Results for “opal 18k”

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18K WHITE GOLD OPAL RING WITH 0.30CTS OF DIAMONDS ( SIZE: 8 ) 2.2G: 18K WHITE GOLD OPAL RING WITH DIAMONDS 18k White Gold Opal Ring with Diamonds You are bidding on a pre-owned 18k White Gold Opal Ring with Diamonds. The ring has minor scuffs and scratches from normal

12 hrs Left

18K WHITE GOLD OPAL RING WITH 0.30CTS OF DIAMONDS ( SIZE: 8 ) 2.2G

Est.

US$1,572

-

US$1,757

US$1,275

Valley Village, CA

Modern Jewelry

4.5

(218)

18K White Gold 2.30ct Diamond and Opal Ring: This luxury ring is simply unforgettable. At the center of the elegant 18K White Gold setting, a luminous 13.0 carat Opal gemstone makes a stunning statement. It’s surrounded by Diamonds totaling 2.

6 days Left

18K White Gold 2.30ct Diamond and Opal Ring

Est.

US$4,500

-

US$6,000

US$3,500

Broomall, PA

Eastern European Art Gallery Inc

4.3

(4)

18K Opal Diamond Ring: Type: Ring Metal:18K White Gold Opal:3.37ct Diamond:0.80ct Size:7(US) Signed By: N/A

Sep 29, 2026

18K Opal Diamond Ring

Est.

US$800

-

US$1,110

US$300

Kowloon, HK

Koufuku.co Limited

4.3

(2)

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 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

Sep 10, 2026

18k Yellow Gold Opal Diamond Textured Bead Bypass Ring

Est.

US$8,190

-

US$9,828

US$3,700

New York, NY

Diamond Depot

4.3

(16)

VINTAGE 18K YELLOW GOLD OPAL DOUBLET FLUSH INLAY COMFORT FIT BAND RING -14.5G: VINTAGE 18K YELLOW GOLD OPAL DOUBLET FLUSH INLAY COMFORT FIT BAND RING -14.5G Vintage 18K Yellow Gold Opal Doublet Flush Inlay Comfort Fit Band Ring Ring Size: 6.75 - Can Be Re Sized Weight is 14.5 Gr

7 days Left

VINTAGE 18K YELLOW GOLD OPAL DOUBLET FLUSH INLAY COMFORT FIT BAND RING -14.5G

Est.

US$5,091

-

US$5,690

US$4,150

Valley Village, CA

Modern Jewelry

4.5

(218)

18K White Gold 0.65ct Diamond and Opal Halo Ring: A luminous estate cocktail ring centering a substantial pear-shaped opal cabochon weighing approximately 5.00 carats, displaying a bright white-to-cream body with a delicate play-of-color that shimmer

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18K White Gold 0.65ct Diamond and Opal Halo Ring

US$2,400

Broomall, PA

Eastern European Art Gallery Inc

4.3

(4)

18K White Gold Opal Diamond Pendant Necklace 16 Inch Cable Link: 18K White Gold Opal Diamond Pendant Necklace 16 Inch Cable Link This exquisite pendant features a stunning natural opal with an oval cabochon cut, prong set in solid 18K white gold, showcasing a beaut

6 days Left

18K White Gold Opal Diamond Pendant Necklace 16 Inch Cable Link

Est.

US$4,182

-

US$5,019

US$1,900

New York, NY

Diamond Depot

4.3

(16)

VINTAGE 18K GOLD COCKTAIL RING WITH NINETEEN NATURAL OPALS ( SIZE: 8.25 ) 6.5G: VINTAGE / ANTIQUE 18K GOLD RING WITH 19 NATURAL OPALS SIZE: 8.25 Vintage / Antique 18k Gold Ring with 19 Natural Opals Condition: Vintage / Antique, has been used Material: 18k Yellow Gold Ring Size:

12 hrs Left

VINTAGE 18K GOLD COCKTAIL RING WITH NINETEEN NATURAL OPALS ( SIZE: 8.25 ) 6.5G

Est.

US$2,039

-

US$2,279

US$1,675

Valley Village, CA

Modern Jewelry

4.5

(218)

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

7 days Left

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)

Antique Victorian 18k Gold Opal Diamond Dome Ring 1.02ct: Antique Victorian 18k Gold Opal Diamond Dome Ring 1.02ct This stunning Antique Victorian ring showcases a large natural opal at its center, featuring an oval cabochon cut with a beautiful play of oran

1 day Left

Antique Victorian 18k Gold Opal Diamond Dome Ring 1.02ct

Est.

US$6,591

-

US$7,910

US$3,000

New York, NY

Diamond Depot

4.3

(16)

David Webb Newport Earrings Platinum 18K Gold Opal Rock Crystal: David Webb Newport Earrings Platinum 18K Gold Opal Rock Crystal Elevate your elegance with these stunning David Webb Newport Earrings, a true testament to luxury and craftsmanship. These exquisite ear

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David Webb Newport Earrings Platinum 18K Gold Opal Rock Crystal

US$48,400

New York, NY

Diamond Depot

4.3

(16)

18K Yellow Gold Bracelet: 18K Yellow Gold Bracelet 2.3ct Diamonds, Gemstones and Opals A lavish celebration of color and craftsmanship, this 18K yellow gold bracelet showcases a dazzling composition of 38 brilliant diamonds to

6 days Left

18K Yellow Gold Bracelet

Est.

US$15,000

-

US$18,000

US$12,000

Broomall, PA

Eastern European Art Gallery Inc

4.3

(4)

VICTORIAN GOLD OPAL BROOCH 18K YELLOW LARGE CURVED SHAPE ENAMEL DESIGN: This is a gorgeous Victorian Era piece that exudes classic elegance. Crafted from 18k yellow gold, this brooch features a stunning multicolor opal cabochon set in a prong setting, ensuring that it is

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VICTORIAN GOLD OPAL BROOCH 18K YELLOW LARGE CURVED SHAPE ENAMEL DESIGN

US$10,113

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

7 days Left

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

Est.

US$5,091

-

US$5,690

US$4,150

Valley Village, CA

Modern Jewelry

4.5

(218)

18K GOLD VINTAGE RING PRINCESS TOP NATURAL OPALS & RUBIES ( SIZE: 7 ) 6.8G: 18K GOLD VINTAGE PRINCESS TOP OPAL RUBY RING 18k Gold Vintage Princess Top Opal Ruby Ring You are bidding on a pre-owned Vintage Princess Ring . The ring is in vintage condition. Features 18k gold, ri

12 hrs Left

18K GOLD VINTAGE RING PRINCESS TOP NATURAL OPALS & RUBIES ( SIZE: 7 ) 6.8G

Est.

US$2,209

-

US$2,469

US$1,800

Valley Village, CA

Modern Jewelry

4.5

(218)

Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire Opals: Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire Opals This exquisite vintage bracelet showcases a stunning design crafted from 18k yellow gold. It features a triple row arrangement wi

Sep 11, 2026

Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire Opals

Est.

US$9,880

-

US$12,844

US$100

New York, NY

Bidhaus

4.3

(878)

18K White Gold 0.70ct Diamond and Opal Three-Stone Ring: This three-stone ring showcases a 1.0 carat oval opal cabochon flanked by two round brilliant diamonds totaling approximately 0.70 carats, set in 18K white gold. The ring weighs 6.5 grams and includes

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18K White Gold 0.70ct Diamond and Opal Three-Stone Ring

US$2,100

Broomall, PA

Eastern European Art Gallery Inc

4.3

(4)

Blue topaz opal diamond gold ring: 18k yellow gold, set with a blue topaz framed by opals and brilliant-cut diamonds with an estimated total weight of approx. 0.20 ct, color F-G, clarity VVS-VS, as gauged and graded in the mount.Hallma

Sep 22, 2026

Blue topaz opal diamond gold ring

Est.

€2,700

-

€3,700

€1,700

Rome, RM

Bertolami Fine Art s.r.l.

4.1

(36)

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)

Opal diamond gold ring: 18k yellow gold, set with a teardrop-shaped opal framed by round brilliant-cut diamonds, estimated to have a total weight of approx. 0.45 ct, colour G-H, clarity VVS-VS, as gauged and graded in the se

Sep 22, 2026

Opal diamond gold ring

Est.

€3,000

-

€4,000

€1,800

Rome, RM

Bertolami Fine Art s.r.l.

4.1

(36)

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

1 day Left

18k White Gold Opal Diamond Halo Pendant

Est.

US$8,190

-

US$9,828

US$3,000

New York, NY

Diamond Depot

4.3

(16)

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

Bidhaus

4.3

(878)

18k Yellow Gold Opal Slide Pendant with Diamond Accents: 18k Yellow Gold Opal Slide Pendant with Diamond Accents This pendant features a freeform natural boulder opal displaying a fiery play of colors, prong set in solid 18k yellow gold with white gold acce

8 hrs Left

18k Yellow Gold Opal Slide Pendant with Diamond Accents

Est.

US$4,993

-

US$5,991

US$1,450

New York, NY

Diamond Depot

4.3

(16)

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