diamonds setin a stacked settin

2025

Antique 14kt Opal & Diamond Ring , Sz. 6, Late 1800's to Early 1900's.

Jasper52New York, NY

Egg-shaped lidded box. France, circa 1935-1940.: Egg-shaped lidded box France, circa 1935-1940. Thick-walled, cream-colored opal glass, cut and polished. Brass mounting with hinge. H. 15.5 cm, D. up to: 11 cm.

2025

Egg-shaped lidded box. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Octagonal lidded box on mounting with lion's feet - Art Déco. France, circa 1935-1940.: Octagonal lidded box on mounting with lion's feet - Art Déco France, circa 1935-1940. Thick-walled, pink / salmon-colored opal glass, slightly translucent, cut and polished. Brass mounting with hinge

2025

Octagonal lidded box on mounting with lion's feet - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Egg-shaped covered box. France, circa 1935-1940.: Egg-shaped covered box. France, circa 1935-1940. Thick-walled, pink / salmon-colored opal glass, cut and polished. Brass mounting with hinge. H. 15.5 cm, D. up to: 11 cm.

2025

Egg-shaped covered box. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Octagonal lidded box on mounting with lion's feet - Art Déco. France, circa 1935-1940.: Octagonal lidded box on mounting with lion's feet - Art Déco France, circa 1935-1940. Thick-walled, light purple opal glass, slightly translucent, cut and polished. Brass mounting with hinge. Decorat

2025

Octagonal lidded box on mounting with lion's feet - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Octagonal lidded box on mounting with lion's feet - Art Déco. France, circa 1935-1940.: Octagonal lidded box on mounting with lion's feet - Art Déco France, circa 1935-1940. Thick-walled, white opal glass, slightly translucent, cut and polished. Brass mounting with hinge. Decorated moun

2025

Octagonal lidded box on mounting with lion's feet - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Egg-shaped covered box. France, circa 1935-1940.: Egg-shaped covered box. France, circa 1935-1940. Uranium glass: Thick-walled, green opal glass, cut and polished. Brass mounting with hinge. H. 15.5 cm, D. up to: 11 cm.

2025

Egg-shaped covered box. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Deco. France, circa 1935-1940.: Rectangular lidded box - Art Déco France, circa 1935-1940. Thick-walled, green opal glass, cut and polished. Brass mounting with hinge. H. 6 cm, 6.5 x 11 cm.

2025

Rectangular lidded box - Art Deco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Déco. France, circa 1935-1940.: Rectangular lidded box - Art Déco France, circa 1935-1940. Thick-walled, light pink / salmon-colored opal glass, slightly translucent, cut and polished. Brass mounting with hinge. H. 5.5 cm, 6.5 x 11

2025

Rectangular lidded box - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Déco. France, circa 1935-1940.: Rectangular lidded box - Art Déco France, circa 1935-1940. Thick-walled, cream-colored opal glass, slightly translucent, cut and polished. Brass mounting with hinge. H. 6 cm, 6.5 x 11 cm.

2025

Rectangular lidded box - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Octagonal covered box - Art Déco. France, circa 1935-1940.: Octagonal covered box - Art Déco France, circa 1935-1940. Thick-walled, dark blue opal glass, cut and polished. Brass mounting with hinge. H. 5.5 cm, 8.5 x 13.5 cm.

2025

Octagonal covered box - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Déco. France, circa 1935-1940.: Rectangular lidded box - Art Déco France, circa 1935-1940. Thick-walled, light blue opal glass, slightly translucent, cut and polished. Brass mounting with hinge. H. 5 cm, 6.5 x 11 cm.

2025

Rectangular lidded box - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular covered box - Art Déco. France, circa 1935-1940.: Rectangular covered box - Art Déco. France, circa 1935-1940. Thick-walled, cream-colored opal glass, cut and polished. Rounded corners. Decorated brass mounting with hinge. H. 6 cm, 11 x 12.5 cm.

2025

Rectangular covered box - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Deco. France, circa 1935-1940.: Rectangular lidded box - Art Déco France, circa 1935-1940. Thick-walled, petrol-colored opal glass, cut and polished. Brass mounting with hinge. H. 6 cm, 6.5 x 11 cm. - Condition: five scratche

2025

Rectangular lidded box - Art Deco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Déco. France, circa 1935-1940.: Rectangular lidded box - Art Déco France, circa 1935-1940. Uranium glass: Thick-walled, light green opal glass, slightly translucent, cut and polished. Brass mounting with hinge. H. 6 cm, 6.5 x 11 cm

2025

Rectangular lidded box - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Tall rectangular box with round lid - Art Déco. France, circa 1935-1940.: Tall rectangular box with round lid - Art Déco France, circa 1935-1940. Thick-walled, dark blue opal glass, cut and polished. Brass mounting with hinge. H. 10 cm, 8.5 x 13.5 cm.

2025

Tall rectangular box with round lid - Art Déco. France, circa 1935-1940.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

Rectangular lidded box - Art Deco.: Rectangular lidded box - Art Déco France, circa 1935-1940. Thick-walled, black opal glass, cut and polished. Brass mounting with hinge. H. 6 cm, 6.5 x 11 cm. - Condition: lower edge with a mini

2025

Rectangular lidded box - Art Deco.

Kastern GmbH & Co. KG Das Kunst u. AuktionshausHannover, Niedersachsen

12.16 Ct Natural Pink Opal Round Beads: Weight - 12.16 Ct / Size - 5.80 - 6.30 mm / 19 Pc's / Shape - Round Beads / Clarity - Opaque / Origin - Peru / Treatment - None

2025

12.16 Ct Natural Pink Opal Round Beads

Gems AuctionBangkok, TH

4.70 Ct Natural Multicolor Welo Opal Round Beads: Weight - 4.70 Ct / Size - 5.20 - 5.50 mm / 11 PC's / Shape - Round Beads / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2025

4.70 Ct Natural Multicolor Welo Opal Round Beads

Gems AuctionBangkok, TH

3.03 Ct Natural Multicolor Welo Opal Round Beads: Weight - 3.03 Ct / Dimensions - 3.40 - 4.10 mm / 12 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2025

3.03 Ct Natural Multicolor Welo Opal Round Beads

Gems AuctionBangkok, TH

9.74 Ct Natural Pink Opal Round Beads: Weight - 9.74 Ct / Size - 5.10 - 5.40 mm / 19 Pc's / Shape - Round Beads / Clarity - Opaque / Origin - Peru / Treatment - None

2025

9.74 Ct Natural Pink Opal Round Beads

Gems AuctionBangkok, TH

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Starts on:

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Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

1 day Left

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

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Exquisite 9K Gold Gemstone Jewelry Collection

Ends from:

New York, NY, US

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