Results for “18k diamond”

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FEATURED

14 hrs Left

18K White Gold 5.50ct Oval Orange Sapphire and Diamond Ring

Est.

$4,000

$7,500

$400

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

FEATURED

7 days Left

Van Cleef & Arpels: An 18K Gold and Diamond 'Frivole Between the Fingers' Ring Featuring two

Est.

$6,000

$8,000

$4,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

FEATURED

Ends in 1d 17h

Diamonds Spring Flowers 18k Yellow Gold Cluster Ring, Size 4

Est.

$3,800

$5,850

$1,900

Boca Raton, FL

Chairish Auction House

4.1

(14)

FEATURED

7 days Left

Tiffany & Co.: An 18K Gold and Diamond Bracelet Featuring nautical style links accented by round

Est.

$12,000

$18,000

$7,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

9 hrs Left

18K GOLD VAN CLEEF & ARPELS 4CT TW DIAMOND EARRINGS W/BOX

Est.

$40,000

$60,000

$22,000

(2 bids)

Denver, PA

Dan Morphy Auctions

4.3

(1.4k)

9 hrs Left

BVLGARI SERPENTI JAEGER-LECOULTRE 18K GOLD DIAMOND BRACELET W/SECRET WATCH

Est.

$150,000

$250,000

$85,000

(2 bids)

Denver, PA

Dan Morphy Auctions

4.3

(1.4k)

2 days Left

A ROBERTO COIN 18K GOLD, DIAMOND, AND RUBY PENDANT NECKLACE,

Est.

$800

$1,200

$475

(3 bids)

Houston, TX

Simpson Galleries, LLC

4.5

(255)

5 days Left

Piaget 18K Gold Diamond Bezel Wristwatch with Original Piaget Travel Pouch

Est.

$12,000

$15,000

$5,000

Hollywood, FL

Williamson Auction Gallery

4.6

(355)

6 days Left

18K Gold 10.58 CT Emerald Diamond Cocktail Ring

Est.

$15,000

$30,000

$7,500

Sunrise, FL

Hill Auction Gallery

4.7

(1.1k)

6 days Left

Judith Ripka 18K Gold, Sapphire, and Diamond Ring

Est.

$800

$1,000

$400

Harrisburg, PA

Cordier Auctions

4.4

(1.6k)

Oct 1, 2026

Hermès 18K Gold Full Pave Diamond Kelly Chaine

Est.

$18,000

$20,000

$12,000

Dallas, TX

Heritage Auctions

4.3

(606)

2 days Left

A PAIR OF 18K GOLD ASSCHER CUT DIAMOND STUD EARRINGS,

Est.

$2,000

$4,000

$1,000

Houston, TX

Simpson Galleries, LLC

4.5

(255)

FEATURED

6 days Left

Cartier Menotte 18K Yellow Gold, Diamond, and Rhodolite Garnet Ring

Est.

$3,250

$4,500

$2,250

New York, NY

Hampton Estate Auction

4.6

(356)

FEATURED

4 days Left

Vintage Boucheron Diamond Round and Baguette 18K White Gold Earrings

Est.

$15,000

$20,000

$2,500

(2 bids)

Tokyo, Setagaya City

Victorins Auctions

4.5

(62)

FEATURED

7 days Left

Rolex: An 18K Gold and Diamond 'Oyster Perpetual Datejust' Watch Dial: 28.00 mm, round with baton

Est.

$12,000

$18,000

$7,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

FEATURED

7 days Left

Piaget: An 18K Bi-Color Gold and Diamond Watch Dial: 19.00 mm, round gold diamond with no hour

Est.

$8,000

$12,000

$6,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

9 hrs Left

PLATINUM & 18K GOLD SAPPHIRE & DIAMOND RING W/GIA REPORT

Est.

$3,000

$5,000

$1,500

(1 bid)

Denver, PA

Dan Morphy Auctions

4.3

(1.4k)

13 hrs Left

AN 18K GOLD, CULTURED PEARL, DIAMOND AND GEM-SET NECKLACE

Est.

$15,000

$20,000

$15,000

Los Angeles, CA

Bonhams

(417)

Oct 3, 2026

Masriera 18K Gold Diamond and Pearl Art Nouveau Ring

Est.

$400

$500

$300

(1 bid)

Pittsburgh, PA

Concept Art Gallery

4.7

(545)

2 days Left

Very Regal Diamond Sapphire Enamel 18K Gold Reticulated Link Bracelet 3 European Hallmarks 31.8 Tg

Est.

$6,000

$12,000

$3,000

Tampa, FL

Richard Stedman Estate Services LLC

4.5

(57)

2 days Left

AN 18K GOLD SQUARE EMERALD CUT DIAMOND RING,

Est.

$3,000

$4,000

$1,500

(1 bid)

Houston, TX

Simpson Galleries, LLC

4.5

(255)

5 days Left

Art Deco 18K Gold Pearl, Sapphire and Diamond Ring

Est.

$200

$400

$175

(4 bids)

Dania Beach, FL

Akiba Galleries

4.7

(2.1k)

13 hrs Left

AN 18K GOLD, GEM-SET AND DIAMOND NECKLACE, BRACELET AND EARRING SET

Est.

$35,000

$55,000

$35,000

Los Angeles, CA

Bonhams

(417)

2 days Left

A CHOPARD 18K GOLD, STAINLESS STEEL, AND DIAMOND RING, SWISS,

Est.

$800

$1,200

$400

(1 bid)

Houston, TX

Simpson Galleries, LLC

4.5

(255)

FEATURED

4 days Left

Tiffany & Co. One Circle Pave Diamond 18K Yellow Gold Pendant Necklace

Est.

$6,000

$9,000

$1,000

(1 bid)

Tokyo, Setagaya City

Victorins Auctions

4.5

(62)

FEATURED

4 days Left

Van Cleef & Arpels Vintage Alhambra Black Onyx Diamond 18K Rose Gold Limited Edition Earrings

Est.

$4,000

$6,000

$1,100

(2 bids)

Tokyo, Setagaya City

Victorins Auctions

4.5

(62)

FEATURED

7 days Left

Bulgari: A Pair of 18K Gold, Diamond and Sapphire Cuffs Of a high polish design, one featuring

Est.

$18,000

$25,000

$12,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

FEATURED

6 days Left

Van Cleef & Arpels Perlée 18K Rose Gold and Diamond Band Ring

Est.

$7,500

$10,000

$5,000

New York, NY

Hampton Estate Auction

4.6

(356)

2 days Left

AN 18K GOLD, PEARL, AND DIAMOND FLOWER BROOCH,

Est.

$1,000

$2,000

$500

Houston, TX

Simpson Galleries, LLC

4.5

(255)

Oct 3, 2026

18K Gold & Platinum Diamond and Emerald Barcelet

Est.

$45,000

$65,000

$22,000

Lake Worth Beach, FL

Joshua Kodner

4.1

(433)

2 days Left

AN 18K GOLD, RUBY, AND DIAMOND HEART RING,

Est.

$800

$1,200

$400

Houston, TX

Simpson Galleries, LLC

4.5

(255)

2 days Left

AN 18K GOLD, ZAMBIAN EMERALD, AND DIAMOND RING,

Est.

$4,000

$6,000

$2,000

(1 bid)

Houston, TX

Simpson Galleries, LLC

4.5

(255)

2 days Left

A LINZ 18K GOLD AND DIAMOND BROOCH AND EARRINGS SET, FRENCH, 20TH CENTURY,

Est.

$3,000

$4,000

$1,500

Houston, TX

Simpson Galleries, LLC

4.5

(255)

9 hrs Left

SCHLUMBERGER FOR TIFFANY 18K GOLD CORAL BEAD & DIAMOND NECKLACE W/EMERALDS

Est.

$10,000

$15,000

$5,000

Denver, PA

Dan Morphy Auctions

4.3

(1.4k)

Oct 3, 2026

18K Gold 5.10 Ct. Emerald and Diamond Ring

Est.

$34,000

$51,000

$17,000

Lake Worth Beach, FL

Joshua Kodner

4.1

(433)

2 days Left

AN 18K GOLD, PLATINUM, AND DIAMOND NECKLACE, LATE 20TH CENTURY,

Est.

$15,000

$20,000

$7,500

Houston, TX

Simpson Galleries, LLC

4.5

(255)

FEATURED

7 days Left

Boucheron: An 18K Gold and Colored Diamond Necklace Featuring three Cuban link chains accented by

Est.

$20,000

$30,000

$15,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

FEATURED

4 days Left

Vintage Van Cleef & Arpels 18K Gold Lapis Lazuli Diamond Anchor Pendant

Est.

$4,000

$6,500

$800

(1 bid)

Tokyo, Setagaya City

Victorins Auctions

4.5

(62)

FEATURED

7 days Left

David Webb: An 18K Gold, Lapis Lazuli and Diamond Necklace Featuring a graduated swirling link

Est.

$40,000

$60,000

$30,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

FEATURED

7 days Left

A 18K White Gold, Ruby and Diamond Ring Featuring a cushion-cut ruby weighing approximately 5.60

Est.

$28,000

$35,000

$20,000

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

View:

Results for “18k diamond”

$400

$4,000

$1,900

$1,900

$7,000

$22,000

$85,000

$475

$5,000

$7,500

$400

$12,000

$1,000

$2,250

$2,500

$7,000

$6,000

$1,500

$15,000

$300

$3,000

$1,500

$175

$35,000

$400

$1,000

$1,100

$12,000

$5,000

$500

$22,000

$400

$2,000

$1,500

$5,000

$17,000

$7,500

$15,000

$800

$30,000

$20,000

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