Results for “18k diamond”

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FEATURED

6 days Left

Authentic! Cartier Colombe Dove Of Peace 18k White Gold Diamond Necklace Paper

Chairish Auctions

Est. $78,000-$94,000

$52,000

FEATURED

1 day Left

ROLEX LADIES 18KT GOLD PRESIDENT DIAMOND BEZEL BOX

Cece's Auctions

Est. $12,000-$20,000

$9,500(2 bids)

FEATURED

3 days Left

Diamond and 18K Pendant Necklace

Kodner Galleries Inc.

Est. $10,000-$15,000

$5,000

FEATURED

6 days Left

Authentic! Cartier Diabolo Pave 15ct Diamond 18k Yellow Gold Quartz Watch 1450

Chairish Auctions

Est. $54,000-$65,000

$36,000

May 21, 2026

Cartier "Monkey" Ballon Bleu 18k Gold & Diamond Limited Edition Watch REF# HPI00410

Akiba Galleries

Est. $50,000-$60,000

$30,000(1 bid)

4 days Left

Gianmaria Buccellati 18K Gold Diamond Earrings

Auctions at Showplace

Est. $6,000-$8,000

$3,500(2 bids)

1 day Left

Vintage Rose Cut Diamond 18K Yellow Gold Choker Pendant Necklace

Dover Jewelry

Est. $80,000-$90,000

$5,500(3 bids)

4 days Left

Mario Buccellati 18K Gold Diamond Ring

Auctions at Showplace

Est. $6,000-$8,000

$4,000(1 bid)

May 21, 2026

Alex Sepkus "Crinkled Silk" 18k Gold & Diamond Flexible Bracelet

Akiba Galleries

Est. $8,000-$12,000

$4,250(2 bids)

4 days Left

Mario Buccellati 18K Gold Ruby and Diamond Ring

Auctions at Showplace

Est. $6,000-$8,000

$3,750(2 bids)

Live Now

71.71ct Yellow Diamond Jewelry Set 18k Gold EGL Certified

Mynt Auctions

Est. $317,148-$412,292

$243,000

May 21, 2026

Tiffany & Co. 18k Gold Diamond "Lock" Bangle Full Set

Akiba Galleries

Est. $20,000-$25,000

$11,000(2 bids)

FEATURED

6 days Left

Tiffany & Co Schlumberger 18k Yellow Gold Platinum Diamond 6 Row Rope X Earrings

Chairish Auctions

Est. $8,000-$10,000

$5,500

FEATURED

Ends in 2d 4h

Vintage 1950's Blue Green Enamel Diamond Flower Earrings 18K Yellow Gold 28.40 G

Chairish Auctions

Est. $11,000-$13,000

$4,200

FEATURED

5 hrs Left

PAIR OF 18K YELLOW GOLD, DIAMOND, & CULTURED PEARL CLUSTER EARRING

SJ Auctioneers

Est. $4,200-$5,000

$2,750

FEATURED

Ends in 3d 8h

Vintage 18k OMEGA CONSTELLATION Automatic Watch Cal 561 with Diamonds* EXLNT

Chairish Auctions

Est. $7,000-$8,000

$2,800

May 21, 2026

Rare Cartier 18k Gold Diamond & Ruby Ladies Watch REF 1801

Akiba Galleries

Est. $20,000-$25,000

$15,000

May 21, 2026

Cartier Tortue "Secret" 18k Gold Diamond & Morganite Turtle Watch REF# 3582A

Akiba Galleries

Est. $50,000-$60,000

$18,000

May 21, 2026

Van Cleef & Arpels Gardenia 18k Gold Diamond & Cultured Pearl Convertible Necklace

Akiba Galleries

Est. $40,000-$60,000

$30,000

6 days Left

Rolex Lady-Datejust Ref. 69178 18K Gold Wristwatch with Ruby and Diamond Bezel

Cardenas Auctions

Est. $4,000-$7,000

$1,300(8 bids)

6 days Left

18K Gold & Platinum Top 34.55 Ct. Diamond Necklace

Joshua Kodner

Est. $148,000-$222,000

$74,000

May 21, 2026

Rolex GMT-Master II 18k Gold Diamond & Black Onyx Watch REF# 116759SANR

Akiba Galleries

Est. $30,000-$35,000

$20,000

May 21, 2026

Cartier Juste un Clou 18k Gold & Diamond Necklace Full Set

Akiba Galleries

Est. $10,000-$12,000

$5,000(1 bid)

3 days Left

18k Gold Pomellato "Ming" Diamond Pendent Necklace

Hill Auction Gallery

Est. $1,000-$10,000

$1,600(5 bids)

FEATURED

6 days Left

Authentic! Van Cleef & Arpels Folie des Pres 18k Gold Diamond Sapphire Earrings

Chairish Auctions

Est. $90,000-$108,000

$60,000

FEATURED

6 days Left

Authentic Bulgari Bvlgari Serpenti 18k Rose Gold Pave Diamond Rubellite Necklace

Chairish Auctions

Est. $39,000-$47,000

$26,000

FEATURED

6 hrs Left

PATEK PHILIPPE. AN EXTREMELY RARE AND STRIKINGLY ATTRACTIVE 18K PINK GOLD AND DIAMOND-SET AUTOMATIC

Christie's

Est. CHF 250,000-CHF 450,000

Preview Only

FEATURED

6 days Left

RARE! AUTHENTIC CHANEL 18K YELLOW GOLD DIAMOND BRACELET PAPERS

Chairish Auctions

Est. $23,000-$28,000

$15,000

2 days Left

Retro 18k Gold & Diamond Dome Ring

Akiba Galleries

Est. $1,000-$1,500

$500(1 bid)

May 21, 2026

Seaman Schepps 18k Gold Sapphire Pearl & Diamond 7-Strand Necklace

Akiba Galleries

Est. $15,000-$20,000

$10,000(1 bid)

May 21, 2026

Chanel Camelia Collection 18k Gold & Diamond Large Flower Ring

Akiba Galleries

Est. $10,000-$15,000

$5,000(1 bid)

May 21, 2026

Tiffany & Co. "HardWear" 18k Gold & Diamond Drop Earrings

Akiba Galleries

Est. $8,000-$12,000

$4,000(1 bid)

May 21, 2026

Vintage David Webb 18k Gold Diamond Ruby & Enamel Horse Bracelet

Akiba Galleries

Est. $10,000-$20,000

$5,500(2 bids)

May 21, 2026

Piaget 18k Gold Jade Diamond & Emerald Watch

Akiba Galleries

Est. $10,000-$15,000

$7,000(3 bids)

May 21, 2026

Elsa Peretti for Tiffany & Co. 18k Gold & Diamond "Diamonds by the Yard" Necklace

Akiba Galleries

Est. $3,000-$5,000

$1,700(2 bids)

FEATURED

3 days Left

Burma Ruby, Diamond and 18K Bracelet

Kodner Galleries Inc.

Est. $40,000-$60,000

$20,000

FEATURED

1 day Left

Vacheron Constantin Ref. 7391 0 Vintage Onyx Diamond Dial 18K Gold Mens Watch 81.3 Grams

Dover Jewelry

Est. $23,000-$25,000

$7,500(5 bids)

FEATURED

Ends in 2d 5h

18K Gold PLATINUM DIAMOND THREE STONE RING C.1970 VINTAGE STUNNING

Chairish Auctions

Est. $4,000-$5,000

$1,700

FEATURED

Ends in 2d 3h

Vintage Green Cabochon Emerald Diamond Bangle Bracelet 18K Yellow Gold, 65 Grams

Chairish Auctions

Est. $26,000-$31,000

$10,000

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