Onyx

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12.97 Ct Natural Blue Onyx Hexagon Cut: Weight - 12.97 Ct / Dimensions - 18.60 x 16.10 x 7.30 mm / Shape - Hexagon Cut / Clarity - Semi Opaque / Origin - Brazil / Treatment - None

2026

12.97 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

12.55 Ct Natural Blue Onyx Hexagon Cut: Weight - 12.55 Ct / Dimensions - 18.60 x 16.70 x 7.00 mm / Shape - Hexagon Cut / Clarity - Semi Opaque / Origin - Brazil / Treatment - None

2026

12.55 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

5.45 Ct Natural Black Onyx Pear Cut: Weight - 5.45 Ct / Size - 14.10 x 10.00 x 4.90 mm / Shape - Per Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

5.45 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

13.16 Ct Natural Green Onyx Pear Cut: Weight - 13.16 Ct / Dimensions -17.90 x 17.50 x 8.60 mm / Shape - Pear Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.16 Ct Natural Green Onyx Pear Cut

Gems AuctionBangkok, TH

15.06 Ct Natural Black Onyx Pear Cut: Weight - 15.06 Ct / Dimensions - 18.60 x 18.10 x 8.10 mm / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

2026

15.06 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

8.33 Ct Natural Red Onyx Pear Cut: Weight - 8.33 Ct / Dimensions - 23.00 x 14.00 x 4.30 mm / Shape - Pear Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

8.33 Ct Natural Red Onyx Pear Cut

Gems AuctionBangkok, TH

13.30 Ct Natural Green Onyx Round Cut: Weight - 13.30 Ct / Dimensions - 18.00 x 18.00 x 7.40 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.30 Ct Natural Green Onyx Round Cut

Gems AuctionBangkok, TH

6.25 Ct Natural Red Onyx Oval Cut: Weight - 6.25 Ct / Dimensions - 20.00 x 12.20 x 3.80 mm / Shape - Oval Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

6.25 Ct Natural Red Onyx Oval Cut

Gems AuctionBangkok, TH

14.86 Ct Natural Black Onyx Oval Cab: Weight - 14.86 Ct / Dimensions - 29.00 x 13.10 x 5.00 mm / Shape - Oval Cab / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

2026

14.86 Ct Natural Black Onyx Oval Cab

Gems AuctionBangkok, TH

7.30 Ct Natural Red Onyx Oval Cut: Weight - 7.30 Ct / Dimensions - 20.00 x 12.30 x 4.20 mm / Shape - Oval Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

7.30 Ct Natural Red Onyx Oval Cut

Gems AuctionBangkok, TH

5.56 Ct Natural Green Onyx Fancy Flower Carving: Weight - 5.56 Ct / Dimensions - 15.60 x 15.50 x 3.60 mm / Shape - Fancy Flower Carving / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

5.56 Ct Natural Green Onyx Fancy Flower Carving

Gems AuctionBangkok, TH

5.77 Ct Natural Black Onyx Pear Cut Pair: Weight - 5.77 Ct / Size - 12.20 x 8.30 x 4.90 mm / 2 Pc's / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

5.77 Ct Natural Black Onyx Pear Cut Pair

Gems AuctionBangkok, TH

14.84 Ct Natural Green Onyx Round Cut Beads: Weight - 14.84 Ct / Size - 7.30 - 8.10 mm / 7pc's / Shape - Round Cut Beads / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

14.84 Ct Natural Green Onyx Round Cut Beads

Gems AuctionBangkok, TH

7.40 Ct Natural Green Onyx Fancy Flower Carving: Weight - 7.40 Ct / Size - 16.50 x 16.30 x 4.10 mm / Shape - Fancy Flower Carving / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

7.40 Ct Natural Green Onyx Fancy Flower Carving

Gems AuctionBangkok, TH

Pair of 18K Gold Black Onyx Earrings: Pair of 18K Gold Black Onyx Earrings, Size of each flower: 14mm

2026

Pair of 18K Gold Black Onyx Earrings

Rose's Antiques Rockville, MD

ONYX SHOTGLASS ROCK STONE LAPIDARY SPECIMEN: ONYX SHOTGLASS ROCK STONE LAPIDARY SPECIMEN

2026

ONYX SHOTGLASS ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

SOLD

Hand Carved Cylinder Onyx Stone Candle Holders - a Pair: Gorgeous set of solid heavy onyx stone marble candle holders. Both have been hand carved or sculpted so they are about 1/4 inch different in size. Purchased in France during the 70s. If you are intere

2026

Hand Carved Cylinder Onyx Stone Candle Holders - a Pair

Jasper52New York, NY

Victorian 14K yellow gold onyx shield cameo locket pendant with seed pearl accents on onyx beaded: Victorian 14K yellow gold onyx shield cameo locket pendant with seed pearl accents on onyx beaded necklace, unmarked tested Damage to enamel on bail. Back locket panel missing. Approx 16.50DWT (pendan

2026

Victorian 14K yellow gold onyx shield cameo locket pendant with seed pearl accents on onyx beaded

Ripley AuctionsIndianapolis, IN

10K yellow gold onyx and seed pearl necklace. 8 1/8" L x 3 IN (drop): 10K yellow gold onyx and seed pearl necklace. One onyx stone cracked/chipped. One jump ring holding necklace drop NOT GOLD. 5.40DWT The purchase of gold requires confirmed funds. Provenance: From the

2026

10K yellow gold onyx and seed pearl necklace. 8 1/8" L x 3 IN (drop)

Ripley AuctionsIndianapolis, IN

Antique 18K yellow gold Victorian panel bracelet with 19 intricate left and right facing cameos: Antique 18K yellow gold Victorian panel bracelet with 19 intricate left and right facing cameos carved from natural stone including tigers eye, onyx, coral, shell, and more. Slight pink residue under

2026

Antique 18K yellow gold Victorian panel bracelet with 19 intricate left and right facing cameos

Ripley AuctionsIndianapolis, IN

14k Gold Black Onyx Earrings: 14k gold black onyx earrings, oval shape, 3/4" long, stamped 14k H.F, weight 3.8 grams complete, weighed without plastic disc backs

2026

14k Gold Black Onyx Earrings

Stephenson's AuctionSouthampton, PA

Chinese 14k Gold Black Onyx Pendant: Chinese 14k gold black onyx pendant, Chinese good luck symbol in gold overlay on rectangular black onyx, 1 1/4" long x 3/4" wide (without bale), stamped 14k with maker's mark, 18" waxed cord with bras

2026

Chinese 14k Gold Black Onyx Pendant

Stephenson's AuctionSouthampton, PA

Pearl Black Onyx and 14k Gold Necklace: Pearl black onyx and 14k gold necklace, triple strand twisted bead necklace with 4mm black onyx beads, freshwater pearls, 14K gold beads and clasp, 24" long, clasp stamped 14k

2026

Pearl Black Onyx and 14k Gold Necklace

Stephenson's AuctionSouthampton, PA

Three Pairs of 14k Gold Earrings: Three pairs of 14k gold earrings, includes square shaped black onyx worn on a diagonal, 7/8" wide, pierced Omega backs, stamped 14k/585, 8mm ball posts, posts and butterfly backs stamped 14k, and 7mm

2026

Three Pairs of 14k Gold Earrings

Stephenson's AuctionSouthampton, PA

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Onyx Auctions

Platinum 3.47ct Diamond Ring

14K Yellow Gold 0.45ct Diamond and Enamel Ring

18K Rose Gold Grape Garnet French Wreath Brooch

Curated Fine Gold Jewelry Vintage & Antique

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

1800'S VENUS & PUTTI 3 PANEL OLD MASTER PAINTINGS

JILALI GHARBAOUI - ABSTRACT COMPOSITION PAINTING

CLASSIC HARLEY DAVIDSON WIDE GLIDE MOTORCYCLE

ART ANTIQUES ADVERTISING ASIAN PERSIAN COINS

Great Estates Auctioneers & Appraisers

Starts on:

ELLENVILLE, NY, US

3 days Left

Boucheron Vintage 18K Yellow Gold and 4ct Natural Sapphire Rope Dome Ring

14K Yellow and Rose Gold 1ct Diamond Choker Necklace

Faberge Imperial Russian Natural Pearl and 2ct Diamond Earrings

Fine Brands Antique Vintage and New Jewelry

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

2 days Left

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