Results for “Opal Jewelry”

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Second-hand - Platinum PT900 ring, set with a 14-carat black opal and a 5-carat diamond.: Platinum PT900 ring, set with a 14-carat black opal and a 5-carat diamond, size 15. Platinum PT900 ring, width ranging from 6mm to 4.1mm. Black opal stone, 27.7mm x 15.7mm, 14.05 carats. Total diamond

May 27, 2026

Second-hand - Platinum PT900 ring, set with a 14-carat black opal and a 5-carat diamond.

Est. $150,000-$300,000

$10,000

TOISHINSEI Co., Ltd.Osaka, JP

Pearl, Opal and 14K Necklace: Vintage Double Strand 6.5mm Pearl Necklace with Opal and 14 Karat Yellow Gold Clasp. Pearls with good luster and polish. Opals with good play of color. Clasp stamped 14K. Necklace measures 16" L. Appr

11 hrs Left

Pearl, Opal and 14K Necklace

Est. $800-$1,200

$400

Kodner Galleries Inc.Dania Beach, FL

Ladies 14k Opal Accented Hidden Geneva Watch: Vintage ladies 14k Opal Accented hidden wristwatch. A Real Eye Catcher !!! Striking case is embellished with (9) attractive Opals, which really "POP" out on handsome well constructed 14k yellow gold s

2 days Left

Ladies 14k Opal Accented Hidden Geneva Watch

Est. $3,500-$100,000

$1,800

Donley AuctionsUnion, IL

An Impressive Opal Cocktail Ring: 14K yellow gold and vermeil ring featuring a large oval opal cabochon with green, blue, orange, and pink play-of-color measuring 1 1/8 in. x 3/4 in. prong set in an elaborately carved fleur de lis set

1 day Left

An Impressive Opal Cocktail Ring

Est. $600-$800

$300

Alex CooperTowson, MD

18Kt Art Deco Opal-Diamond Ladies Ring: A ladies 18kt Yellow Gold Art Deco Diamond & Opal Ring. Opal stone measures: 19.64x15.06mm. Total of 6 round diamonds set on the sides. Opal hasa small chip towards the bottom. Markings( 18k 75%). Rin

May 28, 2026

18Kt Art Deco Opal-Diamond Ladies Ring

Est. $4,332-$5,459

$120

AWS AuctioneersLos Angeles, CA

Vintage 14k Yellow Gold Diamond & Opal Ring size 6: Large fiery center opal with 12 diamonds totalling approx .75 carats. Weighs 4.0 dwt (6.3 grams).

May 31, 2026

Vintage 14k Yellow Gold Diamond & Opal Ring size 6

Est. $200-$300

$70

Heritage Gallery AuctionsPatchogue, NY

Modernist 18K Yellow Gold Boulder Opal and Diamond Pendant: A modernist 18 karat yellow gold pendant featuring a 2.93 carat natural triangular boulder opal with vibrant red, orange, green, and blue play-of-color. The asymmetrical design incorporates a ribbed g

4 hrs Left

Modernist 18K Yellow Gold Boulder Opal and Diamond Pendant

Est. $10-$100,000

$370

Gallery 63Atlanta, GA

14K Yellow Gold 36.18ct Opal and 1.37ct Diamond Necklace: Retail: $42,162.00 ****** 14K Yellow Gold 36.18ct Opal and 1.37ct Diamond Necklace ****** Metal: 14K Yellow Gold / Total Item Weight: 34.7 Grams / Country Made: United States / / Main Stone: Opal / Co

1 day Left

14K Yellow Gold 36.18ct Opal and 1.37ct Diamond Necklace

Est. $40,256-$44,879

$50

Riverside GalleriesArcadia, CA

Mexican Fire Opal, Diamond, 14k Yellow Gold Ring: Mexican Fire Opal, Diamond, 14k Yellow Gold Ring Featuring a rectangular step-cut Mexican fire opal weighing approximately 19.44 cts., accented by twenty round brilliant-cut diamonds weighing a total

4 days Left

Mexican Fire Opal, Diamond, 14k Yellow Gold Ring

Est. $800-$1,200

$400

Fine Estate, Inc. San Rafael, CA

14K gold opal and diamond ring. Large oval stone measures 18.5 x 13.4mm. Flanked by 4 channels of: 14K gold opal and diamond ring. Large oval stone measures 18.5 x 13.4mm. Flanked by 4 channels of baguette diamonds. Unmarked but tests as 14K. Ring size 8.5. 10.4 grams.

May 31, 2026

14K gold opal and diamond ring. Large oval stone measures 18.5 x 13.4mm. Flanked by 4 channels of

Est. $800-$1,200

$400

Tremont AuctionsSudbury, MA

AN OPAL AND DIAMOND PENDANT: AN OPAL AND DIAMOND PENDANT Centering a pear-shaped cabochon opal, in a surround of round brilliant-cut diamonds; estimated opal weight 17.85 carats; estimated total diamond weight 2.30 carats; mounte

6 days Left

AN OPAL AND DIAMOND PENDANT

Est. $3,000-$5,000

$3,000

BonhamsLos Angeles, CA

14K White Gold, Opal and Natural Diamond Ring 1970, 7 5 g 1 PC: 14K White Gold, Opal and Natural Diamond Ring 1970, 7 5 g 1 PC Opal 10 x 8 mm. Eighteen full cut and prong set .03 natural diamonds. Provenance: Property from a prominent Bloomfield Hills, MI private

1 day Left

14K White Gold, Opal and Natural Diamond Ring 1970, 7 5 g 1 PC

Est. $400-$800

$300

DuMouchellesDetroit, MI

Antique Victorian 13k Yellow Gold Multi Gemstone 2 Row Slide Charm Bracelet: Antique Victorian 13k Yellow Gold Multi Gemstone 2 Row Slide Charm Bracelet This exquisite Antique Victorian bracelet features a stunning array of multi gemstones including natural genuine coral, jade

1 day Left

Antique Victorian 13k Yellow Gold Multi Gemstone 2 Row Slide Charm Bracelet

Est. $9,100-$11,830

$100

BidhausNew York, NY

Platinum 1.48 Ct. Black Opal & Diamond Ring: Platinum 1.48 Ct. Black Opal & Diamond Ring Item # 13781 Category Rings Platinum 1.48 Ct. Black Opal & Diamond Ring Weighing 8.0 grams Set with a 1.48 Ct. Black Opal Along with app. 1.00 Ct. of Diamon

3 days Left

Platinum 1.48 Ct. Black Opal & Diamond Ring

Est. $4,000-$6,000

$2,000

Joshua KodnerDania Beach, FL

Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds and Emeralds: Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds and Emeralds Crafted in glowing 14K yellow gold, this elegant vintage brooch features a lustrous opal center that shimmers with iridescent

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Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds and Emeralds

$9,000

Eastern European Art Gallery IncBroomall, PA

Four Rings, Platinum, 14k Yellow Gold, with Gemstones: Four rings, to include: (1) platinum, diameter, and sapphire; (3) 14k yellow gold, two with diamonds, one with opal. Approximately 2.8 grams of platinum; approximately 7.3 grams TW of 14k. Provenance:

4 days Left

Four Rings, Platinum, 14k Yellow Gold, with Gemstones

Est. $600-$800

$300

Kaminski AuctionsBeverly, MA

Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring: Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring This exquisite Antique Edwardian ring features a stunning natural black opal at its center, showcasing a mesmerizing harlequin pattern

1 day Left

Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring

Est. $16,276-$21,158

$100

BidhausNew York, NY

14K Yellow Gold 26.25ct Opal and 1.20ct Diamond Necklace: Retail: $35,762.00 ****** 14K Yellow Gold 26.25ct Opal and 1.20ct Diamond Necklace ****** Metal: 14K Yellow Gold / Total Item Weight: 29.0 Grams / Country Made: United States / / Main Stone: Opal / Co

6 days Left

14K Yellow Gold 26.25ct Opal and 1.20ct Diamond Necklace

Est. $33,269-$37,002

$50

Riverside GalleriesArcadia, CA

FEATURED

Kenneth Bitsie Navajo Sterling Multistone Inlay Necklace: Kenneth Bitsie Navajo Sterling Multistone (Turquoise, opal, charoite/sugilite?/purple spiny oyster?) Inlay Necklace | 13.6g

3 days Left

Kenneth Bitsie Navajo Sterling Multistone Inlay Necklace

Est. $150-$300

$30

Retro Roadshow AuctionsDublin, OH

DIOR: A PAIR OF 18K GOLD, BLACK OPAL AND DIAMOND EARRINGS: DIOR: A PAIR OF 18K GOLD, BLACK OPAL AND DIAMOND EARRINGS Each comprising heart-shaped black opals, in surrounds of round brilliant-cut diamonds; signed Dior; with maker's marks; with French assay mar

6 days Left

DIOR: A PAIR OF 18K GOLD, BLACK OPAL AND DIAMOND EARRINGS

Est. $2,500-$3,500

$2,400

BonhamsLos Angeles, CA

PLATINUM 5.50CT DIAMOND AND OPAL NECKLACE: This luxury necklace is filled with dynamic details. Intricate metalwork and sparkling Diamond accents totaling 5.50 carats elevate the overall design. Fiery blue Opal gemstones make it a unique acces

2 days Left

PLATINUM 5.50CT DIAMOND AND OPAL NECKLACE

Est. $8,000-$32,000

$8,000

Robinhood AuctionsLas Vegas, NV

BEES & BUTTERFLIES DIAMOND GOLD & GEMS SET OF 9 PINS 14K TWO TONE ENAMEL: BEES & BUTTERFLIES DIAMOND GOLD & GEMS SET OF 9 PINS 14K TWO TONE ENAMEL These charming bees and butterfly come in a set of 9 vintage pins and brooches featuring a mix of yellow and white 14k gold, so

1 day Left

BEES & BUTTERFLIES DIAMOND GOLD & GEMS SET OF 9 PINS 14K TWO TONE ENAMEL

Est. $9,348-$10,448

$7,600

Modern JewelryValley Village, CA

14K Australian Opal Cabochon Pendant: 14K Australian Opal Cabochon Pendant, 2.8g. Marked "14K." Opal approximately 18.0 x 13.2mm. Pendant approximately 26.5 x 13.2mm (including bale). ALL CREDIT CARDS WILL BE MANUALLY VERIFIED PRIOR TO SH

3 days Left

14K Australian Opal Cabochon Pendant

Est. $400-$600

$200

Clark's Auction CompanyScotts Valley, CA

SET OF 3: 14K GOLD OPAL PENDANT & EARRINGS: Set of 3: 14k yellow gold opal doublet and diamond pendant, measuring 1-1/4" in length, on a 24" woven 14k yellow gold chain, one 14k yellow gold spiral slide/pendant with inlaid opals and a matching

Jun 10, 2026

SET OF 3: 14K GOLD OPAL PENDANT & EARRINGS

Est. $2,000-$3,000

$1,000

Dan Morphy AuctionsDenver, PA

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