Onyx

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Taxco Black Onyx Earrings & Bracelet: Vintage Taxco sterling clip on, black onyx earrings 1.5". TP-69. Multi gemstone, Mexico sterling bracelet, 7.5" long. (32 dwt) (6x4x2)

2026

Taxco Black Onyx Earrings & Bracelet

Vintage AuctionsOttawa, OH

Vintage Black Onyx Sterling Set: Two sterling necklaces with black onyx pendants, 16" & 18" long. One ring, size 8. One pair pierced earrings, 3/4" long. (11.9 dwt) (6x4x2)

2026

Vintage Black Onyx Sterling Set

Vintage AuctionsOttawa, OH

Black Onyx & Blue Sodalite Mexico Bracelet: Vintage sterling bracelet with inlaid black onyx and blue sodalite gemstones. Marked "Mexico 925 JSK". 7". Very Heavy. (43 dwt) (6x4x2)

2026

Black Onyx & Blue Sodalite Mexico Bracelet

Vintage AuctionsOttawa, OH

Lot 2 Sterling Silver Onyx & Crystal Rings: Lot of 2 vintage sterling silver rings. One with onyx and one with colorless crystals. Larger ring size 10. Total weight of both rings 8.5 grams. Some scratching. Jewelry, estate jewelry, fine jewelry

2026

Lot 2 Sterling Silver Onyx & Crystal Rings

The Benefit Shop Foundation Inc.Mount Kisco, NY

Mexico & Taxco Sterling Bracelet & Earrings: Mexico Sterling pierced black onyx earrings, 1.5" long. Taxco sterling black onyx toggle clasp bracelet, 7.5" long. (26.9 dwt) (6x4x2)

2026

Mexico & Taxco Sterling Bracelet & Earrings

Vintage AuctionsOttawa, OH

Six Sterling Garnet, Amethyst & More Rings: Six sterling rings, sizes 7 - 11. Gemstones are Garnet, Amethyst, Black Onyx, Citrine & Marcasite. (28.2 dwt) (6x4x2)

2026

Six Sterling Garnet, Amethyst & More Rings

Vintage AuctionsOttawa, OH

10 Sterling Gemstone Rings: Ten sterling rings. Opal, Amethyst, Blue Topaz, Mother of Pearl, Black Onyx, Simulated Diamond. Sizes 5.5-10.5 (23 dwt) (6x4x2)

2026

10 Sterling Gemstone Rings

Vintage AuctionsOttawa, OH

15.91 Ct Natural Black Onyx Hexagon Cut: Weight - 15.91 Ct / Dimensions - 22.00 x 18.40 x 7.10 mm / Shape - Hexagon Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

2026

15.91 Ct Natural Black Onyx Hexagon Cut

Gems AuctionBangkok, TH

4.45 Ct Natural Black Onyx Oval Cab: Weight - 4.45 Ct / Size - 18.10 x 8.20 x 3.10 mm / Shape - Oval Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

4.45 Ct Natural Black Onyx Oval Cab

Gems AuctionBangkok, TH

13.52 Ct Natural Green Onyx Trillion Cut: Weight - 13.52 Ct / Size - 17.90 x 17.60 x 8.60 mm / Shape - Trillion Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.52 Ct Natural Green Onyx Trillion Cut

Gems AuctionBangkok, TH

18.48 Ct Natural Blue Onyx Hexagon Cut: Weight - 18.48 Ct / Dimensions - 20.70 x 18.10 x 8.40 mm / Shape - Hexagon Cut / Clarity - Semi Opaque / Origin - Brazil / Treatment - None

2026

18.48 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

13.37 Ct Natural Green Onyx Round Cut: Weight - 13.37 Ct / Dimensions -17.90 x 17.90 x 7.30 mm / Shape - Round Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.37 Ct Natural Green Onyx Round Cut

Gems AuctionBangkok, TH

14.02 Ct Natural Black Onyx Trillion Cut: Weight - 14.02 Ct / Size - 18.70 x 18.20 x 7.90 mm / Shape - Trillion Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

14.02 Ct Natural Black Onyx Trillion Cut

Gems AuctionBangkok, TH

14.85 Ct Natural Green Onyx Hexagon Cut: Weight - 14.85 Ct / Dimensions - 19.30 x 7.00 x 7.90 mm / Shape - Hexagon Cut / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

14.85 Ct Natural Green Onyx Hexagon Cut

Gems AuctionBangkok, TH

4.80 Ct Natural Black Onyx Flower Carving: Weight - 4.80 Ct / Dimensions - 12.70 x 12.70 x 4.20 mm / Shape - Flower Carving / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

2026

4.80 Ct Natural Black Onyx Flower Carving

Gems AuctionBangkok, TH

8.30 Ct Natural Black Onyx Flower Carving: Weight - 8.30 Ct / Size - 15.20 x 15.20 x 4.90 mm / Shape - Flower Carving / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

8.30 Ct Natural Black Onyx Flower Carving

Gems AuctionBangkok, TH

13.39 Ct Natural Blue Onyx Pear Cut: Weight - 13.39 Ct / Dimensions - 18.20 x 18.10 x 7.40 mm / Shape - Pear cut / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

13.39 Ct Natural Blue Onyx Pear Cut

Gems AuctionBangkok, TH

12.20 Ct Natural Blue Onyx Trillion Cut: Weight - 12.20 Ct / Dimensions - 17.30 x 17.10 x 8.30 mm / Shape - Trillion cut / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

12.20 Ct Natural Blue Onyx Trillion Cut

Gems AuctionBangkok, TH

14.72 Ct Natural Black Onyx Round Cut: Weight - 14.72 Ct / Size - 18.10 x 17.80 x 8.00 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.72 Ct Natural Black Onyx Round Cut

Gems AuctionBangkok, TH

14.27 Ct Natural Black Onyx Pear Cut: Weight - 14.27 Ct / Size - 18.60 x 18.20 x 8.00 mm / Shape - Pear cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.27 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

46.07 Ct Natural Green Onyx Fancy Square Cab: Weight - 46.07 Ct / Dimensions - 31.00 x 31.00 x 5.50 mm / Shape - Fancy Square Cab / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

46.07 Ct Natural Green Onyx Fancy Square Cab

Gems AuctionBangkok, TH

18.56 Ct Natural Green Onyx Drilled Round Cab: Weight - 18.56 Ct / Dimensions - 30.00 x 30.00 x 2.00 mm / Shape - Drilled Round Cab / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

18.56 Ct Natural Green Onyx Drilled Round Cab

Gems AuctionBangkok, TH

11.10 Ct Natural Green Onyx Fancy Flower Carving: Weight - 11.10 Ct / Dimensions - 18.40 x 18.40 x 4.50 mm / Shape - Flower Carving / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

11.10 Ct Natural Green Onyx Fancy Flower Carving

Gems AuctionBangkok, TH

7.11 Ct Natural Green Onyx Fancy Flower Carving: Weight - 7.11 Ct / Dimensions - 14.30 x 4.00 x 4.00 mm / Shape - Fancy Flower Carving / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

7.11 Ct Natural Green Onyx Fancy Flower Carving

Gems AuctionBangkok, TH

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24

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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