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Cocktail Ring in 18k White Gold with Cabochon Opal and Diamond Leaf Motif: Cocktail Ring in 18k White Gold with Cabochon Opal and Diamond Leaf Motif This exquisite cocktail ring features a natural white opal in an oval cabochon cut, accented by sixteen round brilliant cut na

2026

Cocktail Ring in 18k White Gold with Cabochon Opal and Diamond Leaf Motif

Vintage Tiffany & Co. 18k Gold Ruby Diamond Cluster Earrings: Vintage Tiffany & Co. 18k Gold Ruby Diamond Cluster Earrings These exquisite Vintage Tiffany & Co. earrings, dating back to the 1960s, feature a stunning cluster design. Crafted from 18k solid yellow

2 days Left

Vintage Tiffany & Co. 18k Gold Ruby Diamond Cluster Earrings

Est. $6,721-$8,737

1960s Burma Ruby Diamond Ring 18K Gold Platinum by Oscar Heyman: 1960s Burma Ruby Diamond Ring 18K Gold Platinum by Oscar Heyman This Oscar Heyman ring from the 1960s is crafted in 18K yellow gold and platinum. The design is set with seven Burma rubies totaling app

2 days Left

1960s Burma Ruby Diamond Ring 18K Gold Platinum by Oscar Heyman

Est. $23,075-$29,997

39.07ct Diamond Tennis Necklace 18k White Gold 31in: 39.07ct Diamond Tennis Necklace 18k White Gold 31in This exquisite diamond tennis necklace features a stunning total of 39.07 carats of round brilliant diamonds, elegantly set in luxurious 18 karat wh

3 days Left

39.07ct Diamond Tennis Necklace 18k White Gold 31in

Est. $68,822-$89,468

An Exquisite 18k Gold Diamond Inlaid Jadeite Pendant: An Exquisite 18k Gold Diamond Inlaid Jadeite Pendant,Size(Loose Stone):1.3inx0.7inx0.2in 18k金钻镶嵌翡翠吊坠

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An Exquisite 18k Gold Diamond Inlaid Jadeite Pendant

harbor auction inc

Est. $10,000-$20,000

1.68 Carat GIA Cushion Cut Diamond Halo Engagement Ring in 18K White Gold: 1.68 Carat GIA Cushion Cut Diamond Halo Engagement Ring in 18K White Gold This exquisite engagement ring features a stunning 1.68 carat cushion cut diamond with a colorless grade of F and VS1 clarity,

2026

1.68 Carat GIA Cushion Cut Diamond Halo Engagement Ring in 18K White Gold

17.10ct Emerald Cut Diamond Tennis Bracelet 18k White Gold: 17.10ct Emerald Cut Diamond Tennis Bracelet 18k White Gold This exquisite tennis bracelet features a stunning array of 52 emerald cut diamonds totaling 17.10 carats, set in luxurious 18k white gold. T

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17.10ct Emerald Cut Diamond Tennis Bracelet 18k White Gold

Est. $60,021-$78,027

Diamond and 18K Bracelet: Vintage Approx. .45 Carat TW Baguette and Round Brilliant Cut Diamond and 18 Karat Yellow Gold Link Bracelet. Diamonds G-H color, VS-SI clarity. Stamped 18K to clasp. Measures 8-1/4" L. Approx. weight

23 hrs Left

Diamond and 18K Bracelet

Kodner Galleries Inc.

Est. $1,500-$2,000

GIA 6.40ct Yellow YZ Diamond Ring 18k Gold Cocktail Ring: GIA 6.40ct Yellow YZ Diamond Ring 18k Gold Cocktail Ring Stunning GIA certified 6.40ct Yellow YZ Diamond Cocktail Ring crafted in a luxurious combination of 18k white and yellow gold. This modern ring

3 days Left

GIA 6.40ct Yellow YZ Diamond Ring 18k Gold Cocktail Ring

Est. $31,239-$40,610

Stunning 82ct Diamond Necklace in 18K White Gold Contemporary Design: Stunning 82ct Diamond Necklace in 18K White Gold Contemporary Design This stunning contemporary necklace showcases approximately 82 carats of exquisite diamonds, featuring a captivating mix of marquis

3 days Left

Stunning 82ct Diamond Necklace in 18K White Gold Contemporary Design

Est. $134,355-$174,661

David Webb Platinum 18K Yellow Gold Turquoise Emerald Diamond Clip Earrings: David Webb Platinum 18K Yellow Gold Turquoise Emerald Diamond Clip Earrings These exquisite clip earrings by David Webb feature a stunning combination of platinum and 18K yellow gold. Adorned with vib

2 days Left

David Webb Platinum 18K Yellow Gold Turquoise Emerald Diamond Clip Earrings

Est. $44,265-$57,544

GIA 6.39 Ct Fancy Diamond Ring 18K White Yellow Gold: GIA 6.39 Ct Fancy Diamond Ring 18K White Yellow Gold This stunning ring features a captivating GIA Certified 6.39 Ct. Round Brilliant Diamond, exhibiting a unique Fancy Brownish Greenish Yellow color

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GIA 6.39 Ct Fancy Diamond Ring 18K White Yellow Gold

Est. $60,567-$78,737

Buccellati Diamond Chandelier Drop Earrings in 18K White Gold: Buccellati Diamond Chandelier Drop Earrings in 18K White Gold Buccellati chandelier drop earrings crafted in 18K white gold, featuring round brilliant-cut and trilliant-cut diamonds with a total appro

4 days Left

Buccellati Diamond Chandelier Drop Earrings in 18K White Gold

Est. $43,511-$56,564

35 Ct Diamond Flower Brooch in 18k White Gold: 35 Ct Diamond Flower Brooch in 18k White Gold This exquisite diamond flower brooch features approximately 35.00 carats of dazzling diamonds, showcasing F-G color and VVS-VS clarity. Crafted from luxur

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35 Ct Diamond Flower Brooch in 18k White Gold

Est. $33,397-$43,416

GIA 4.23 Carat Radiant 3-Stone Diamond Ring in 18K White Gold: GIA 4.23 Carat Radiant 3-Stone Diamond Ring in 18K White Gold This 18K white gold ring features a GIA certified 4.23 carat radiant diamond as the centerpiece, graded W-X color and VS2 clarity (GIA #22

3 days Left

GIA 4.23 Carat Radiant 3-Stone Diamond Ring in 18K White Gold

Est. $39,377-$51,190

18K White Gold Diamond Pave Cuff Bracelet 85 Carats: 18K White Gold Diamond Pave Cuff Bracelet 85 Carats This stunning cuff bracelet is crafted from luxurious 18K white gold and adorned with an impressive 85 carats of round cut diamonds, creating a bril

2 days Left

18K White Gold Diamond Pave Cuff Bracelet 85 Carats

Est. $102,011-$132,614

David Webb 1980s Platinum 18K Yellow Gold Ram Diamond Brooch: David Webb 1980s Platinum 18K Yellow Gold Ram Diamond Brooch Introducing a stunning brooch from David Webb's "Kingdom Collection," featuring an intricately designed Ram's Head. This exquisite piece is

2 days Left

David Webb 1980s Platinum 18K Yellow Gold Ram Diamond Brooch

Est. $19,812-$25,756

David Webb 1960s Platinum 18K Gold Diamond Openwork Bracelet 8 Cts: David Webb 1960s Platinum 18K Gold Diamond Openwork Bracelet 8 Cts This exquisite David Webb bracelet, a stunning example of 1960's craftsmanship, is designed in a combination of platinum and 18K yell

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David Webb 1960s Platinum 18K Gold Diamond Openwork Bracelet 8 Cts

Est. $34,086-$44,312

7.98ct GIA Emerald Diamond Ring 18k Gold: 7.98ct GIA Emerald Diamond Ring 18k Gold This exquisite ring features a stunning 7.98 ct Brazilian emerald, showcasing an electric green hue, beautifully complemented by a halo of 113 round brilliant

3 days Left

7.98ct GIA Emerald Diamond Ring 18k Gold

Est. $13,156-$17,102

31 South Sea Pearl Strand with 18K White Gold Diamond Clasp 18 Inch: 31 South Sea Pearl Strand with 18K White Gold Diamond Clasp 18 Inch This necklace features graduated South Sea pearls, each measuring between 15.2 mm and 12.0 mm, strung on 18K white gold. The clasp i

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31 South Sea Pearl Strand with 18K White Gold Diamond Clasp 18 Inch

Est. $10,166-$13,215

David Webb 18K Yellow Gold Diamond Aquamarine Clip-On Earrings: David Webb 18K Yellow Gold Diamond Aquamarine Clip-On Earrings These stunning David Webb earrings feature a captivating square shape crafted from luxurious 18K yellow gold. Adorned with an impressive

2 days Left

David Webb 18K Yellow Gold Diamond Aquamarine Clip-On Earrings

Est. $49,699-$64,609

David Yurman 18K Yellow Gold Heart Diamond Pendant 1.15 ct: David Yurman 18K Yellow Gold Heart Diamond Pendant 1.15 ct This exquisite David Yurman pendant is crafted from 18K yellow gold and adorned with stunning diamonds. Featuring a heart-shaped main stone,

11 hrs Left

David Yurman 18K Yellow Gold Heart Diamond Pendant 1.15 ct

Est. $5,330-$6,929

Stunning Platinum & 18K White Gold Colombian Emerald Diamond Ring 6.28 Ct: Stunning Platinum & 18K White Gold Colombian Emerald Diamond Ring 6.28 Ct This stunning ring features a breathtaking 6.28 Ct. Colombian emerald, elegantly set in a blend of platinum and 18K white gold

3 days Left

Stunning Platinum & 18K White Gold Colombian Emerald Diamond Ring 6.28 Ct

Est. $16,276-$21,158

11.03ct Diamond Tennis Bracelet 18K White Gold: 11.03ct Diamond Tennis Bracelet 18K White Gold This exquisite 11.03 ct diamond tennis bracelet is crafted from 18-karat white gold, showcasing 45 round brilliant diamonds. The diamonds are approximate

1 day Left

11.03ct Diamond Tennis Bracelet 18K White Gold

Est. $33,124-$43,061

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