Onyx

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Collection of 8 Polished Onyx Stone Eggs: This collection features eight polished stone eggs crafted from various minerals including onyx and calcite. The eggs display a range of natural colors from deep ochre and honey yellow to banded green

2026

Collection of 8 Polished Onyx Stone Eggs

Den of Antiquity AuctionsLauderhill, FL

Carved Horn Chessmen and Onyx Chessboard: Carved Horn Chess Pieces and Banded Onyx Game Board. Board: 13.75" L x 13.75" W x 0.5" D. Provenance: From an East 86th Street Estate. Keywords: Chess Set, Games, Strategy, King, Queen, Rooks, Bishops

2026

Carved Horn Chessmen and Onyx Chessboard

Auctions at ShowplaceAstoria, NY

2026

MEXICAN STERLING SILVER ARTICULATED SILVER OVAL CUFF BRACELET CAST AS STYLIZED SCORPION

Sloans & KenyonChevy Chase, MD

STERLING SILVER AND VARIOUS COLOR HARDSTONE HINGED OVAL BANGLE BRACELET Upper section centers: STERLING SILVER AND VARIOUS COLOR HARDSTONE HINGED OVAL BANGLE BRACELET Upper section centers flush panel of malachite, black onyx and other hardstone in asymmetrical geometric pattern. W 1 3/8 in. Gr

2026

STERLING SILVER AND VARIOUS COLOR HARDSTONE HINGED OVAL BANGLE BRACELET Upper section centers

Sloans & KenyonChevy Chase, MD

STERLING Silver Rhombus-Shaped Brooch: Sterling Silver Rhombus-Shaped Brooch. Marcasite Border. Rhombus-Shaped Black Onyx and White Mother-Of-Pearl Stones. Marked 925. Scratching and Tarnishing Present. Total Weight 7.2g. Measures app 2in

2026

STERLING Silver Rhombus-Shaped Brooch

The Benefit Shop Foundation Inc.Mount Kisco, NY

6.78 Ct Natural Black Onyx Pear Drop: Weight - 6.78 Ct / Size - 11.20 x 8.10 x 8.10 mm / Shape - Pear Drop / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

6.78 Ct Natural Black Onyx Pear Drop

Gems AuctionBangkok, TH

6.86 Ct Natural Black Onyx Pear Cut: Weight - 6.86 Ct / Dimensions -16.00 x 11.90 x 4.50 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Comments - None

2026

6.86 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

14.25 Ct Natural Blue Onyx Hexagon Cut: Weight - 14.25 Ct / Size - 17.80 x 15.80 x 8.00 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.25 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

14.24 Ct Natural Blue Onyx Pear Cut: Weight - 14.24 Ct / Size - 18.20 x 18.00 x 8.00 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.24 Ct Natural Blue Onyx Pear Cut

Gems AuctionBangkok, TH

12.58 Ct Natural Black Onyx Pear Drop: Weight - 12.58 Ct / Dimensions -20.20 x 10.20 x 10.20 mm / Shape - Fancy Pear Drop / Clarity - Opaque / Origin - Brazil / Comments - None

2026

12.58 Ct Natural Black Onyx Pear Drop

Gems AuctionBangkok, TH

5.16 Ct Natural Black Onyx Fancy Cut: Weight - 5.16 Ct / Size - 14.20 x 9.90 x 5.70 mm / Shape - Fancy Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

5.16 Ct Natural Black Onyx Fancy Cut

Gems AuctionBangkok, TH

4.48 Ct Natural Black Onyx Pear Cut: Weight - 4.48 Ct / Dimensions - 13.80 x 9.60 x 4.10 mm/ Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Comments - None

2026

4.48 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

13.76 Ct Natural Orange Onyx Round Cut: Weight - 13.76 Ct / Dimensions - 17.10 x 17.10 x 8.20 mm / Shape - Round Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.76 Ct Natural Orange Onyx Round Cut

Gems AuctionBangkok, TH

29.27 Ct Natural Green Onyx Pear Cab: Weight - 29.27 Ct / Dimensions - 37.00 x 18.50 x 6.00 mm / Shape - Pear Cab / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

29.27 Ct Natural Green Onyx Pear Cab

Gems AuctionBangkok, TH

4.23 Ct Natural Black Onyx Pear Drop: Weight - 4.23 Ct / Size - 13.50 x 7.00 x 7.00 mm / Shape - Pear Drop / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

4.23 Ct Natural Black Onyx Pear Drop

Gems AuctionBangkok, TH

23.32 Ct Natural Red Onyx Cushion Cab: Weight - 23.32 Ct / Dimensions - 21.60 x 20.80 x 5.30 mm / Shape - Cushion Cab / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

23.32 Ct Natural Red Onyx Cushion Cab

Gems AuctionBangkok, TH

14.24 Ct Natural Black Onyx Round Cut: Weight - 14.24 Ct / Size - 17.10 x 17.10 x 8.40 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.24 Ct Natural Black Onyx Round Cut

Gems AuctionBangkok, TH

14.59 Ct Natural Blue Onyx Hexagon Cut: Weight - 14.59 Ct / Size - 18.20 x 16.10 x 7.90 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.59 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

8.15 Ct Natural Orange Onyx Pear Cut: Weight - 8.15 Ct / Dimensions - 24.00 x 14.30 x 4.20 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Comments - None

2026

8.15 Ct Natural Orange Onyx Pear Cut

Gems AuctionBangkok, TH

8.18 Ct Natural Green Onyx Round Cut Beads: Weight - 8.18 Ct / Dimensions - 5.30 - 5.60 mm / 12 Pc's / Shape & Cut - Round Cut Beads / Transparency - Semi - Opaque / Origin - Brazil

2026

8.18 Ct Natural Green Onyx Round Cut Beads

Gems AuctionBangkok, TH

9.81 Ct Natural Yellow Onyx Pear Cut Beads: Weight - 9.81 Ct / Size - 7.8x3.6 - 7.8x3.8 mm / 9 Pc's / Shape - Pear Cut Beads / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

9.81 Ct Natural Yellow Onyx Pear Cut Beads

Gems AuctionBangkok, TH

2.01 Ct Natural Yellow Onyx Round Cut Set: Weight - 2.01 Ct / Dimensions - 5.10 - 5.20 mm / 4 Pc's / Shape - Round Cut / Color - Yellow / Clarity - OPaque / Origin - Africa / Treatment - None

2026

2.01 Ct Natural Yellow Onyx Round Cut Set

Gems AuctionBangkok, TH

17.49 Ct Natural Black Onyx Round Cut Beads: Weight - 17.49 Ct / Size - 3.00 - 3.10 mm / 110 Pc's / 12" inches / Shape - Round Cut Beads / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

17.49 Ct Natural Black Onyx Round Cut Beads

Gems AuctionBangkok, TH

VINTAGE 14KT Y.G OPAL CARVED HORSE ON ONYX PENDANT: About 1" in diameter, with opal carving of a thoroughbred horse in onyx mounted in 14 kt yellow gold, weighs 3 6 dwt

2026

VINTAGE 14KT Y.G OPAL CARVED HORSE ON ONYX PENDANT

Cece's AuctionsWellington , FL

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24

Onyx Auctions

Wrought Iron Base Round Onyx Table, 29Hx57Dia

Vere Antichit Italia Inlaid Walnut Cabinet by Artitalia Group & Arte Brotto

Vintage Brass and Crystal 5-Light Chandelier, 31"H x 22"W

MJ Welch Auctioneers Multi-Estate Auction 148

MJ Welch Auctioneers & Appraisers

Starts on:

Dyersburg, TN, US

DIOR Gorgeous 18K White Gold Ring

David Webb Platinum 5.56ct Diamond Turquoise Ring

Roberto Coin 18K Yellow Gold 1.98ct Diamond Collar Necklace

$1 Start Luxury Brands Antique Jewelry

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

3 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

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