Results for “18k diamond”

Moira 18k Gold Plique-a-Jour Enamel Diamond & Ruby Bee Brooch

Victorins AuctionsTokyo, Setagaya City

Jul 02, 2026

Est.

$6,000

$8,000

$3,000

Akiba GalleriesDania Beach, FL

Aug 01, 2026

Ladies 18K Gold & Diamond Set Patek Phillipe Wrist Watch, Model 4503

Est.

$6,400

$6,800

$3,200

Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN

3 days Left

ART DECO 18K GOLD, DIAMOND AND EMERALD BOW BROOCH

Est.

$1,000

$1,500

$500

Rare 1960s 18k Gold H Stern Israeli Made Fine Diamond Sapphire Curb Link 16 Inch Necklace

Thomaston Place Auction GalleriesThomaston, ME

Jul 23, 2026

Est.

$15,000

$20,000

$10

Important Van Cleef Arpels 18k Gold Platinum Lion Bracelet Fine Ruby Eye Fine Diamond Fangs

Hess Fine AuctionsSt Petersburg, FL

Jul 23, 2026

Est.

$15,000

$25,000

$20

BVLGARI "Serpenti Seduttori" 18k Gold Diamond & Sapphire Necklace

Hess Fine AuctionsSt Petersburg, FL

Jul 02, 2026

Est.

$15,000

$20,000

$10,000

Van Cleef "Sweet Alhambra" 18k Gold & Diamond Bracelet

Akiba GalleriesDania Beach, FL

Jul 02, 2026

Est.

$6,000

$8,000

$3,000

18K Gold Emerald & Diamond 3-Stone Ring

Akiba GalleriesDania Beach, FL

Aug 01, 2026

Est.

$1,100

$1,200

$550

Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN

FEATURED

4 days Left

Tiffany & Co. Schlumberger Bird on a Rock Citrine Diamond Platinum & 18K Gold Brooch with GIA

Est.

$20,000

$35,000

$20,000

(4 bids)

Victorins AuctionsTokyo, Setagaya City

FEATURED

4 days Left

Audemars Piguet Cobra 18K White Gold Black Diamond Dial

Est.

$17,400

$18,900

$300

(5 bids)

Serenity GallerieSaint Petersburg, FL

FEATURED

4 days Left

Cartier Panthere Pave Diamond 18K Yellow Gold Bangle Bracelet

Est.

$10,000

$15,000

$2,500

Cartier Santos-Dumont 18K White Gold Watch

Victorins AuctionsTokyo, Setagaya City

FEATURED

4 days Left

Est.

$10,800

$21,600

$5,500

Cartier Love 18k Gold & Diamond Bracelet. Size 17

Victorins AuctionsFredericksburg, VA

Jul 02, 2026

Est.

$5,000

$8,000

$4,000

GILBERT ALBERT 18K GOLD DIAMOND AND BAROQUE PEARL NECKLACE

Akiba GalleriesDania Beach, FL

3 days Left

Est.

$1,500

$1,800

$750

Thomaston Place Auction GalleriesThomaston, ME

Jul 23, 2026

Stunning 4.26ctw GIA Natural Fancy Colored Diamond 18k Gold Eternity Band Ring

Est.

$5,000

$7,000

$10

Hess Fine AuctionsSt Petersburg, FL

Jul 02, 2026

18k Gold & Diamond Link Ring Signed

Est.

$400

$800

$225

Roberto Coin Venetian Princess Carnival 18k Gold Diamond & Multi-Gemstone Bracelet

Akiba GalleriesDania Beach, FL

Jul 02, 2026

Est.

$5,000

$7,000

$3,000

18k Gold Diamond & Sapphire Bee Brooch

Akiba GalleriesDania Beach, FL

Jul 02, 2026

Est.

$2,000

$4,000

$1,000

Heavy 18k Gold 2.08ctw Natural Ruby Diamond Sapphire Nick The Greek Coin Motif Pendant w Orig Papers

Akiba GalleriesDania Beach, FL

Jul 23, 2026

Est.

$3,000

$4,000

$10

Hess Fine AuctionsSt Petersburg, FL

Jul 02, 2026

David Yurman 18k Gold Diamond & Topaz Cocktail Ring

Est.

$800

$1,200

$500

18K Art Deco Style Diamond & Sapphire Ring

Akiba GalleriesDania Beach, FL

FEATURED

2 days Left

Est.

$2,000

$3,000

$1,000

Orion AntiquesPompano Beach, FL

FEATURED

4 days Left

Bulgari Bvlgari Serpenti Blue Sapphire & Diamond Pave Viper Snake Head 18K White Gold Pendant

Est.

$20,000

$40,000

$5,000

Audemars Piguet Vintage Cobra 14126.791 18k Yellow Gold Champagne Diamond Dial

Victorins AuctionsFredericksburg, VA

FEATURED

4 days Left

Est.

$22,200

$24,100

$25

Serenity GallerieSaint Petersburg, FL

FEATURED

6 days Left

VINTAGE 18K GOLD BASKETWEAVE SAPPH. & DIAMOND RING.

Est.

$1,500

$2,500

$750

William Smith AuctionsPlainfield , NH

Jul 02, 2026

18k Gold White Jade & Diamond Link Bracelet

Est.

$3,000

$4,000

$2,000

18k Gold & Diamond Lattice Hinged Bangle Bracelet

Akiba GalleriesDania Beach, FL

Jul 02, 2026

Est.

$4,000

$6,000

$2,500

Modernist 0.60ctw Diamond, Onyx and 18K Gold Ring

Akiba GalleriesDania Beach, FL

3 days Left

Est.

$6,250

$6,750

$260

GWS Auctions Inc.Maitland, FL

3 days Left

LADY'S BREITLING CALLISTINO 18K GOLD AND DIAMOND WRISTWATCH

Est.

$4,000

$6,000

$2,000

Piaget Factory 1.00ct Diamond 18K Yellow Gold 25mm 15706D2 Wristwatch

Thomaston Place Auction GalleriesThomaston, ME

5 days Left

Est.

$10,000

$12,000

$2,750

(4 bids)

Dover JewelryMiami, FL

11 hrs Left

Van Cleef & Arpels 18k Gold, Diamond and Ruby Floral Brooch

Est.

$4,000

$6,000

$2,200