Onyx

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11.24 Ct Natural Blue Onyx Trillion Cut: Weight - 11.24 Ct / Size - 16.90 x 16.40 x 7.50 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

11.24 Ct Natural Blue Onyx Trillion Cut

Gems AuctionBangkok, TH

14.07 Ct Natural Black Onyx Pear Cut: Weight - 14.07 Ct / Size - 18.50 x 18.00 x 7.80 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.07 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

11.62 Ct Natural Black Onyx Trillion Cut: Weight - 11.62 Ct / Size - 17.20 x 17.10 x 7.50 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

11.62 Ct Natural Black Onyx Trillion Cut

Gems AuctionBangkok, TH

13.89 Ct Natural Green Onyx Fancy Cut: Weight - 13.89 Ct / Dimensions - 18.90 x 17.20 x 8.50 mm / Shape - Fancy Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.89 Ct Natural Green Onyx Fancy Cut

Gems AuctionBangkok, TH

14.35 Ct Natural Red Onyx Pear Cut: Weight - 14.35 Ct / Size - 18.00 x 17.90 x 7.80 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.35 Ct Natural Red Onyx Pear Cut

Gems AuctionBangkok, TH

12.92 Ct Natural Blue Onyx Pear Cut: Weight - 12.92 Ct / Size -17.70 x 17.60 x 7.70 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.92 Ct Natural Blue Onyx Pear Cut

Gems AuctionBangkok, TH

15.36 Ct Natural Red Onyx Round Cut: Weight - 15.36 Ct / Size - 17.20 x 17.20 x 8.90 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

15.36 Ct Natural Red Onyx Round Cut

Gems AuctionBangkok, TH

7.37 Ct Natural Red Onyx Oval Cut: Weight - 7.37 Ct / Size - 20.00 x 12.20 x 4.30 mm / Shape - Oval Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

7.37 Ct Natural Red Onyx Oval Cut

Gems AuctionBangkok, TH

11.83 Ct Natural Black Onyx Trillion Cut: Weight - 11.83 Ct / Size - 17.30 x 16.70 x 7.80 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

11.83 Ct Natural Black Onyx Trillion Cut

Gems AuctionBangkok, TH

6.72 Ct Natural Red Onyx Oval Cut: Weight - 6.72 Ct / Size - 20.10 x 12.30 x 3.70 mm / Shape - Oval Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

6.72 Ct Natural Red Onyx Oval Cut

Gems AuctionBangkok, TH

13.18 Ct Natural Blue Onyx Trillion Cut: Weight - 13.18 Ct / Size - 18.40 x 18.00 x 7.60 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.18 Ct Natural Blue Onyx Trillion Cut

Gems AuctionBangkok, TH

13.45 Ct Natural Green Onyx Round Cut: Weight - 13.45 Ct / Dimensions - 17.40 x 17.40 x 7.90 mm / Shape - Round Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.45 Ct Natural Green Onyx Round Cut

Gems AuctionBangkok, TH

12.04 Ct Natural Blue Onyx Trillion Cut: Weight - 12.04 Ct / Size -17.40 x 17.10 x 7.70 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.04 Ct Natural Blue Onyx Trillion Cut

Gems AuctionBangkok, TH

10.04 Ct Natural Blue Onyx Hexagon Cut: Weight - 10.04 Ct / Size - 17.00 x 14.90 x 7.00 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

10.04 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

14.60 Ct Natural Blue Onyx Round Cut: Weight - 14.60 Ct / Size - 17.00 x 17.00 x 8.30 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.60 Ct Natural Blue Onyx Round Cut

Gems AuctionBangkok, TH

14.45 Ct Natural Blue Onyx Hexagon Cut: Weight - 14.45 Ct / Size - 19.20 x 16.60 x 7.40 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.45 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

12.03 Ct Natural Black Onyx Fancy Cut: Weight - 12.03 Ct / Size - 19.20 x 17.30 x 6.50 mm / Shape - Fancy Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.03 Ct Natural Black Onyx Fancy Cut

Gems AuctionBangkok, TH

13.74 Ct Natural Blue Onyx Pear Cut: Weight - 13.74 Ct / Size -17.90 x 17.80 x 7.80 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.74 Ct Natural Blue Onyx Pear Cut

Gems AuctionBangkok, TH

2.62 Ct Natural Black Onyx Round Cut: Weight - 2.62 Ct / Size - 8.10 x 8.10 x 5.40 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

2.62 Ct Natural Black Onyx Round Cut

Gems AuctionBangkok, TH

13.53 Ct Natural Green Onyx Trillion Cut: Weight - 13.53 Ct / Dimensions - 18.00 x 18.10 x 8.10 mm / Shape - Trillion Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.53 Ct Natural Green Onyx Trillion Cut

Gems AuctionBangkok, TH

13.68 Ct Natural Black Onyx Pear Cut: Weight - 13.68 Ct / Size - 18.00 x 17.80 x 7.80 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.68 Ct Natural Black Onyx Pear Cut

Gems AuctionBangkok, TH

12.46 Ct Natural Blue Onyx Hexagon Cut: Weight - 12.46 Ct / Size -18.00 x 16.10 x 7.50 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.46 Ct Natural Blue Onyx Hexagon Cut

Gems AuctionBangkok, TH

14.23 Ct Natural Red Onyx Round Cut: Weight - 14.23 Ct / Size - 17.10 x 17.10 x 8.50 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.23 Ct Natural Red Onyx Round Cut

Gems AuctionBangkok, TH

14.19 Ct Natural Black Onyx Round Cut: Weight - 14.19 Ct / Size - 17.00 x 17.00 x 8.40 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

14.19 Ct Natural Black Onyx Round Cut

Gems AuctionBangkok, TH

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24

Onyx Auctions

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

JOAQUIN CLAUSELL - VELEROS / SAILBOATS PAINTING

1950'S DRINK COCA COLA STORE ADVERTISING SIGN 59.50" LONG

ANCIENT CHINESE TIBETAN STONE BUDDHA HEAD 12" TALL

GREAT ART ANTIQUES ADVERTISING ASIAN PERSIAN

Great Estates Auctioneers & Appraisers

Starts on:

ELLENVILLE, NY, US

18 hrs Left

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