Results for “opal 18k”

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Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow Gold: Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow Gold This exquisite estate ring showcases a captivating design crafted from 18k yellow gold with a high polished finish. The ring features a dome-

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Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow Gold

US$12,280

New York, NY

Diamond Depot

4.3

(16)

CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING: CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING CASBAH 18k Yellow Gold Marquise Cut Australian Fire Opal & Diamond Halo Ring Casbah 18k gold heavy 2.0ct VS1 clarity and F

Sep 6, 2026

CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING

Est.

US$3,391

-

US$3,790

US$2,750

Valley Village, CA

Modern Jewelry

4.5

(218)

18k Yellow Gold Opal Diamond Textured Bead Bypass Ring: 18k Yellow Gold Opal Diamond Textured Bead Bypass Ring This exquisite bypass statement ring features a stunning design crafted in solid 18k yellow gold. The ring showcases two natural genuine opals, e

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18k Yellow Gold Opal Diamond Textured Bead Bypass Ring

US$4,740

New York, NY

Mynt Auctions

4.5

(912)

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

Sep 6, 2026

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

Est.

US$5,091

-

US$5,690

US$4,150

Valley Village, CA

Modern Jewelry

4.5

(218)

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)

VINTAGE 18K YELLOW GOLD & AUSTRALIAN FIRE OPAL & DIAMOND PENDANT: VINTAGE 18K YELLOW GOLD & AUSTRALIAN FIRE OPAL & DIAMOND PENDANT Vintage 18k Yellow Gold & Australian Fire Opal & Diamond Pendant Size: Over 1 1/4" Tall By 5/8" Wide Weight Is 5.4 Grams Metal: 18k Yel

Sep 6, 2026

VINTAGE 18K YELLOW GOLD & AUSTRALIAN FIRE OPAL & DIAMOND PENDANT

Est.

US$2,031

-

US$2,270

US$1,650

Valley Village, CA

Modern Jewelry

4.5

(218)

BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5G: BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5G Bagley & Hotchkiss 18K Yellow Gold Black Opal Inlay & Diamond Ring 12.5g Ring Size: 5.75 - Can Be Resized Metal: 18k Yellow Gol

Sep 6, 2026

BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5G

Est.

US$3,901

-

US$4,360

US$3,200

Valley Village, CA

Modern Jewelry

4.5

(218)

OPAL DIAMOND GOLD EARRINGS 18K YELLOW OVAL GEMS POST CLIP: OPAL DIAMOND GOLD EARRINGS 18K YELLOW OVAL GEMS POST CLIP This is a stunning pair of oval shaped earrings; they are crafted in 18k yellow gold, they are beautiful vintage jewelry made with 18k yellow

1 day Left

OPAL DIAMOND GOLD EARRINGS 18K YELLOW OVAL GEMS POST CLIP

Est.

US$4,248

-

US$4,748

US$3,450

Valley Village, CA

Modern Jewelry

4.5

(218)

NECKLACE MEXICAN OPAL & OLD MINE CUT DIAMOND 18K GOLD PENDANT & CHAIN: NECKLACE MEXICAN OPAL & OLD MINE CUT DIAMOND 18K GOLD PENDANT & CHAIN This Mexican Opal and Old Mine Cut Diamond Necklace features a pear-shaped pendant set in 18k yellow gold. The vintage-inspired de

Oct 8, 2026

NECKLACE MEXICAN OPAL & OLD MINE CUT DIAMOND 18K GOLD PENDANT & CHAIN

Est.

US$8,137

-

US$9,094

US$6,700

Valley Village, CA

Modern Jewelry

4.5

(218)

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

Sep 8, 2026

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)

DESIGNER 18K WHITE GOLD NATURAL AUSTRALIAN FIRE OPAL & BLUE SAPPHIRE HALO RING: DESIGNER 18K WHITE GOLD NATURAL AUSTRALIAN FIRE OPAL & BLUE SAPPHIRE HALO RING Designer 18k White Gold Natural Australian Fire Opal & Blue Sapphire Halo Ring Ring Size: 8.25 - Can Be Resized Metal: 18

Sep 6, 2026

DESIGNER 18K WHITE GOLD NATURAL AUSTRALIAN FIRE OPAL & BLUE SAPPHIRE HALO RING

Est.

US$2,881

-

US$3,220

US$2,350

Valley Village, CA

Modern Jewelry

4.5

(218)

Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold: Title: Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold Description: Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold. Beautiful Natural Fire Opal Ring Wit

Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold

Est. —

£300

Dunstable

William George

4.2

(15)

ANTIQUE ENGLISH VICTORIAN 18K YELLOW GOLD FIRE OPAL - OLD CUT DIAMOND GYPSY RING: ANTIQUE ENGLISH VICTORIAN 18K YELLOW GOLD FIRE OPAL - OLD CUT DIAMOND GYPSY RING Antique English Victorian 18K Yellow Gold Fire Opal & Old Cut Diamond Gypsy Ring Ring Size: 5.5 - Can Be Resized Weight

Sep 6, 2026

ANTIQUE ENGLISH VICTORIAN 18K YELLOW GOLD FIRE OPAL - OLD CUT DIAMOND GYPSY RING

Est.

US$4,241

-

US$4,740

US$3,450

Valley Village, CA

Modern Jewelry

4.5

(218)

Beautiful Faceted 7.74 CT Natural Opal Ring With Natural Diamond & 18k Gold: Title: Beautiful Faceted 7.74 CT Natural Opal Ring With Natural Diamond & 18k Gold Description: Beautiful 7.74 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 7.74

Beautiful Faceted 7.74 CT Natural Opal Ring With Natural Diamond & 18k Gold

Est. —

£700

Dunstable

William George

4.2

(15)

Star Jewelry Necklace Opal Quartz Diamond Winter Planet 2020 18K Yg: Star Jewelry Necklace Opal Quartz Diamond Winter Planet 2020 18K Yg 18k Yellow Gold Star Jewelry Necklace showcases an exquisite combination of natural opal, quartz, and diamond. The Winter Planet col

Sep 9, 2026

Star Jewelry Necklace Opal Quartz Diamond Winter Planet 2020 18K Yg

Est.

US$1,025

-

US$1,250

US$270

Raleigh, NC

SEUYCO

4.6

(90)

ESTATE 6.20CT OPAL & DIAMOND 18K YELLOW GOLD 2.05" WIDE FANCY BRACELET: ESTATE 6.20CT OPAL & DIAMOND 18K YELLOW GOLD 2.05" WIDE FANCY BRACELET Estate 6.20ct Opal & Diamond 18k Yellow Gold 2.05" Wide Fancy Bracelet Description This large gorgeous Estate bracelet is crafted

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ESTATE 6.20CT OPAL & DIAMOND 18K YELLOW GOLD 2.05" WIDE FANCY BRACELET

US$20,783

Valley Village, CA

Modern Jewelry

4.5

(218)

18K YELLOW GOLD CARVED DEMON FACE AUSTRALIAN FIRE OPAL & DIAMOND DANGLE PENDANT: 18K YELLOW GOLD CARVED DEMON FACE AUSTRALIAN FIRE OPAL & DIAMOND DANGLE PENDANT 18k Yellow Gold Carved Demon Face Australian Fire Opal & Diamond Dangle Pendant Size: Around 1 1/2" Tall With Bail by Ar

Sep 6, 2026

18K YELLOW GOLD CARVED DEMON FACE AUSTRALIAN FIRE OPAL & DIAMOND DANGLE PENDANT

Est.

US$2,881

-

US$3,220

US$2,350

Valley Village, CA

Modern Jewelry

4.5

(218)

18k Yellow Gold Three Row Opal Cocktail Ring with Natural Stones: 18k Yellow Gold Three Row Opal Cocktail Ring with Natural Stones This stunning cocktail ring features a striking design with a three-row wide solid band crafted from 18k yellow gold. The centerpiece i

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18k Yellow Gold Three Row Opal Cocktail Ring with Natural Stones

US$2,750

New York, NY

Diamond Depot

4.3

(16)

CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING: CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING CASBAH 18k Yellow Gold Marquise Cut Australian Fire Opal & Diamond Halo Ring Casbah 18k gold heavy 2.0ct VS1 clarity and F

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CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING

US$3,391

Valley Village, CA

Modern Jewelry

4.5

(218)

Mikimoto Pendant Opal 0.36Ct Diamond 0.01Ct 18K 750 White Gold: Mikimoto Pendant Opal 0.36Ct Diamond 0.01Ct 18K 750 White Gold The Mikimoto Pendant Opal showcases a stunning natural opal, approximately 6.0mm in size, surrounded by a delicate 18K white gold setting

Sep 7, 2026

Mikimoto Pendant Opal 0.36Ct Diamond 0.01Ct 18K 750 White Gold

Est.

US$1,150

-

US$1,400

US$305

Raleigh, NC

SEUYCO

4.6

(90)

DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE: DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE This vintage 18k yellow gold ring features a large oval-shaped dome top with white diamond set in prongs with a large oval opal stone in the

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DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE

US$10,019

Valley Village, CA

Modern Jewelry

4.5

(218)

Edwardian 18k Gold Platinum Opal Diamond Halo Cluster Ring: Edwardian 18k Gold Platinum Opal Diamond Halo Cluster Ring This exquisite Antique Edwardian ring features an elegant cluster design, showcasing a stunning natural opal at its center. The opal is a rou

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Edwardian 18k Gold Platinum Opal Diamond Halo Cluster Ring

US$3,680

New York, NY

Diamond Depot

4.3

(16)

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)

Estate 6.20ct Opal Diamond 18k Yellow Gold Wide Bracelet: Estate 6.20ct Opal Diamond 18k Yellow Gold Wide Bracelet This stunning estate bracelet is masterfully crafted from 18k yellow gold, showcasing a unique textured open branch-like design. The front half

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Estate 6.20ct Opal Diamond 18k Yellow Gold Wide Bracelet

US$13,730

New York, NY

Bidhaus

4.3

(877)

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