Results for “opal 18k”

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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

$3,710

BidhausNew York, NY

Opal and Diamond Pendant in 18K White Gold with Orange Accent: Opal and Diamond Pendant in 18K White Gold with Orange Accent This pendant features a vibrant orange opal accented with diamonds, set in 18K white gold. The piece is designed as a pendant top and disp

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Opal and Diamond Pendant in 18K White Gold with Orange Accent

$3,520

BidhausNew York, NY

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

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

$2,420

BidhausNew York, NY

Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctw: Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctw This exquisite vintage bombe cocktail ring showcases a stunning combination of 18k yellow gold, opal, and diamonds, making it a perfect

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Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctw

$3,820

BidhausNew York, NY

Opal and Diamond Ring in 18K Yellow Gold with 48.36 Carat Center Stone: Opal and Diamond Ring in 18K Yellow Gold with 48.36 Carat Center Stone This ring features a 48.36 carat opal set in 18K yellow gold, accented by 36 diamonds with a total weight of approximately 1.40 c

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Opal and Diamond Ring in 18K Yellow Gold with 48.36 Carat Center Stone

$11,750

BidhausNew York, NY

Elegant 18k White Gold Opal Diamond Halo Ring US Size 8: Elegant 18k White Gold Opal Diamond Halo Ring US Size 8 This stunning opal ring features a captivating white opal at its center, beautifully surrounded by a halo of round brilliant diamonds that exhib

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Elegant 18k White Gold Opal Diamond Halo Ring US Size 8

$3,180

BidhausNew York, NY

Vintage 18k Gold GIA Certified Pear Opal Diamond Emerald Bark Ring: Vintage 18k Gold GIA Certified Pear Opal Diamond Emerald Bark Ring This exquisite vintage cocktail ring is crafted from solid 18k yellow gold and features a stunning pear cabochon opal at its center,

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Vintage 18k Gold GIA Certified Pear Opal Diamond Emerald Bark Ring

$2,890

BidhausNew York, NY

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

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18k Yellow Gold Fire Opal Diamond Teardrop Pendant Necklace

$2,190

BidhausNew York, NY

Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond Accents: Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond Accents This cocktail ring features a natural gray opal cabochon with a vibrant play of colors, set in solid 18k yellow gold. Accentuatin

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Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond Accents

$1,500

BidhausNew York, NY

Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond Accents: Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond Accents This cocktail ring features a natural gray opal cabochon with a vibrant play of colors, set in solid 18k yellow gold. Accentuatin

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Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond Accents

$1,500

BidhausNew York, NY

PIAGETOpal Dial 18K Daimond Ladies Watch: Type: WatchModel:N/ACase Material: 18K;Daimond;Opal;Gem StoneMovement: QuartzBand Material: 18KDial Color: Yellow GoldCase Size: 24mmWrist Size: 14cmAccessories:Repir Certificate

May 30, 2026

PIAGETOpal Dial 18K Daimond Ladies Watch

Est. $22,000-$24,000

$10,000

Koufuku.co LimitedKowloon, HK

Luis Alberto Quispe Aparicio Quartz Carving Group of Flamingos Blue Opal Base: Luis Alberto Quispe Aparicio Rose Quartz Carving Sculpture Flamboyance of Flamingos on a Blue Opal Geode Base. Depicts a group of 5 rose quartz flamingos, each with ruby cabochon eyes with 18k yellow

5 days Left

Luis Alberto Quispe Aparicio Quartz Carving Group of Flamingos Blue Opal Base

Est. $2,500-$3,000

$2,000

Taylor & HarrisWILMINGTON, CA

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

5 days Left

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

Est. $22,095-$24,694

$18,000

Modern JewelryValley Village, CA

4 days Left

BOULDER OPAL DESIGN RING YELLOW GOLD MELEE

Est. $7,500-$11,000

$25

NY Elizabeth Beverly Hills, CA

Stephen Webster 18kt Diamond Opal Quartz Earrings: Stephen Webster "Murder She Wrote" 18kt White Gold Quartz, Sapphire & Diamond Earrings A bold and highly distinctive pair of designer earrings from Stephen Webster's celebrated "Murder She Wrote" coll

6 days Left

Stephen Webster 18kt Diamond Opal Quartz Earrings

Est. $5,000-$6,000

$5

Hannosh'sMacomb, MI

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

Jun 04, 2026

MODERN 18K YELLOW GOLD, DIAMOND & OPAL RING DESIGNER

Est. $4,250-$4,750

$3,500

Modern JewelryValley Village, CA

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

Jun 04, 2026

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

Est. $4,080-$4,560

$3,350

Modern JewelryValley Village, CA

RETRO 18K YELLOW GOLD, OPAL, RUBY, SAPPHIRE & JADE BIRD MOTIF PENDANT C. 1950S: RETRO 18K YELLOW GOLD, OPAL, RUBY, SAPPHIRE & JADE BIRD MOTIF PENDANT C. 1950S Retro 18k Yellow Gold, Jade, Opal, Sapphire & Ruby Bird Motif Pendant Circa 1950s This is a must for a collector. The wei

Jun 04, 2026

RETRO 18K YELLOW GOLD, OPAL, RUBY, SAPPHIRE & JADE BIRD MOTIF PENDANT C. 1950S

Est. $1,615-$1,805

$1,325

Modern JewelryValley Village, CA

18K YG DANGLING EARRINGS WITH 0.3 CARAT ROUND DIAMONDS 5.54X14.64 MM OPAL & ONYX: 18K YG DANGLING EARRINGS WITH 0.3 CARAT ROUND DIAMONDS 5.54X14.64 MM OPAL & ONYX Video: Video Link Detailed Description: 0.3 Ct Diamond H Si, Opal, Onyx Turn heads with these stunning dangling earring

May 24, 2026

18K YG DANGLING EARRINGS WITH 0.3 CARAT ROUND DIAMONDS 5.54X14.64 MM OPAL & ONYX

Est. $8,381-$9,367

$6,900

Modern JewelryValley Village, CA

5 days Left

K18YG BOULDER OPAL NECKLACE

Est. $3,450-$5,060

$25

NY Elizabeth Beverly Hills, CA

4 days Left

18KYG OPAL RING

Est. $1,950-$2,860

$25

NY Elizabeth Beverly Hills, CA

3 days Left

750YG BLACK OPAL RING

Est. $2,925-$4,290

$25

NY Elizabeth Beverly Hills, CA

5 days Left

K18YG/K18WG OPAL RING

Est. $4,125-$6,050

$25

NY Elizabeth Beverly Hills, CA

18K Gold Green Amethyst Pendant: Title: 18K Gold Green Amethyst Pendant Description: This pendant features a meticulously set green amethyst in 18K gold, showcasing a cool white luster. Paired with an opal clasp, it boasts vibrant co

18K Gold Green Amethyst Pendant

Est. $1,000-$2,000

$600

Chairish AuctionsNew York, NY

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