Opal

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8.45 Carats Sunset Glow Opal Cabochon - Natural Ethiopian Welo Stone, 65XC: This glowing Ethiopian opal radiates with a soft amber body tone lit from within by flashes of green, orange, and red. The elongated pear shape (19.9 x 13.4 mm) offers graceful proportions, while its

2025

8.45 Carats Sunset Glow Opal Cabochon - Natural Ethiopian Welo Stone, 65XC

ThousandPlanetHunghom, Kowloon

3.34 Carats Pastel Neon Welo Opal Cabochon - Natural Ethiopian Gemstone, 74XE: This glowing Welo opal shimmers with delicate flashes of mint green, lavender, sky blue, and soft amber beneath a translucent, honey-toned body. Its internal light play is gentle yet vivid, with broad

2025

3.34 Carats Pastel Neon Welo Opal Cabochon - Natural Ethiopian Gemstone, 74XE

ThousandPlanetHunghom, Kowloon

27.32 Carats Electric Green Fire Opal Cabochon - Natural Ethiopian Welo Stone, 49XC: This dramatic Ethiopian Welo opal bursts with electric green, amber, and fiery orange flashes beneath a smooth, translucent surface. The elongated pear-shaped cabochon spans an impressive 27x16mm, off

2025

27.32 Carats Electric Green Fire Opal Cabochon - Natural Ethiopian Welo Stone, 49XC

ThousandPlanetHunghom, Kowloon

2.94 Carats Multicolor Smoked Black Welo Opal - Natural Ethiopian Gemstone 12.3x9.6mm, 84A: This striking opal radiates with deep cosmic allure, displaying vivid flashes of crimson, violet, electric green, and cobalt blue across its polished surface. The play-of-color dances under lighting,

2025

2.94 Carats Multicolor Smoked Black Welo Opal - Natural Ethiopian Gemstone 12.3x9.6mm, 84A

ThousandPlanetHunghom, Kowloon

2.15 Carats Honeycomb Pattern Smoked Black Welo Opal - Natural Ethiopian Gemstone 12x8.5mm, 88A: An extraordinary display of natural artistry, this opal features the coveted honeycomb pattern-clusters of fiery cells glowing in vivid tones of cherry red, tangerine, lemon yellow, and flashes of vio

2025

2.15 Carats Honeycomb Pattern Smoked Black Welo Opal - Natural Ethiopian Gemstone 12x8.5mm, 88A

ThousandPlanetHunghom, Kowloon

4.15 Carats Fiery Play-of-Color Welo Opal Oval Cabochon - Natural Ethiopian Stone, 88WE: This mesmerizing Welo opal radiates a luminous play-of-color that dances across its translucent body in vivid flashes of red, orange, green, and violet 13.9x9.9x6.4mm. The gem's opalescent base glows

2025

4.15 Carats Fiery Play-of-Color Welo Opal Oval Cabochon - Natural Ethiopian Stone, 88WE

ThousandPlanetHunghom, Kowloon

1.78 Carats Crimson Red Violet Smoked Black Welo Opal - Natural Ethiopian Gemstone 10.3x8.3mm, 89A: Intensely saturated with vibrant crimson, magenta, and violet fire, this smoked black Welo opal delivers a bold visual impact in a compact size. The internal play-of-color appears layered and fluid, w

2025

1.78 Carats Crimson Red Violet Smoked Black Welo Opal - Natural Ethiopian Gemstone 10.3x8.3mm, 89A

ThousandPlanetHunghom, Kowloon

2.26 Carats Vivid Green Red Flame Smoked Black Welo Opal - Natural Ethiopian Gemstone 11.5x8mm, 85A: This mesmerizing black opal showcases a rich display of saturated emerald green merging into vivid flame red, creating an atmospheric interplay of color across a deep, smoky body tone. The painterly i

2025

2.26 Carats Vivid Green Red Flame Smoked Black Welo Opal - Natural Ethiopian Gemstone 11.5x8mm, 85A

ThousandPlanetHunghom, Kowloon

10.55 Carats Neon Play-of-Color Opal Selection - Natural Ethiopian Cabochons - 12 to 13 mm, 28XE: This luminous selection of opals radiates a dynamic spectrum of neon hues, with flashes of electric green, vivid orange, and spectral blue dancing across each dome. Their translucent base allows the i

2025

10.55 Carats Neon Play-of-Color Opal Selection - Natural Ethiopian Cabochons - 12 to 13 mm, 28XE

ThousandPlanetHunghom, Kowloon

Opal, Moonstone & Garnet Necklaces 925: Two opal necklaces, butterfly and cross, 18" & 19". Moonstone & Garnet 925 pendant on a 18" chain. (12 dwt)

2025

Opal, Moonstone & Garnet Necklaces 925

Vintage AuctionsOttawa, OH

OPAL & DIAMOND MERMAID RIDING DOLPHIN PENDANT: Opal and diamond pendant with gold mermaid with diamond set hair riding a dolphin with a diamond eye and diamond set tail, above a prong set oval cabochon (approximately 25 x 21.8 x 10.1 mm), total ov

2025

OPAL & DIAMOND MERMAID RIDING DOLPHIN PENDANT

Ahlers & Ogletree Auction GalleryAtlanta, GA

9 Sterling Pearl and Opal Rings: Nine sterling rings. Pearls, Opals & simulated diamond. Sizes 5-10 (17 dwt)

2025

9 Sterling Pearl and Opal Rings

Vintage AuctionsOttawa, OH

MOSAIC OPAL & 14K YELLOW GOLD NECKLACE: 14k yellow gold opal triplet pendant featuring an opal triplet composed of pieces of opal set in a mosaic pattern (approximately 14 x 10mm). With yellow gold chain. Chain and pendant marked "14k". App

2025

MOSAIC OPAL & 14K YELLOW GOLD NECKLACE

Ahlers & Ogletree Auction GalleryAtlanta, GA

EDWARDIAN STYLE 2.70CT OPAL & DIAMOND PENDANT: Edwardian style opal, diamond, and emerald pendant in vermeil sterling silver and 14k yellow gold, with (54) rose cut diamonds weighing approximately 0.30 total carats, (1) pear cabochon opal weighing

2025

EDWARDIAN STYLE 2.70CT OPAL & DIAMOND PENDANT

Ahlers & Ogletree Auction GalleryAtlanta, GA

Four 925 Opal & Mother of Pearl Rings: Four sterling rings with opal, mother of pearl and simulated diamonds. Sizes 5-9 (21 dwt)

2025

Four 925 Opal & Mother of Pearl Rings

Vintage AuctionsOttawa, OH

BLACK OPAL CABOCHON 14K YELLOW GOLD PENDANT: Oval cabochon black opal pendant in 14k yellow gold. Apparently unmarked, tested as 14k. Provenance: Private Collection, Atlanta, GA. Approximate measurements: l. 1.375", w. 0.75", opal 24.52 x 18.01

2025

BLACK OPAL CABOCHON 14K YELLOW GOLD PENDANT

Ahlers & Ogletree Auction GalleryAtlanta, GA

Renato Toso & Noti Massari, prod. Leucos: Italy, 70s, 75x50 cm., large table lamp in opaline glass, painted metal and marble base, slight wears

2025

Renato Toso & Noti Massari, prod. Leucos

Colasanti Casa D'AsteRome, Italy

14k Gold Australian Opal Whale Pendant: 14k yellow gold whale pendant with a triangular shaped Australian opal. Measurements: 32 mm wide and 25 mm high (bale included) Markings: Marked 585 (for 14k) at the back of the bale, and signed "PJ".

2025

14k Gold Australian Opal Whale Pendant

Magnusson Art GroupMorristown, NJ

Two (2) Pair 14k Gold & Opal Earrings: Two (2) pairs of 14k yellow gold earrings, one with bezel set oval mosaic opals with omega post backs (marked "585, 14k, W) and one pair with a small prong set round opal, over a flower-shaped pendant

2025

Two (2) Pair 14k Gold & Opal Earrings

Magnusson Art GroupMorristown, NJ

FOG & MORUP BRASS & GLASS TULIP CHANDELIER C.1960S: Brass chandelier with white opaline glass shades in tulip design. Denmark, circa 1960s. Dimensions: H 23" x Dia. 21". Condition: Wiring untested. Overall presents well, some light wear consistent with

2025

FOG & MORUP BRASS & GLASS TULIP CHANDELIER C.1960S

Westport AuctionBridgeport, CT

Navajo Calvin Begay Sterling Onyx & Opal Ring: Navajo Calvin Begay Sterling Onyx & Opal Ring 21st Century, USA Navajo artist Calvin Begay sterling silver ring, featuring a micro inlay design in a geometric motif, composed of black onyx and green o

2025

Navajo Calvin Begay Sterling Onyx & Opal Ring

Akiba GalleriesDania Beach, FL

Moonstone, blue opal, and diamond earrings: Moonstone, blue opal, and diamond earrings Each set with a cluster of variously-cut moonstone, suspending a carved blue opal with single-cut diamond cap Silver and yellow gold 2.75 x 0.75 in; Gross we

2025

Moonstone, blue opal, and diamond earrings

Rago Lambertville, NJ

White Opaline Box with Ormolu Mounting: An opaline glass box with ormolu mounting, ca. 1900. Ht. 2.75" Property of a Rockford, Illinois collector

2025

White Opaline Box with Ormolu Mounting

Caza SikesCincinnati, OH

Louis C. Tiffany, Small 'Favrile' Vase, 1894: <p>H. 10.8 cm. Cased glass, colorless, opal white, and yellow, with combed, silver-yellow bands, pearlescent matte luster. Bottom marked: LCT B 1528 (engraved). </p>

2025

Louis C. Tiffany, Small 'Favrile' Vase, 1894

Quittenbaum Kunstauktionen GmbHMunich, Bavaria

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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

7 hrs Left

Fine Borneo Shaman Bin with Lid

Gorgeous Green Glazed Korean Mei Ping Shaped Vase

Gorgeous Large Section of Ancient Rainbow Petrified Wood

Fine Ethnographic, Asian & Antiques

Inspired Auctions

Starts on:

Brea, CA, US

TPZ213 14.05 carats AAA Quality Laser cut Swiss Blue Topaz 18?11?8 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

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Muscat, Muscat, AE

2 days Left

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