Onyx

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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

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

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

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

ANTIQUE RUSSIAN SILVER & CABACHON JEWELED CIG CASE: Measures 2 1/2 x 3 1/2 very very heavy with cabachon ruby, emerald, amethyst onyx and sapphire, mounted inside the silver. the inside is gold washed and in magnificent condition, aprox 9 ozt

2026

ANTIQUE RUSSIAN SILVER & CABACHON JEWELED CIG CASE

Cece's AuctionsWellington , FL

Aztec Onyx & Marble Chess Set w/ Board: 14.25x14.25 A hand-carved chess set in the Aztec style, fashioned from contrasting translucent white and banded brown stone, typically identified as onyx and marble. The pieces exhibit geometric, tier

2026

Aztec Onyx & Marble Chess Set w/ Board

Atlee Raber AuctionsDundee, OH

Jewelry Box lot of costume jewelry: O -Ray twisted cuff, tri-color metal curl bracelet Citizen Ladies watch, black onyx earrings , 5 rings includes: sterling turquoise ring with missing side stones, 18kt white gold G.E. ring, 2 gold ton

2026

Jewelry Box lot of costume jewelry

ATTIC TO AUCTION, LLCReading, PA

Native America Navajo Sterling Silver Black Onyx Pendant By Scott Skeets.: This is a Native America Navajo Sterling Silver Black Onyx Pendant By Scott Skeets.

2026

Native America Navajo Sterling Silver Black Onyx Pendant By Scott Skeets.

AWS AuctioneersLos Angeles, CA

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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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