Results for “18k diamond”

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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

5.74ct Emerald GIA Diamond 3-Stone Ring 18k White Gold: 5.74ct Emerald GIA Diamond 3-Stone Ring 18k White Gold This exquisite three-stone ring features a stunning GIA certified 5.74 carat emerald and two GIA certified emerald cut diamonds. The centerpiece

2 days Left

5.74ct Emerald GIA Diamond 3-Stone Ring 18k White Gold

Est. $31,291-$40,678

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

GIA Certified 1.51ct Round Diamond Engagement Ring in 18K Gold & Platinum: GIA Certified 1.51ct Round Diamond Engagement Ring in 18K Gold & Platinum This exquisite engagement ring showcases a stunning GIA certified 1.51ct round brilliant cut diamond, elegantly set in a combi

9 hrs Left

GIA Certified 1.51ct Round Diamond Engagement Ring in 18K Gold & Platinum

Est. $19,136-$24,876

4.63ct F VS Oval Diamond Eternity Band 18k White Gold: 4.63ct F VS Oval Diamond Eternity Band 18k White Gold This exquisite oval cut diamond eternity band features 19 stunning oval cut diamonds totaling 4.63 carats, showcasing a beautiful F color and VS c

1 day Left

4.63ct F VS Oval Diamond Eternity Band 18k White Gold

Est. $15,873-$20,634

GIA Certified 3.90 Ct Fancy Yellow Diamond Ring in Platinum & 18K Gold: GIA Certified 3.90 Ct Fancy Yellow Diamond Ring in Platinum & 18K Gold This exquisite ring features a stunning GIA Certified 3.90 Ct. fancy yellow diamond, elegantly set in a combination of platinum a

3 days Left

GIA Certified 3.90 Ct Fancy Yellow Diamond Ring in Platinum & 18K Gold

Est. $52,416-$68,140

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

9 hrs Left

17.10ct Emerald Cut Diamond Tennis Bracelet 18k White Gold

Est. $60,021-$78,027

18K Yellow Gold GIA Certified Diamond Ruby Necklace 40 Ct Diamonds 20.5 Ct Rubies: 18K Yellow Gold GIA Certified Diamond Ruby Necklace 40 Ct Diamonds 20.5 Ct Rubies Discover the elegance of this stunning 18K Yellow Gold necklace, beautifully adorned with approximately 40.00 Ct. of b

1 day Left

18K Yellow Gold GIA Certified Diamond Ruby Necklace 40 Ct Diamonds 20.5 Ct Rubies

Est. $59,891-$77,858

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

Cartier Trinity 18K Two Tone Diamond Bangle Bracelet 100th Anniversary: Cartier Trinity 18K Two Tone Diamond Bangle Bracelet 100th Anniversary This exquisite Cartier Trinity bangle bracelet is crafted from 18K two-tone gold and features a stunning tri-color design. Celebr

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Cartier Trinity 18K Two Tone Diamond Bangle Bracelet 100th Anniversary

Est. $67,366-$87,576

18K Yellow Gold Cartier Deux Tetes Croisees Diamond Estate Ring Size 6.25: 18K Yellow Gold Cartier Deux Tetes Croisees Diamond Estate Ring Size 6.25 This estate Cartier Deux Tetes Croisees ring is crafted from 18K yellow gold and showcases a unique bypass design. The ring fe

2 days Left

18K Yellow Gold Cartier Deux Tetes Croisees Diamond Estate Ring Size 6.25

Est. $44,954-$58,440

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

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

18k Men's Invisible Set Diamond Ring 18.95g: 18k Men's invisible set diamond ring. Ring features three rows of invisible set princess cut diamonds. 83 Diamonds total. Approximately 18.95g TW and size 9. Photos are considered part of the conditio

4 days Left

18k Men's Invisible Set Diamond Ring 18.95g

Berner's Auction

Est. $4,000-$5,500

18k gold diamond bracelet: 18k gold diamond bracelet, cultivated diamond bubble and diamond bracelet paired with a pearl chain, a practical item that can be worn all year round.

Apr 10, 2026

18k gold diamond bracelet

TOISHINSEI Co., Ltd.

Est. $3,500-$7,000

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

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

9.09ct Diamond Tennis Necklace 18k White Gold: 9.09ct Diamond Tennis Necklace 18k White Gold Exquisite 9.09ct Diamond Tennis Necklace crafted from 18k white gold, featuring a timeless design that adds elegance to any attire. This stunning piece sh

2026

9.09ct Diamond Tennis Necklace 18k White Gold

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

Estate 18k Yellow Gold Jade Diamond Floral Wide Bangle Bracelet: Estate 18k Yellow Gold Jade Diamond Floral Wide Bangle Bracelet Introducing a stunning Estate Jade Diamond Bangle Bracelet, meticulously crafted from 18k yellow gold. This exquisite piece features a w

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Estate 18k Yellow Gold Jade Diamond Floral Wide Bangle Bracelet

Est. $9,256-$12,032

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

9 hrs Left

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

Est. $34,086-$44,312

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

21 hrs Left

Diamond and 18K Bracelet

Kodner Galleries Inc.

Est. $1,500-$2,000

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

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