Results for “Black Opal”

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Vintage 14k Yellow Gold Black Opal Cufflinks Natural Gemstones: Vintage 14k Yellow Gold Black Opal Cufflinks Natural Gemstones Elevate your style with these vintage cufflinks, expertly crafted from 14k solid yellow gold. Each cufflink features a stunning natural b

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Vintage 14k Yellow Gold Black Opal Cufflinks Natural Gemstones

US$2,750

BidhausNew York, NY

Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring: Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring This exquisite cocktail ring features a stunning 5.00ct natural Australian oval black opal, beautifully showcased with a play of colors

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Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring

US$9,230

Diamond DepotNew York, NY

7.7 Carats AAA Quality Natural Fiery Black Opal - 17X13X8 mm: 7.7 Carats AAA Quality Natural Fiery Black Opal - 17X13X8 mm Shipping Rate: FREE SHIPPINGshipping rates are FREE WORLDWIDECombined shipping: We offer combine shipping on multiple items purchased to re

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7.7 Carats AAA Quality Natural Fiery Black Opal - 17X13X8 mm

US$330

Fantasy JewelryMuscat, AE

1.93ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 76FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 9x5mm. The black smoke treatment deepens the

19 hrs Left

1.93ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 76FX

Est.

US$10

-

US$200

US$10

ThousandPlanetSathorn, Bangkok

1.92 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.92 Ct / Size - 12.60 x 7.80 x 5.40 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.92 Ct Natural Black Flashing Fire Opal Pear Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

Natural Burmese Type A Ink Black Floating Jadeite Jade Beaded Necklace, 35WY: Fabricated from genuine Burmese Type A jadeite featuring natural ink black floating mineral tones distributed organically within the stone matrix, each bead receives uniform lapidary polishing for a s

2 days Left

Natural Burmese Type A Ink Black Floating Jadeite Jade Beaded Necklace, 35WY

Est.

US$35

-

US$200

US$35

Lazo HeritageSathorn, Bangkok

BAILEY BANKS & BIDDLE PLATINUM OPAL DIAMOND PENDANT EDWARDIAN1910S: BAILEY BANKS & BIDDLE PLATINUM OPAL DIAMOND PENDANT EDWARDIAN1910S Bailey Banks & Biddle Black Opal Diamond Platinum Pendant Fabulous pendant created by Bailey Banks & Biddle in the 1910s. The pendant

Aug 30, 2026

BAILEY BANKS & BIDDLE PLATINUM OPAL DIAMOND PENDANT EDWARDIAN1910S

Est.

US$16,830

-

US$18,810

US$13,750

Modern JewelryValley Village, CA

AUSTRALIAN OVAL SEMI-BLACK SOLID OPAL: Australian Oval Semi-Black Solid Opal

14 hrs Left

AUSTRALIAN OVAL SEMI-BLACK SOLID OPAL

Est.

US$1,750

-

US$2,000

US$100

Dynasty Heritage AuctionsNew Castle, DE

10K Yellow Gold Oval Triplet Opal Black Onyx Solitaire Ring: 10K Yellow Gold Oval Triplet Opal Black Onyx Solitaire Ring This stunning 10K Yellow Gold Bezel Oval Triplet Opal on Black Onyx Domed Solitaire Band Ring showcases a unique blend of vibrant colors and

3 days Left

10K Yellow Gold Oval Triplet Opal Black Onyx Solitaire Ring

Est.

US$390

-

US$507

US$100

BidhausNew York, NY

8.35 Carats Top Quality Natural Fire Black Opal - 19X13X7 mm: 8.35 Carats Top Quality Natural Fire Black Opal - 19X13X7 mm Shipping Rate: FREE SHIPPINGshipping rates are FREE WORLDWIDECombined shipping: We offer combine shipping on multiple items purchased to re

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8.35 Carats Top Quality Natural Fire Black Opal - 19X13X7 mm

US$350

Fantasy JewelryMuscat, AE

1.36ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 36FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 11x8x3mm. The black smoke treatment deepens

19 hrs Left

1.36ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 36FX

Est.

US$10

-

US$200

US$10

ThousandPlanetSathorn, Bangkok

Sterling Silver Bolo Tie with Turquoise Opal Onyx Geometric Inlay: Sterling Silver Bolo Tie with Turquoise Opal Onyx Geometric Inlay This bolo tie features a geometric design crafted from sterling silver, showcasing a natural turquoise oval cabochon, a custom diamond

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Sterling Silver Bolo Tie with Turquoise Opal Onyx Geometric Inlay

US$570

Diamond DepotNew York, NY

1.90 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.90 Ct / Dimensions - 11.70 x 7.70 x 4.70 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.90 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

2.69ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 75TG: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 11.9x9.6x5.0mm. The black smoke treatment de

2 days Left

2.69ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 75TG

Est.

US$25

-

US$100

US$25

Lazo HeritageSathorn, Bangkok

AUSTRALIAN OVAL-SHAPED SEMI-BLACK SOLID OPAL: Australian Oval-shaped Semi-Black Solid Opal

14 hrs Left

AUSTRALIAN OVAL-SHAPED SEMI-BLACK SOLID OPAL

Est.

US$1,250

-

US$1,500

US$100

Dynasty Heritage AuctionsNew Castle, DE

7.05 Carats AAA Quality Natural Fire Black Opal - 16X12X8 mm: 7.05 Carats AAA Quality Natural Fire Black Opal - 16X12X8 mm Shipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multi

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7.05 Carats AAA Quality Natural Fire Black Opal - 16X12X8 mm

US$300

Fantasy JewelryMuscat, AE

2.18ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 72FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 12x8x4mm. The black smoke treatment deepens

19 hrs Left

2.18ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 72FX

Est.

US$10

-

US$200

US$10

ThousandPlanetSathorn, Bangkok

OPAL DIAMOND GOLD NECKLACE ENAMEL 18K YELLOW BUTTON LINK VINTAGE UNIQUE: OPAL DIAMOND GOLD NECKLACE ENAMEL 18K YELLOW BUTTON LINK VINTAGE UNIQUE This is a beautiful vintage long necklace; it is crafted from 18k yellow gold featuring alternating long rectangle shape with te

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OPAL DIAMOND GOLD NECKLACE ENAMEL 18K YELLOW BUTTON LINK VINTAGE UNIQUE

US$26,144

Modern JewelryValley Village, CA

1.93 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.93 Ct / Size - 12.90 x 8.00 x 5.40 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.93 Ct Natural Black Flashing Fire Opal Pear Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

Black Opal 18K Yellow Gold Convertible Pendant and Brooch 2 Inch 25 Ct: Black Opal 18K Yellow Gold Convertible Pendant and Brooch 2 Inch 25 Ct This is a pre-owned pendant and brooch crafted from 18K yellow gold, featuring an approximately 25.00 carat black opal. The piece

4 days Left

Black Opal 18K Yellow Gold Convertible Pendant and Brooch 2 Inch 25 Ct

Est.

US$8,034

-

US$10,445

US$3,100

Diamond DepotNew York, NY

Vintage 14K Yellow Gold Knot Cufflinks with Natural Black Opal: Vintage 14K Yellow Gold Knot Cufflinks with Natural Black Opal This exquisite pair of cufflinks showcases vintage design and luxurious materials. Crafted from solid 13-14K yellow gold, these cufflinks

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Vintage 14K Yellow Gold Knot Cufflinks with Natural Black Opal

US$2,610

BidhausNew York, NY

2.50ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 71TG: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 11.8x9.3x5.2mm. The black smoke treatment de

2 days Left

2.50ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 71TG

Est.

US$25

-

US$100

US$25

Lazo HeritageSathorn, Bangkok

11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mm: 11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mm Shipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on m

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11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mm

US$440

Fantasy JewelryMuscat, AE

1.50ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 46FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 12x8x3mm. The black smoke treatment deepens

19 hrs Left

1.50ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 46FX

Est.

US$10

-

US$200

US$10

ThousandPlanetSathorn, Bangkok

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