Results for “18k diamond”

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FEATURED

Ends in 3d 2h

18K Gold Natural Cultivated Diamond Ring

Est.

$2,000

$3,000

$1,600

Jasper52New York, NY

FEATURED

Ends in 2d 1h

Vintage Asprey & Co. Emerald NECKLACE 18k Gold Diamond Estate Jewelry

Est.

$59,000

$71,000

$24,000

Jasper52New York, NY

FEATURED

Ends in 3d 0h

18K Natural Ruby Earrings

Est.

$2,000

$3,000

$1,200

Jasper52New York, NY

FEATURED

Ends in 3d 0h

18K Natural Unheated Pigeon Blood Ruby Earrings

Est.

$25,000

$40,000

$15,000

Jasper52New York, NY

12 hrs Left

8.21ct Diamond Cuban Link Necklace 18k Gold with GIA Appraisal

Est.

$26,468

$34,408

$100

Mynt AuctionsNew York, NY

5 days Left

A diamond, sapphire, and 18k gold ring

Est.

$2,500

$3,500

$1,200

Clars AuctionsOakland, CA

Aug 17, 2026

Seidengang Diamond & Gems Necklace 18k Gold Pegasus Pendant Triple Chain

Est.

$24,030

$27,235

$3,000

Platinum Auction GroupBoca Raton, FL

12 hrs Left

GIA Certified 4.45ct Fancy Yellow Radiant Diamond Drop Earrings in 18k Gold

Est.

$78,364

$101,873

$100

Mynt AuctionsNew York, NY

Aug 30, 2026

18K GOLD AND DIAMOND BROOCH

Est.

$1,500

$1,800

$750

Thomaston Place Auction GalleriesThomaston, ME

Sep 17, 2026

Rare Stunning Unheated Kashmir Sapphire Diamond 18k Gold GIA Certified

Est.

$2,000

$2,500

$150

(3 bids)

Hess Fine AuctionsSt Petersburg, FL

Aug 26, 2026

Tiffany & Co 18K Gold & Diamond "Key" Pendant

Est.

$800

$1,600

$400

World Auction Gallery LLCEast Meadow, NY

Sep 17, 2026

Mid Victorian 18k Gold Stomacher Black Enamel Old Euro Mine Cut 4.8ctw Diamond Pendant Brooch

Est.

$8,000

$10,000

$10

Hess Fine AuctionsSt Petersburg, FL

FEATURED

6 days Left

RARE! AUTHENTIC CHANEL 18K YELLOW GOLD DIAMOND BRACELET PAPERS

Est.

$23,000

$28,000

$15,000

Jasper52New York, NY

FEATURED

6 days Left

Authentic! Cartier Love 18k White Gold 10 Diamond Bangle Bracelet Sz 18 + Cert

Est.

$21,000

$25,000

$14,000

Jasper52New York, NY

FEATURED

5 days Left

Authentic! H. Stern 18k Tricolor Gold Stacked Band Ring sz 6

Est.

$3,000

$3,500

$1,800

Jasper52New York, NY

FEATURED

Ends in 3d 0h

GIA NATURAL 2.30CT FANCY YELLOW BROWN DIAMONDS RING 18KT EDWARDIAN CROWN DECO

Est.

$7,000

$8,000

$2,600

Jasper52New York, NY

Aug 17, 2026

Sunburst Graduated Link Necklace Estate Diamond Gems 18k Gold

Est.

$25,195

$28,550

$3,250

Platinum Auction GroupBoca Raton, FL

5 days Left

Italian 18K Yellow Gold Guilloche Enamel KOI Fish Brooch W/ Pave' Diamonds & Ruby

Est.

$22,000

$23,275

$100

(1 bid)

1111 Jewelry Store, LLCOwens Cross Roads, AL

5 days Left

A diamond and 18k gold bracelet

Est.

$4,000

$6,000

$2,000

Clars AuctionsOakland, CA

12 hrs Left

4.18ct EGL Certified Yellow Diamond Dangle Earrings 18k Gold Double Halo

Est.

$38,870

$50,531

$100

Mynt AuctionsNew York, NY

Sep 17, 2026

Ultra Fine Burma Ruby Bailey Banks & Biddle Circa 1970s 18k Gold Diamond Ring

Est.

$1,500

$3,000

$10

(1 bid)

Hess Fine AuctionsSt Petersburg, FL

3 days Left

71.71ct Yellow Diamond Jewelry Set 18k Gold EGL Certified

Est.

$317,148

$412,292

$195

(3 bids)

Mynt AuctionsNew York, NY

4 days Left

GIA Certified 5.03ct Fancy Yellow Diamond Three-Stone Ring 18k Two-Tone

Est.

$86,164

$112,013

$100

Mynt AuctionsNew York, NY

Aug 17, 2026

Estate Old European Cut Diamond Fire Opal 18K Yellow Gold Platinum Dangle Earrings

Est.

$2,200

$2,600

$400

(2 bids)

Dover JewelryMiami, FL

FEATURED

5 days Left

Chopard 18k Yellow Gold Teddy Bear Happy Diamond Ruby Sapphire Pin Brooch

Est.

$3,000

$3,500

$1,800

Jasper52New York, NY

FEATURED

Ends in 2d 4h

GIA CERTIFIED 18KT GOLD 7.82CT MARQUISE DIAMOND SAPPHIRE RING NO HEAT *

Est.

$42,000

$50,000

$17,000

Jasper52New York, NY

FEATURED

5 days Left

Authentic! H. Stern 18k Yellow Gold Diamond Glyph Band Ring sz 7

Est.

$2,500

$3,000

$1,500

Jasper52New York, NY

FEATURED

Ends in 3d 0h

18K Gold Natural Fine Emerald Ring

Est.

$7,000

$8,000

$6,000

Jasper52New York, NY

5 days Left

A ruby, diamond, and bi-color 18k gold ring

Est.

$1,500

$2,500

$750

Clars AuctionsOakland, CA

Aug 26, 2026

Lagos Caviar Diamond, Sterling Silver, 18K Gold

Est.

$400

$800

$200

World Auction Gallery LLCEast Meadow, NY

Aug 17, 2026

GIA Certified Multicolor Sapphire 18.60ct Diamond 18K White Gold Pendant 17 Grams

Est.

$4,000

$4,500

$90

Dover JewelryMiami, FL

Sep 17, 2026

Gorgeous Rare Paraiba Tourmaline GIA Certified Natural Diamond Ring 18K Gold

Est.

$1,500

$2,000

$150

(2 bids)

Hess Fine AuctionsSt Petersburg, FL

Aug 17, 2026

Necklace Diamond 18k Gold Graduated Geometric Link Collar

Est.

$32,770

$37,140

$4,250

Platinum Auction GroupBoca Raton, FL

Aug 22, 2026

18K GOLD PLATINUM DIAMOND MARQUISE SOLITAIRE RING

Est.

$500

$1,500

$400

Manor AuctionsVero Beach, FL

5 days Left

18K White Gold Edwardian .12 CT Old Cut Diamond Ring; Size 6.25

Est.

$1,100

$1,350

$50

(1 bid)

1111 Jewelry Store, LLCOwens Cross Roads, AL

3 days Left

David Webb 18K Gold Platinum Jade Diamond Enamel Necklace

Est.

$302,718

$393,533

$100

Mynt AuctionsNew York, NY

FEATURED

Ends in 2d 23h

18K Gold Natural Pink Tourmaline Pendant

Est.

$2,000

$3,000

$1,500

Jasper52New York, NY

FEATURED

5 days Left

Rare! H. Stern 18k Yellow Gold UPC Bar Code Cufflinks

Est.

$4,500

$5,500

$3,000

Jasper52New York, NY

FEATURED

6 days Left

Gold chain necklace with central teardrop pendant featuring four round diamonds, linked by gold leaf

Est.

$5,500

$7,000

$3,600

Jasper52New York, NY

FEATURED

Ends in 2d 19h

Vintage 1960's Ruby Diamond Textured Branch Brooch Pin 18K Yellow Gold, 24.39 Gr

Est.

$7,000

$8,000

$3,000

Jasper52New York, NY

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Results for “18k diamond”

$1,600

$1,600

$24,000

$24,000

$1,200

$1,200

$15,000

$15,000

$100

$1,200

$3,000

$100

$750

$150

$400

$10

$15,000

$14,000

$1,800

$2,600

$2,600

$3,250

$100

$2,000

$100

$10

$195

$100

$400

$1,800

$17,000

$17,000

$1,500

$6,000

$6,000

$750

$200

$90

$150

$4,250

$400

$50

$100

$1,500

$1,500

$3,000

$3,600

$3,000

$3,000

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