Onyx

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Art Deco Platinum Onyx & Diamond Drop Earrings: Art Deco Platinum Onyx & Diamond Drop Earrings Circa 1920s-1930s Pair of Art Deco platinum drop earrings designed with geometric openwork diamond-set stations connected by elongated black onyx bars. E

2026

Art Deco Platinum Onyx & Diamond Drop Earrings

Akiba GalleriesDania Beach, FL

18K Yellow Gold Onyx and Diamond Pendant & Earrings Set: METAL: 18K Yellow Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.09 ctw; GEMSTONES: Onyx; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 10.46 g; MEASUREMENTS: Necklace 19 inches long, Earrings 1/2

2026

18K Yellow Gold Onyx and Diamond Pendant & Earrings Set

Hampton Estate AuctionNew York, NY

14.15 Ct Natural Black Onyx Round Beads: Weight - 14.15 Ct / Size - 6.40 - 6.90 mm / 10 Pc's / Shape - Round Beads / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.15 Ct Natural Black Onyx Round Beads

Gems AuctionBangkok, TH

16.70 Ct Natural Black Onyx Oval Cab: Weight - 16.70 Ct / Size - 29.00 x 21.00 x 4.00 mm / Shape - OVal Cab / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

16.70 Ct Natural Black Onyx Oval Cab

Gems AuctionBangkok, TH

14.50 Ct Natural Green Onyx Round Cut: Weight - 14.50 Ct / Size - 17.50 x 17.50 x 8.60 mm / Shape - Round Cut / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

14.50 Ct Natural Green Onyx Round Cut

Gems AuctionBangkok, TH

7.84 Ct Natural Black Onyx Fancy Cab: Weight - 7.84 Ct / Dimensions - 20.40 x 6.20 x 6.10 mm / Shape - Fancy Cab / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

2026

7.84 Ct Natural Black Onyx Fancy Cab

Gems AuctionBangkok, TH

10.96 Ct Natural Green Onyx Fancy Cut: Weight - 10.96 Ct / Size - 24.00 x 14.80 x 7.20 mm / Shape - Fancy Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

10.96 Ct Natural Green Onyx Fancy Cut

Gems AuctionBangkok, TH

35.93 Ct Natural Green Onyx Drilled Fancy Cab: Weight - 35.93 Ct / Size - 25.00 x 25.00 x 5.00 mm / Shape - Drilled Fancy Cab / Color - Green / Clarity - OPaque / Origin - Africa / Treatment - None

2026

35.93 Ct Natural Green Onyx Drilled Fancy Cab

Gems AuctionBangkok, TH

15.08 Ct Natural Black Onyx Round Cut Beads: Weight - 15.08 Ct / Size - 6.20 - 6.60 mm / 10 Pc's / Shape - Round Cut Beads / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

15.08 Ct Natural Black Onyx Round Cut Beads

Gems AuctionBangkok, TH

20.73 Ct Natural Black Onyx Fancy Kite Cut: Weight - 20.73 Ct / Size - 40.00 x 25.00 x 3.20 mm / Shape - Fancy Kite Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

20.73 Ct Natural Black Onyx Fancy Kite Cut

Gems AuctionBangkok, TH

14.79 Ct Natural Black Onyx Round Cut Beads: Weight - 14.79 Ct / Size - 6.30 - 7.10 mm / 10 Pc's / Shape - Drilled Round Cut Beads / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

14.79 Ct Natural Black Onyx Round Cut Beads

Gems AuctionBangkok, TH

18.84 Ct Natural Orange Onyx Drilled Fancy Cab: Weight - 18.84 Ct / Dimensions -32.00 x 26.00 x 3.80 mm / Shape - Drilled Fancy Cab / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

18.84 Ct Natural Orange Onyx Drilled Fancy Cab

Gems AuctionBangkok, TH

17.79 Ct Natural Green Onyx Round Cut Beads: Weight - 17.79 Ct / Size - 8.40 - 8.90 mm / 6 Pc's / Shape - Drilled Round Cut Beads / Color - Green / Clarity - OPaque / Origin - Africa / Treatment - None

2026

17.79 Ct Natural Green Onyx Round Cut Beads

Gems AuctionBangkok, TH

21.13 Ct Natural Black Onyx Drilled Fancy Cab: Weight - 21.13 Ct / Size - 35.00 x 25.00 x 4.80 mm / Shape - Drilled Fancy Cab / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

21.13 Ct Natural Black Onyx Drilled Fancy Cab

Gems AuctionBangkok, TH

13.81 Ct Natural Black Onyx Drilled Fancy Pear Drop: Weight - 13.81 Ct / Size - 25.00 x 8.60 x 8.60 mm / Shape - Fancy Pear Drop / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

13.81 Ct Natural Black Onyx Drilled Fancy Pear Drop

Gems AuctionBangkok, TH

13.80 Ct Natural Black Onyx Fancy Pear Drop Beads: Weight - 13.80 Ct / Size - 11.30 x 8.10 x 8.10 mm / 2 Pc's / Shape - Fancy Pear Drop Beads / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.80 Ct Natural Black Onyx Fancy Pear Drop Beads

Gems AuctionBangkok, TH

50.65 Ct Natural Black Onyx Drilled Fancy Round Cab: Weight - 50.65 Ct / Size - 50.00 x 50.00 x 4.00 mm / Shape - Fancy Round Cab / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

50.65 Ct Natural Black Onyx Drilled Fancy Round Cab

Gems AuctionBangkok, TH

13.63 Ct Natural Black Onyx Checker Cut Round Cab: Weight - 13.63 Ct / Size - 16.30 x 16.20 x 7.60 mm / Shape - Checker Cut Round Cab / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

13.63 Ct Natural Black Onyx Checker Cut Round Cab

Gems AuctionBangkok, TH

50.81 Ct Natural Onyx Fancy Drilled Fancy Round Cab: Weight - 50.81 Ct / Dimensions - 40.00 x 40.00 x 4.50 mm / Shape - Drilled Fancy Round Cab / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

50.81 Ct Natural Onyx Fancy Drilled Fancy Round Cab

Gems AuctionBangkok, TH

3.61 Ct Natural Black Onyx Drilled Fancy Round Cab: Weight - 3.61 Ct / Size - 15.00 x 15.00 x 3.00 mm / Shape - Drilled Fancy Round Cab / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

3.61 Ct Natural Black Onyx Drilled Fancy Round Cab

Gems AuctionBangkok, TH

MASSIVE GREEN ONYX CRYSTAL ENCRUSTED COCKTAIL RING: *For ALTERNATIVE SHIPPING QUOTES or local PICKUP details, please visit www.dejavuauctionshipping.com* MASSIVE green onyx clear gemstone with crystal encrusted sorrounding. White gold filled design, st

2026

MASSIVE GREEN ONYX CRYSTAL ENCRUSTED COCKTAIL RING

DejaVu Estate Sales & Auctions, LLCWest Palm Beach, FL

Onyx Egg: Onyx Egg, 2 5/8in

2026

Bryant Art AuctionPlacentia, CA

America Sterling Silver Black Onyx Post Earring's.: This is a America Sterling Silver Black Onyx Post Earring's.

2026

America Sterling Silver Black Onyx Post Earring's.

AWS AuctioneersLos Angeles, CA

2 French Brass & Onyx Petite Tables: 2 French Brass & Onyx Petite Tables - 16 in tall x 17 x 9 each

2026

2 French Brass & Onyx Petite Tables

Gallery AuctionsHouston, TX

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Eastern European Art Gallery Inc

Starts on:

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Starts on:

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4 days Left

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

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Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

3 days Left

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