Results for “Black Opal Gemstone”

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Rare 18k 1980 Paloma Picasso 7ct Black Opal Torsade Necklace Tiffany Co NG1760: This amazing Tiffany & Co torsade necklace showcases Paloma Picasso’s early signature aesthetic: bold, sculptural goldwork with a focus on dramatic, and high-contrast gemstones. The central black op

Mar 19, 2026

Rare 18k 1980 Paloma Picasso 7ct Black Opal Torsade Necklace Tiffany Co NG1760

Eco Estate Jewelry

Est. US$25,000-US$35,000

Southwest Sterling Silver Multi Gemstone Necklace: Southwest Sterling Silver Black Opal Wild Horse Turquoise Necklace 18-20in Length 21g

7 days Left

Southwest Sterling Silver Multi Gemstone Necklace

Retro Roadshow Auctions

Est. US$200-US$400

Southwest Sterling Silver Multi Gemstone Cluster Ring: Southwest Sterling Silver Black Opal Spiny Mojave Turquoise Cluster Ring Signed Hada Sterling Approx Size 7 Adjustable 15.5g

7 days Left

Southwest Sterling Silver Multi Gemstone Cluster Ring

Retro Roadshow Auctions

Est. US$200-US$400

Cosmic Fire Black Opal Oval Cabochon: Cosmic Fire Black Opal Oval Cabochon A gemstone of celestial wonder, this Black Opal features a smooth oval cabochon cut that reveals a breathtaking play of color. Against its deep black base, flashe

6 days Left

Cosmic Fire Black Opal Oval Cabochon

Weatherham Estate Treasures

Est. US$450-US$600

7.13ct LOOSE OVAL CABOCHON NATURAL BLACK OPAL AUSTRALIA: 7.13ct NATURAL BLACK OPAL Natural Untreated black opal Australian Lightening ridge black opal 7.13ct Measures 17.4mm x 12.5mm x 5.4mm Black opal with blue color Diamonds & gemstones:

Mar 19, 2026

7.13ct LOOSE OVAL CABOCHON NATURAL BLACK OPAL AUSTRALIA

Est. US$684-US$842

Black Opal Line Tennis Bracelet in 14K Yellow Gold: In 14K Yellow Gold. Contains seven high quality 13x2mm and one 8x2mm Black Opal gemstones with intense play of color with flashes of green and blue. One opal stone has very small crack in it, not noti

10 hrs Left

Black Opal Line Tennis Bracelet in 14K Yellow Gold

Eric's Estate & Jewelry

Est. US$3,327-US$4,991

2.45 ct Pear Multicolor Black Opal: 2.45 ct Pear Multicolor Black Opal Introducing the Pear Multicolor Black Opal, a striking natural gemstone weighing 2.45 carats. This Ethiopian opal showcases a vibrant play of multicolored hues acros

Mar 17, 2026

2.45 ct Pear Multicolor Black Opal

Weatherham Estate Treasures

Est. US$300-US$400

Tanzanite, Diamond, and Opal Inlay Bracelet in 14k Yellow Gold: In 14k Yellow Gold. Contains ten 3x5mm high quality natural Tanzanite gemstones, approximately 2.5ct TW, with vibrant color and excellent clarity. Also contains five 10mm high quality natural black Op

2026

Tanzanite, Diamond, and Opal Inlay Bracelet in 14k Yellow Gold

Eric's Estate & Jewelry

Tanzanite, Diamond, and Opal Inlay Bracelet in 14k Yellow Gold: In 14k Yellow Gold. Contains ten 3x5mm high quality natural Tanzanite gemstones, approximately 2.5ct TW, with vibrant color and excellent clarity. Also contains five 10mm high quality natural black Op

10 hrs Left

Tanzanite, Diamond, and Opal Inlay Bracelet in 14k Yellow Gold

Eric's Estate & Jewelry

Est. US$3,835-US$5,753

second-hand Black Opal Ring: This is a black opal ring. Such large black opals are extremely rare and precious. Under the sunlight, it sparkles with deep blue and orange hues, making this ring truly exquisite. However, there is a

5 days Left

second-hand Black Opal Ring

Est. £60,000-£120,000

1.38 Ct "Play Of Colors" Natural Black Fire Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 1.38 ct /Size or Dimensions: 10.30 X 8.30 X 4 mm Approx /Treatment: Heated

Mar 08, 2026

1.38 Ct "Play Of Colors" Natural Black Fire Opal

Finest Gems Auction

Est. US$75-US$150

2.14 Ct Natural Black Opal Set: Gemstones: Natural Black Fire Opal /Carat Weights: 2.14 ct /Size or Dimensions: 6 X 4 mm /Treatment: Heated

Mar 08, 2026

2.14 Ct Natural Black Opal Set

Finest Gems Auction

Est. US$75-US$150

Second-hand Antique precious emotional jewelry pendant: Antique rare sentimental jewelry pendant, inlaid with gemstone decoration.This is a very rare Edwardian era antique pendant jewelry with exquisite and delicate carved figures and plant patterns. The s

5 days Left

Second-hand Antique precious emotional jewelry pendant

Est. £60,000-£120,000

0.89 Ct "Play Of Colors" Natural Black Opal Cut: Gemstones: Natural Black Fire Opal /Carat Weights: 0.89 ct /Size or Dimensions: 8 X 6 X 4.50 mmTreatment: Heated

Mar 08, 2026

0.89 Ct "Play Of Colors" Natural Black Opal Cut

Finest Gems Auction

Est. US$75-US$150

Natural Black Flashing Opal 1.68 ct Oval cut: 11.7 x 7.4 x 4.5mm While opals are traditionally cabochon-cut (domed), faceting is sometimes used to enhance specific types of play-of-color, particularly in more transparent or directional black opal

3 days Left

Natural Black Flashing Opal 1.68 ct Oval cut

California Gemstones

Est. US$15-US$100

0.76 Ct "Play Of Colors" Natural Black Opal Cut: Gemstones: Natural Black Fire Opal /Carat Weights: 0.76 ct /Size or Dimensions: 8 X 6 mmTreatment: Heated

Mar 08, 2026

0.76 Ct "Play Of Colors" Natural Black Opal Cut

Finest Gems Auction

Est. US$75-US$150

1.07 Ct "Play Of Colors" Natural Black Opal Cut: Gemstones: Natural Black Fire Opal /Carat Weights:1.07 ct /Size or Dimensions: 10 X 7 X 3.60 mmTreatment: Heated

Mar 08, 2026

1.07 Ct "Play Of Colors" Natural Black Opal Cut

Finest Gems Auction

Est. US$75-US$150

1.78 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 1.78 ct /Size or Dimensions: 11.50 X 6.80 X 4.70 mmTreatment: Heated

Mar 08, 2026

1.78 Ct "Play Of Colors" Natural Black Opal

Finest Gems Auction

Est. US$75-US$150

2.51 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 2.51 ct /Size or Dimensions: 11 X 7 X 6 mm Approx /Treatment: Heated

Mar 08, 2026

2.51 Ct "Play Of Colors" Natural Black Opal

Finest Gems Auction

Est. US$75-US$150

0.72 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.72 ct /Size or Dimensions: 8 X 6 X 3 mm /Treatment: Heated

Mar 08, 2026

0.72 Ct "Play Of Colors" Natural Black Opal

Finest Gems Auction

Est. US$75-US$150

0.99 Ct "Play Of Colors" Natural Black Opal Cut: Gemstones: Natural Black Fire Opal /Carat Weights: 0.99 ct /Size or Dimensions: 8.30 X 6.30 X 4.20 mmTreatment: Heated

Mar 08, 2026

0.99 Ct "Play Of Colors" Natural Black Opal Cut

Finest Gems Auction

Est. US$75-US$150

1.66 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 1.66 ct /Size or Dimensions: 8.80 X 8.80 X 4.30 mm /Treatment: Heated

Mar 08, 2026

1.66 Ct "Play Of Colors" Natural Black Opal

Finest Gems Auction

Est. US$75-US$150

0.96 Ct Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.96 ct /Size or Dimensions: 8 X 6 X 4.40 mm /Treatment: Heated

Mar 08, 2026

0.96 Ct Natural Black Opal

Finest Gems Auction

Est. US$75-US$150

Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986: Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986 These exquisite earrings by Angela Cummings feature a stunning combination of fire opal and black jade, set in luxurious 18K yellow g

12 hrs Left

Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986

Est. US$16,457-US$19,748

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