Results for “Cut Opal”

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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, flashes

7 days Left

Cosmic Fire Black Opal Oval Cabochon

Est.

US$450

-

US$600

US$300

Weatherham Estate TreasuresCobourg, ON

Earthsplit Flame Boulder Opal Cushion Cabochon: Earthsplit Flame Boulder Opal Cushion Cabochon A dramatic fusion of earth and sky, this Boulder Opal gemstone features a cushion cabochon cut with a striking natural contrast, deep, earthy brown accen

7 days Left

Earthsplit Flame Boulder Opal Cushion Cabochon

Est.

US$300

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US$400

US$190

Weatherham Estate TreasuresCobourg, ON

Platinum 2.83ctw Oval Cabochon Opal Diamond Halo Cocktail Ring: Platinum 2.83ctw Oval Cabochon Opal Diamond Halo Cocktail Ring This stunning cocktail ring features a 2.28ct natural genuine opal in an oval cabochon cut, beautifully prong set to showcase its white b

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Platinum 2.83ctw Oval Cabochon Opal Diamond Halo Cocktail Ring

US$1,600

BidhausNew York, NY

Mexican Fire Opal and Diamond Ring in 10k Yellow Gold: In 10k Yellow Gold. Contains one 12x10mm high quality oval cut natural Mexican Fire Opal gemstone, approximately 5cts, with intense color and excellent clarity. Also contains ten high quality 1/2pt di

1 day Left

Mexican Fire Opal and Diamond Ring in 10k Yellow Gold

Est.

US$1,240

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US$1,860

US$540

Eric's Estate & JewelryPunta Gorda, FL

Mexican Fire Opal and Diamond Ring in 10k Yellow Gold: In 10k Yellow Gold. Contains one 12x10mm high quality oval cut natural Mexican Fire Opal gemstone, approximately 5cts, with intense color and excellent clarity. Also contains ten high quality 1/2pt di

2026

Mexican Fire Opal and Diamond Ring in 10k Yellow Gold

Eric's Estate & JewelryPunta Gorda, FL

Mexican Fire Opal and Diamond Ring in 10k Yellow Gold: In 10k Yellow Gold. Contains one 12x10mm high quality oval cut natural Mexican Fire Opal gemstone, approximately 5cts, with intense color and excellent clarity. Also contains ten high quality 1/2pt di

8 hrs Left

Mexican Fire Opal and Diamond Ring in 10k Yellow Gold

Est.

US$1,240

-

US$1,860

US$540

Eric's Estate & JewelryPunta Gorda, FL

50.12 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 50.12 Ct / Dimensions - 4.10 - 6.20 mm / 151 Pc's / 16" inches / Shape & Cut - Drilled Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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50.12 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

US$100

Gems AuctionBangkok, TH

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring: French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring This exquisite French Antique Art Nouveau ring showcases a stunning natural black opal complemented by sparkling diamonds. The r

12 hrs Left

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring

Est.

US$19,123

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US$24,859

US$100

BidhausNew York, NY

27.32 Ct Natural Multicolor Welo Opal Flash Fire Round Ball Beads Bracelet: Weight - 27.32 Ct / Dimensions - 4.70 - 6.00 mm / 37 Pc's / 9 " inches / Shape & Cut - Round Ball Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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27.32 Ct Natural Multicolor Welo Opal Flash Fire Round Ball Beads Bracelet

US$130

Gems AuctionBangkok, TH

51.28 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 51.28 Ct / Dimensions - 4.40 - 7.10 mm / 154 Pc's / 16 " inches / Shape & Cut - Round Ball Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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51.28 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

US$95

Gems AuctionBangkok, TH

Platinum 1.66ctw Oval Opal Diamond Halo Cocktail Ring: Platinum 1.66ctw Oval Opal Diamond Halo Cocktail Ring This exquisite cocktail ring features a stunning natural opal in an oval cabochon cut, measuring 9.7x6.8mm and weighing 1.29ct. The opal showcases

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Platinum 1.66ctw Oval Opal Diamond Halo Cocktail Ring

US$1,690

BidhausNew York, NY

Two Vintage Gold Rings; Diamond and Gemstones: round full cut diamonds, approx. 0.35ctw., marked "10K, N", yellow gold, 9 ring sz., 10.5 g; oval cabochon opal, round single cut blue sapphire halo, marked "10K, N", yellow gold, 6-1/2 ring sz., 4.1

Sep 3, 2026

Two Vintage Gold Rings; Diamond and Gemstones

Est.

US$500

-

US$700

US$250

Brunk AuctionsAsheville, NC

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring: French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring This exquisite French Antique Art Nouveau ring showcases a stunning natural black opal complemented by sparkling diamonds. The r

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French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring

US$18,630

Diamond DepotNew York, NY

2.13ct Oval Cabochon Natural Multicolor Black Opal Gemstone: 2.13ct Oval Cabochon Natural Multicolor Black Opal Gemstone This 2.13ct natural black opal from Ethiopia features a vivid multicolor play-of-color across a dark base. Expertly cut in an oval cabochon

2 days Left

2.13ct Oval Cabochon Natural Multicolor Black Opal Gemstone

Est.

US$250

-

US$350

US$150

Weatherham Estate TreasuresCobourg, ON

5.18 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Set: Weight - 5.18 Ct / Dimensions - 7.1x4.2 - 7.2x4.6 mm / 5 Pc's / Shape & Cut - Round Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

4 days Left

5.18 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Set

Est.

US$125

-

US$250

US$1

Gems AuctionBangkok, TH

14k Yellow Gold Australian Opal Ring with Diamond Accents and Scalloped Frame: 14k Yellow Gold Australian Opal Ring with Diamond Accents and Scalloped Frame This exquisite ring features a stunning natural Australian opal set in solid 14k yellow gold. The oval cabochon cut opal,

7 days Left

14k Yellow Gold Australian Opal Ring with Diamond Accents and Scalloped Frame

Est.

US$442

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US$574

US$340

BidhausNew York, NY

47.76 Ct Natural Multicolor Welo Opal Fire Round Beads: Weight - 47.76 Ct / Dimensions - 4.00 - 5.50 mm / 150 Pc's / 16" inches / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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47.76 Ct Natural Multicolor Welo Opal Fire Round Beads

US$95

Gems AuctionBangkok, TH

An opal, ruby, diamond, and 14k white gold ring: An opal, ruby, diamond, and 14k white gold ring Set with an oval-shaped opal cabochon measuring 16.66 x 12.80 mm, framed by one round-cut ruby halo and one round brilliant-cut diamond halo, with round

4 days Left

An opal, ruby, diamond, and 14k white gold ring

Est.

US$3,000

-

US$5,000

US$1,500

Clars AuctionsOakland, CA

50.62 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 50.62 Ct / Dimensions - 3.90 - 6.20 mm / 150 Pc's / 16" inches / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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50.62 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

US$100

Gems AuctionBangkok, TH

48.00 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 48.00 Ct / Dimensions - 4.00 - 7.10 mm / 158 Pc's / 16 " inches / Shape & Cut - Round Ball Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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48.00 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

US$90

Gems AuctionBangkok, TH

Sterling Silver Cocktail Rings (2): A gold tone sterling silver cocktail ring with amethyst center wreathed by opals, size 9, and a sterling silver cocktail ring with red cut stone center, size 10. Total weight is approx. 0.35oz.

5 days Left

Sterling Silver Cocktail Rings (2)

Est.

US$75

-

US$125

US$80

Keystone Auction LLCYork, PA

2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico: 2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico Natural fire opal gemstone weighing 2.71 carats, cut in an oval facet shape with a vivid red-orange color and transparent c

4 days Left

2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico

Est.

US$250

-

US$350

US$135

Weatherham Estate TreasuresCobourg, ON

34.60 Ct Natural Multicolor Welo Opal Flash Fire Round Ball Beads: Weight - 34.60 Ct / Dimensions - 3.60 - 6.20 mm / 86 Pc's / 14.5" inches / Shape & Cut - Round Ball Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

4 days Left

34.60 Ct Natural Multicolor Welo Opal Flash Fire Round Ball Beads

Est.

US$250

-

US$500

US$1

Gems AuctionBangkok, TH

5.93 Ct Natural Multicolor Welo Opal Fire Round Beads: Weight - 5.93 Ct / Dimensions - 5.30 - 5.40 mm / 16 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

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5.93 Ct Natural Multicolor Welo Opal Fire Round Beads

US$30

Gems AuctionBangkok, TH

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