Results for “18k diamond”

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FEATURED

Ends in 15h 57m

Fern Floral Puff Cluster Diamond Clip Earrings 14kt**

Est.

$3,500

$4,000

$1,300

Chairish AuctionsNew York, NY

FEATURED

Ends in 12h 48m

18K Gold Natural Tourmaline Set

Est.

$3,000

$4,000

$2,200

Chairish AuctionsNew York, NY

FEATURED

Ends in 12h 58m

18K Gold Natural Sapphire Ring

Est.

$2,000

$3,000

$1,200

Chairish AuctionsNew York, NY

FEATURED

Ends in 12h 47m

18K Gold Natural Tourmaline Pendant

Est.

$2,000

$3,000

$1,200

Chairish AuctionsNew York, NY

Jun 10, 2026

18K GOLD 5CT COLOMBIAN EMERALD & DIAMOND RING

Est.

$10,000

$15,000

$5,000

Dan Morphy AuctionsDenver, PA

Jun 11, 2026

GIA 20ctw Fancy Light Yellow Briolette Diamond 11-14mm Cultured South Sea Pearl 18k Gold Designer

Est.

$10,000

$15,000

$275

(2 bids)

Hess Fine AuctionsSt Petersburg, FL

6 days Left

An 18K Gold, Platinum and Diamond Ring

Est.

$700

$900

$350

(1 bid)

John Moran Auctioneers, Inc.Monrovia, CA

6 days Left

An 18K Gold, Diamond and Ruby Ring

Est.

$1,200

$1,800

$600

John Moran Auctioneers, Inc.Monrovia, CA

Jun 10, 2026

PLATINUM & 18K GOLD 7CT DIAMOND RING W/GIA REPORT

Est.

$50,000

$80,000

$26,000

Dan Morphy AuctionsDenver, PA

Jun 16, 2026

Designer Sterling Silver, 18K Gold & Diamond Filigree Link Bracelet ? Wide Statement Bracelet

Est.

$1,000

$2,000

$9

(1 bid)

Rare TreasuresHarrisburg, PA

Jun 28, 2026

Tiffany Co 18k Yellow Gold Elsa Peretti Diamond by the Yard Necklace 16" With Pouch

Est.

$850

$900

$600

SJ AuctioneersBrooklyn, NY

Jun 11, 2026

2003 Tiffany & Co Atlas Diamond Wide Band Ring 18k Gold

Est.

$1,500

$2,000

$150

(4 bids)

Hess Fine AuctionsSt Petersburg, FL

FEATURED

Ends in 12h 54m

18K Gold Natural Ruby Earrings

Est.

$2,500

$3,000

$1,500

Chairish AuctionsNew York, NY

FEATURED

Ends in 12h 49m

18K Gold Natural Tourmaline Set

Est.

$3,000

$4,000

$2,000

Chairish AuctionsNew York, NY

FEATURED

Ends in 13h 21m

18K Gold Natural Unheated Ruby Ring

Est.

$7,000

$9,000

$6,000

Chairish AuctionsNew York, NY

FEATURED

Ends in 10h 59m

18k Rose Gold plated Gemstone Amethyst inlaid Moissanite Pendant Necklace

Est.

$100

$120

$40

Chairish AuctionsNew York, NY

6 days Left

Gallen Benson: An 18K Gold and Diamond Brooch

Est.

$700

$900

$400

(2 bids)

John Moran Auctioneers, Inc.Monrovia, CA

Jun 28, 2026

PR 18K GOLD PEAR-SHAPED DIAMOND STUD EARRINGS

Est.

$1,200

$1,800

$600

(1 bid)

Thomaston Place Auction GalleriesThomaston, ME

6 days Left

An 18K Gold, Diamond and Ruby Flag Pin

Est.

$300

$500

$150

(1 bid)

John Moran Auctioneers, Inc.Monrovia, CA

6 days Left

An 18K Gold, Sapphire and Diamond Ring

Est.

$2,000

$2,500

$1,000

John Moran Auctioneers, Inc.Monrovia, CA

2 hrs Left

18K Gold Diamond and Emerald Ring

Est.

£24,000

£48,000

£12,000

Hans AuctionSouth Croydon, Croydon

Jun 11, 2026

Amazing 12-14mm Cultured Golden South Sea Pearl Strand 18k Gold Diamond Clasp Necklace

Est.

$2,500

$3,500

$275

(2 bids)

Hess Fine AuctionsSt Petersburg, FL

Jun 10, 2026

18K GOLD DIAMOND ENGAGEMENT RING W/REPORT

Est.

$6,000

$9,000

$3,000

Dan Morphy AuctionsDenver, PA

Jun 10, 2026

CHANEL 18K GOLD EMERALD & DIAMOND RING

Est.

$5,000

$8,000

$2,600

(1 bid)

Dan Morphy AuctionsDenver, PA

FEATURED

Ends in 15h 44m

.90ct Natural Diamonds Dangle Hearts & Spiral Statement Necklace 18kt Gold**

Est.

$3,000

$3,500

$1,100

Chairish AuctionsNew York, NY

FEATURED

Ends in 12h 57m

18K Gold Natural Sapphire Ring

Est.

$2,000

$3,000

$1,100

Chairish AuctionsNew York, NY

FEATURED

Ends in 4d 12h

Pair of Bucherer Gold Diamond Topaz Peridot Drop Earrings

Est.

$6,250

$18,750

$2,600

Chairish AuctionsNew York, NY

Jun 28, 2026

LADY'S BREITLING CALLISTINO 18K GOLD AND DIAMOND WRISTWATCH

Est.

$4,000

$6,000

$2,000

(1 bid)

Thomaston Place Auction GalleriesThomaston, ME

Jun 11, 2026

Tiffany & Co 2.44ct Natural Burma Sapphire 0.66ctw Diamond 18k Gold Halo Ring w/ Papers

Est.

$6,000

$10,000

$5,000

(6 bids)

Hess Fine AuctionsSt Petersburg, FL

6 days Left

An 18K Gold, Ruby and Diamond Ring and Earring Set

Est.

$1,000

$1,500

$500

(1 bid)

John Moran Auctioneers, Inc.Monrovia, CA

Jun 28, 2026

GILBERT ALBERT 18K GOLD DIAMOND AND BAROQUE PEARL NECKLACE

Est.

$1,500

$1,800

$750

Thomaston Place Auction GalleriesThomaston, ME

Jun 10, 2026

GEORG JENSEN 18K GOLD MAGIC DIAMOND RING WITH ORIGINAL JACKET

Est.

$2,000

$3,000

$1,000

Dan Morphy AuctionsDenver, PA

Jun 11, 2026

Cartier. A mid-size recently serviced fine and rare 18K gold diamond set manual wind wristwatch ...

Est.

£15,000

£20,000

£15,000

BonhamsLondon, GB

2 days Left

EDWARDIAN 18K GOLD DIAMOND AND EMERALD RING, 1901-1910.

Est.

$25,000

$35,000

$500

Yakon AuctionsGermantown, MD

Jun 28, 2026

VINTAGE 18K GOLD AND PLATINUM THREE-STONE DIAMOND RING

Est.

$800

$1,200

$250

(1 bid)

Thomaston Place Auction GalleriesThomaston, ME

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$275

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