Results for “opal 18k”

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VINTAGE OPAL DIAMOND PENDANT 10K GOLD SILVER AND 18K GOLD CHAIN: VINTAGE OPAL DIAMOND PENDANT 10K GOLD SILVER AND 18K GOLD CHAIN Product details: DESIGNER: Unknown CIRCA: Early 20th Century MATERIALS: 18k Gold Chain, 10k Gold Silver Pendant GEMSTONE: Opal, Diamond

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VINTAGE OPAL DIAMOND PENDANT 10K GOLD SILVER AND 18K GOLD CHAIN

US$4,080

Valley Village, CA

Modern Jewelry

4.5

(218)

DIAMOND GOLD EARRINGS MEXICAN OPAL 2.70CT 18K WHITE POST CLIP: DIAMOND GOLD EARRINGS MEXICAN OPAL 2.70CT 18K WHITE POST CLIP These adorable huggie earrings are crafted from 18k white gold featuring a small triangle shape with a stunning trillion cut Mexican orang

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DIAMOND GOLD EARRINGS MEXICAN OPAL 2.70CT 18K WHITE POST CLIP

US$7,910

Valley Village, CA

Modern Jewelry

4.5

(218)

18K White Gold Necklace by Schreiner with Pearls Diamonds Opals Emeralds 42 In: 18K White Gold Necklace by Schreiner with Pearls Diamonds Opals Emeralds 42 In Pre-owned SCHREINER necklace crafted in 18K white gold and set with South Sea pearls, diamonds, opals, and emeralds. The

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18K White Gold Necklace by Schreiner with Pearls Diamonds Opals Emeralds 42 In

US$72,870

New York, NY

Diamond Depot

4.3

(16)

18K (18-karat) Yellow Gold Necklace with Opal (Laminated Stone), Certificate of Authenticity, Total: --- Catalog ---Category: SizeWeight: 4.9g / 0.17oz.Pendant Size: 22mm x 14mm / 0.86'' x 0.55''Neck Circumference: 42 cm / 16.53''Category: DesignColor: Yellow goldMetal: GoldStone: OpalGender: WomenMa

14 hrs Left

18K (18-karat) Yellow Gold Necklace with Opal (Laminated Stone), Certificate of Authenticity, Total

Est.

US$1,100

-

US$1,650

US$100

MIAMI, FL

Intervendue

4.5

(79)

18K Gold Ring with Opal Emeralds and Diamond Accents: 18K Gold Ring with Opal Emeralds and Diamond Accents An 18K yellow gold ring set with opal, emerald, and diamond accents. The ring weighs 10.1 grams and is pre-owned. It features an approximate 5.00 c

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18K Gold Ring with Opal Emeralds and Diamond Accents

US$2,690

New York, NY

Diamond Depot

4.3

(16)

ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCH: ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCH Antique Art Deco Platinum & 18k Yellow Gold Australian Fire Opal Pin Brooch Size: Over 1 1/4" Wide by 1 1/8" Tall Weight is

Oct 11, 2026

ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCH

Est.

US$5,092

-

US$5,691

US$4,150

Valley Village, CA

Modern Jewelry

4.5

(218)

DESIGNER SATIN FINISH 18K YELLOW GOLD NATURAL AUSTRALIAN FIRE OPAL MODERN RING: DESIGNER SATIN FINISH 18K YELLOW GOLD NATURAL AUSTRALIAN FIRE OPAL MODERN RING Designer Satin Finish 18k Yellow Gold Natural Australian Fire Opal Modern Ring Ring Size: 5.5 - Can be Resized Weight is

Oct 11, 2026

DESIGNER SATIN FINISH 18K YELLOW GOLD NATURAL AUSTRALIAN FIRE OPAL MODERN RING

Est.

US$5,092

-

US$5,691

US$4,150

Valley Village, CA

Modern Jewelry

4.5

(218)

18K Yellow Gold 8.0ct Egyptian Opal Ring: A luminous 8.0 carat Egyptian Opal adds warmth, color, and style to the center of this exquisite luxury ring. Crafted from 18K Yellow Gold, intricate metalwork makes it a captivating piece that will c

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18K Yellow Gold 8.0ct Egyptian Opal Ring

US$2,500

Broomall, PA

Eastern European Art Gallery Inc

4.3

(3)

MODERN 18K YELLOW GOLD, DIAMOND & OPAL RING DESIGNER: MODERN 18K YELLOW GOLD, DIAMOND & OPAL RING DESIGNER Modern Designer 18k Yellow Gold, Diamond & Opal Ring This is a must for a collector The weight is 8.68 grams The height is 3/8 of an inch The width

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MODERN 18K YELLOW GOLD, DIAMOND & OPAL RING DESIGNER

US$4,250

Valley Village, CA

Modern Jewelry

4.5

(218)

Tous Aquamarine Opal Pendant Necklace in 18K Yellow Gold: Tous Aquamarine Opal Pendant Necklace in 18K Yellow Gold Elevate your jewelry collection with this exquisite Tous Opal Aquamarine Pendant Necklace. Crafted from 18K yellow gold, this necklace features

Sep 16, 2026

Tous Aquamarine Opal Pendant Necklace in 18K Yellow Gold

Est.

US$598

-

US$777

US$100

New York, NY

Mynt Auctions

4.5

(915)

DESIGNER TAJ 18K YELLOW GOLD 3.19TCW AUSTRALIAN FIRE OPAL & DIAMOND PIN BROOCH: DESIGNER TAJ 18K YELLOW GOLD 3.19TCW AUSTRALIAN FIRE OPAL & DIAMOND PIN BROOCH Designer TAJ 18k Yellow Gold 3.19tcw Australian Fire Opal & Diamond Pin Brooch Size: 1 5/8" Tall By 1 1/8" Wide Metal: 18

Oct 11, 2026

DESIGNER TAJ 18K YELLOW GOLD 3.19TCW AUSTRALIAN FIRE OPAL & DIAMOND PIN BROOCH

Est.

US$5,092

-

US$5,691

US$4,150

Valley Village, CA

Modern Jewelry

4.5

(218)

Beautiful Natural Black Opal Ring With Natural Diamond & 18k Gold: Title: Beautiful Natural Black Opal Ring With Natural Diamond & 18k Gold Description: Beautiful 1.14 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 1.14 CTS Natura

Beautiful Natural Black Opal Ring With Natural Diamond & 18k Gold

Est. —

£350

Dunstable

William George

4.2

(15)

Sterling Silver Ring Topaz Opal Pearl Akoya Elie Yellow Gold Natural 18k: Sterling Silver Ring Topaz Opal Pearl Akoya Elie Yellow Gold Natural 18k Item Specifics: Shape: Round Main Stone Creation: Natural Occasion: Anniversary Birthday Christmas Engagement Graduation Mother

7 days Left

Sterling Silver Ring Topaz Opal Pearl Akoya Elie Yellow Gold Natural 18k

Est.

US$5,425

-

US$6,525

US$1,450

Raleigh, NC

SEUYCO

4.6

(92)

GIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond Sides: GIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond Sides This elegant cocktail ring features a natural black opal with captivating blue and light green play of colors, certified by GIA. The opa

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GIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond Sides

US$3,350

New York, NY

Mynt Auctions

4.5

(915)

18K Yellow Gold 0.06ct Diamond and Opal Ring: This estate ring is crafted in 18K yellow gold and centers on a 4.0 carat cabochon Australian opal displaying vibrant play-of-color, accented by round diamonds totaling approximately 0.06 carats set i

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18K Yellow Gold 0.06ct Diamond and Opal Ring

US$1,300

Broomall, PA

Eastern European Art Gallery Inc

4.3

(3)

Beautiful Natural Black Opal Earrings With Natural Black Diamond & 18k Gold: Title: Beautiful Natural Black Opal Earrings With Natural Black Diamond & 18k Gold Description: Beautiful 2.61 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 2.61

Beautiful Natural Black Opal Earrings With Natural Black Diamond & 18k Gold

Est. —

£350

Dunstable

William George

4.2

(15)

18k Yellow Gold Fire Opal Diamond Teardrop Pendant Necklace: 18k Yellow Gold Fire Opal Diamond Teardrop Pendant Necklace This exquisite necklace features a stunning teardrop pendant crafted from solid 18k yellow gold. It showcases a natural blue fire opal with

4 days Left

18k Yellow Gold Fire Opal Diamond Teardrop Pendant Necklace

Est.

US$3,788

-

US$4,546

US$1,100

New York, NY

Diamond Depot

4.3

(16)

DIAMOND OPAL GOLD RING/PENDANT 18K YELLOW 14.5CT OVAL COCKTAIL STYLE: DIAMOND OPAL GOLD RING/PENDANT 18K YELLOW 14.5CT OVAL COCKTAIL STYLE This 18K yellow gold ring/pendant features a stunning oval-shaped opal with diamond halo. The cocktail style design adds a touch of

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DIAMOND OPAL GOLD RING/PENDANT 18K YELLOW 14.5CT OVAL COCKTAIL STYLE

US$22,095

Valley Village, CA

Modern Jewelry

4.5

(218)

ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RING: ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RING This is a new and very pretty rose gold and natural Mexican opals ladies ring. It is exquisitely crafted in 18k rose gold with a smooth hig

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ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RING

US$6,614

Valley Village, CA

Modern Jewelry

4.5

(218)

DIAMOND MEXICAN OPAL GOLD EARRINGS 18K WHITE PEAR SHAPE DANGLE STYLE: DIAMOND MEXICAN OPAL GOLD EARRINGS 18K WHITE PEAR SHAPE DANGLE STYLE This is a stunning pair of drop dangle earrings; they are crafted from 18k white gold featuring a huggie hoop top with diamonds on

Oct 8, 2026

DIAMOND MEXICAN OPAL GOLD EARRINGS 18K WHITE PEAR SHAPE DANGLE STYLE

Est.

US$6,807

-

US$7,608

US$5,600

Valley Village, CA

Modern Jewelry

4.5

(218)

18k White Gold Opal Diamond Halo Pendant: 18k White Gold Opal Diamond Halo Pendant This elegant pendant features a large natural opal in an elongated oval cabochon cut, prong set in solid 18k white gold. The opal displays a white base color w

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18k White Gold Opal Diamond Halo Pendant

US$4,740

New York, NY

Diamond Depot

4.3

(16)

18K Yellow Gold Setting with 24.05ct Opal Ladies Pendant: Retail: $3,920.00 ****** 18K Yellow Gold Setting with 24.05ct Opal Ladies Pendant ****** Metal: 18K Yellow Gold / Total Item Weight: 13.51 Grams / Country Made: United States / / Main Stone: Opal / Co

1 day Left

18K Yellow Gold Setting with 24.05ct Opal Ladies Pendant

Est.

US$3,669

-

US$4,302

US$50

Arcadia, CA

Riverside Galleries

4.6

(222)

Chaumet Attrape Moi Bee Heart Opal Diamond 18k Rose Gold Necklace Pendant Insect: Chaumet Attrape Moi Bee Heart Opal Diamond 18k Rose Gold Necklace Pendant Insect Item Specifics: Pendant Shape: Bee Closure: Spring Ring Occasion: Anniversary Birthday Christening Christmas Confirmati

Sep 20, 2026

Chaumet Attrape Moi Bee Heart Opal Diamond 18k Rose Gold Necklace Pendant Insect

Est.

US$3,275

-

US$3,950

US$870

Raleigh, NC

SEUYCO

4.6

(92)

18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope Chain: 18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope Chain This exquisite pendant necklace features a stunning freeform boulder opal, showcasing a captivating blue base enhanced by a remark

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18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope Chain

US$3,710

New York, NY

Diamond Depot

4.3

(16)

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