Results for “18kt”

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Vintage 18k Gold Vacheron Constantin Geneve Stepped Case Mid Century Masterpiece: HFA DT72890 Described By: August R NRDD Title: Vintage 18k Gold Vacheron Constantin Geneve Stepped Case Mid Century Masterpiece Description: Vintage 18k Gold Vacheron Constantin Geneve Stepped Case Mi

4 hrs Left

Vintage 18k Gold Vacheron Constantin Geneve Stepped Case Mid Century Masterpiece

Est.

US$1,000

-

US$1,500

US$700

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Rare Stunning Unheated Kashmir Sapphire Diamond 18k Gold GIA Certified: CNX 0501 1798 Described By: Adams ND Title: Rare Stunning Unheated Kashmir Sapphire Diamond 18k Gold GIA Certified Description: Rare Stunning Unheated Kashmir Sapphire Diamond GIA Certified GGA 070851

4 hrs Left

Rare Stunning Unheated Kashmir Sapphire Diamond 18k Gold GIA Certified

Est.

US$2,000

-

US$2,500

US$600

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Rare Antique Chinese 18K Gold & Hand Carved Miniature Landscape Filigree Brooch: Very good vintage condition with minor patina according to age. Measures approx. 1" long and 3/4" wide and weighs ca. 3.8 grams. Marked and tested for 18K Gold.

1 day Left

Rare Antique Chinese 18K Gold & Hand Carved Miniature Landscape Filigree Brooch

Est.

US$250

-

US$500

US$50

Miami, FL

Pandora Auctions

4.5

(216)

Vintage 1970s 18k Gold Patek Philippe 3445 Calatrava Wrist Watch: HFA DT72906 Described By: Mike NTEDD Title: Vintage 1970s 18k Gold Patek Philippe 3445 Calatrava Wrist Watch Description: Super clean Patek! Make it yours today. Happy bidding! Serial: 11243

4 hrs Left

Vintage 1970s 18k Gold Patek Philippe 3445 Calatrava Wrist Watch

Est.

US$7,000

-

US$9,000

US$5,250

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

An 18K Gold Bracelet Of an 18k gold floral-pattern motif, composed of articulated floral links,: An 18K Gold Bracelet Of an 18k gold floral-pattern motif, composed of articulated floral links, accompanied by extra links for adjustment, with Italian assay mark 2 pieces Length: 8 in. 35.0 grams gro

Sep 30, 2026

An 18K Gold Bracelet Of an 18k gold floral-pattern motif, composed of articulated floral links,

Est.

US$3,000

-

US$5,000

US$1,500

Monrovia, CA

John Moran Auctioneers, Inc.

4.7

(521)

Awesome Cartier 18k Gold Ruby Eye Dachshund Weiner Dog Brooch Pin: CNX 0516 1844 Described By: Mike ND Title: Awesome Cartier 18k Gold Ruby Eye Dachshund Weiner Dog Brooch Pin Description: From the estate of the Topping Family who owne

4 hrs Left

Awesome Cartier 18k Gold Ruby Eye Dachshund Weiner Dog Brooch Pin

Est.

US$1,500

-

US$2,000

US$500

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Gorgeous Rare Paraiba Tourmaline GIA Certified Natural Diamond Ring 18K Gold: CNX 0501 1810 Described By: August R ND Title: Gorgeous Rare Paraiba Tourmaline GIA Certified Natural Diamond Ring 18K Gold Description: Gorgeous Rare Paraiba Tourmaline GIA Certified Natural Diamond

4 hrs Left

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

Est.

US$1,500

-

US$2,000

US$400

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Limited Edition Faberge 37/300 18k Gold Enamel Egg Montgolfier Diamond Pendant: HFA DT73152 Described By: Mike NOOCG Title: Limited Edition Faberge 37/300 18k Gold Enamel Egg Montgolfier Diamond Pendant Description: This piece is absolutely stunnin

4 hrs Left

Limited Edition Faberge 37/300 18k Gold Enamel Egg Montgolfier Diamond Pendant

Est.

US$3,000

-

US$5,000

US$225

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Scarce Heavy 18k Gold Bucherer Day Date Moonphase Chronograph Mens Wrist Watch: HFA DT Described By: AF. NGDDD Title: Scarce Heavy 18k Gold Bucherer Day Date Moonphase Chronograph Mens Wrist Watch Description: We believe this has approx. 4000 of gold alone. Diameter: 38

4 hrs Left

Scarce Heavy 18k Gold Bucherer Day Date Moonphase Chronograph Mens Wrist Watch

Est.

US$5,000

-

US$7,000

US$3,300

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Mid Victorian 18k Gold Stomacher Black Enamel Old Euro Mine Cut 4.8ctw Diamond Pendant Brooch: HFA DT72812 Described By: AF. NOMDD Title: Mid Victorian 18k Gold Stomacher Black Enamel Old Euro Mine Cut 4.8ctw Diamond Pendant Brooch Description: Mid Victorian 18k Gold Stomacher Black Enamel Old

4 hrs Left

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

Est.

US$8,000

-

US$10,000

US$1,700

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Van Cleef & Arpels Mother of Pearl Alhambra 2 Motif 18k Gold Dangle Earrings: HFA DT73197 Described By: Mike NRDDD Title: Van Cleef & Arpels Mother of Pearl Alhambra 2 Motif 18k Gold Dangle Earrings Description: Loving these earrings! Make them yours today. Happy bidding!

4 hrs Left

Van Cleef & Arpels Mother of Pearl Alhambra 2 Motif 18k Gold Dangle Earrings

Est.

US$5,000

-

US$7,000

US$2,500

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

A LADIES 18K GREEN TOURMALINE AND DIAMOND COCKTAIL RING: The fine modern design 18k gold mounting with split shoulders features a near flawless, rectangular, step-cut deep forest green tourmaline flanked by trillion cut diamonds approximately 0.45 carats ea

3 days Left

A LADIES 18K GREEN TOURMALINE AND DIAMOND COCKTAIL RING

Est.

US$800

-

US$1,200

US$400

Lone Jack, MO

Soulis Auctions

4.8

(992)

18k Gold Pink Star Sapphire Bracelet: 18k Gold Pink Star Sapphire Bracelet with 14k clasp & chain, 8.3g. Marked "14KT." Sapphires approximately 4.2W x 4.8H mm. ALL CREDIT CARDS WILL BE MANUALLY VERIFIED PRIOR TO SHIPMENT.

2 days Left

18k Gold Pink Star Sapphire Bracelet

Est.

US$800

-

US$1,200

US$550

Scotts Valley, CA

Clark's Auction Company

4.6

(523)

18k Gold Ametrine Ring: 18k Gold Ametrine Ring 2000s 18K yellow gold ring set with an approx. 2.75 ct oval faceted ametrine center, accented by approx. 1.00 ctw step-cut ametrine side stones. Stamped "18K", "750" and unident

5 days Left

18k Gold Ametrine Ring

Est.

US$500

-

US$800

US$400

Dania Beach, FL

Akiba Galleries

4.7

(2.1k)

Art Deco 18k Gold Natural Ruby Old Rose Cut Diamond Ultra Long Dangling Antique Brooch w/ French: HFA DT73037 Described By: Chris AJP GIA ND Title: Art Deco 18k Gold Natural Ruby Old Rose Cut Diamond Ultra Long Dangling Antique Brooch w/ French Hallmarks Description:

4 hrs Left

Art Deco 18k Gold Natural Ruby Old Rose Cut Diamond Ultra Long Dangling Antique Brooch w/ French

Est.

US$800

-

US$1,200

US$650

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Rolex 67518 18k Gold Oyster Perpetual Diamond Dial Diamond Bezel Ladies Wrist Watch w Box and Tag: HFA DT59490 Described By: Mike NEEDD Title: Rolex 67518 18k Gold Oyster Perpetual Diamond Dial Diamond Bezel Ladies Wrist Watch w Box and Tag Description: This is a stu

4 hrs Left

Rolex 67518 18k Gold Oyster Perpetual Diamond Dial Diamond Bezel Ladies Wrist Watch w Box and Tag

Est.

US$8,000

-

US$10,000

US$4,800

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

18K Gold Plate Tiger's Eye Bypass Ring: A bypass cocktail ring featuring a single oval cabochon tiger's eye gemstone. The interior of the shank features an impressed mark reading 18KT HGE followed by a diamond-shaped frame containing two st

Oct 5, 2026

18K Gold Plate Tiger's Eye Bypass Ring

Est.

US$10

-

US$500

US$10

Dundee, OH

Atlee Raber Auctions

4.6

(609)

FEATURED

RARE 3ct Tiffany GIA VIVID RED Burma Ruby Pigeon Blood Platinum 18k Gold Diamond Ring w Box & Papers: HFA DT73091 Described By: Chris AJP GIA NRMEDD Title: Extraordinary 3.01ct Fine Red Burma Ruby Tiffany Co Platinum 18k Gold Diamond Ring w/ Box & Papers Description: Yo

4 hrs Left

RARE 3ct Tiffany GIA VIVID RED Burma Ruby Pigeon Blood Platinum 18k Gold Diamond Ring w Box & Papers

Est.

US$40,000

-

US$50,000

US$31,000

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

45g David Yurman Sterling Silver 18K Gold Onyx Diamond Cable Cuff: David Yurman twisted cable cuff bracelet made of sterling silver with 18K yellow gold ends, black onyx tips and diamond accents. Marked “D.Y.,” “925” and “750.” Weighs approxim

1 day Left

45g David Yurman Sterling Silver 18K Gold Onyx Diamond Cable Cuff

Est.

US$10

-

US$1,200

US$300

Sun Prarie, WI

Sphere Auctions LLC

4.4

(180)

(2 Pcs) 18K Gold Textured Stacking Bands Set: (2 Pcs) 18K Gold Textured Stacking Bands Set Late 20th Century Set of two 18K yellow gold stacking bands with textured faceted surfaces, Marked "18K". Weight: 4.70 Grams. (3.02 dwt.) Size: 5.25

5 days Left

(2 Pcs) 18K Gold Textured Stacking Bands Set

Est.

US$500

-

US$800

US$400

Dania Beach, FL

Akiba Galleries

4.7

(2.1k)

FEATURED

Van Cleef & Arpels George Schuler 18k Gold Diamond Natural Sapphire Brooch Earrings Ring Suite: CNX 0516 1842 Described By: Mike ND Title: Van Cleef & Arpels George Schuler 18k Gold Diamond Natural Sapphire Brooch Earrings Ring Suite Description: The sapphires

4 hrs Left

Van Cleef & Arpels George Schuler 18k Gold Diamond Natural Sapphire Brooch Earrings Ring Suite

Est.

US$8,000

-

US$10,000

US$1,000

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

Tiffany & Co. Frank Gehry Ultra Large Size 18k Gold Torque Bracelet w Pouch & Papers: HFA DT73102 Described By: Mike NREDD Title: Tiffany & Co. Frank Gehry Ultra Large Size 18k Gold Torque Bracelet w Pouch & Papers Description: Very cool piece! M

4 hrs Left

Tiffany & Co. Frank Gehry Ultra Large Size 18k Gold Torque Bracelet w Pouch & Papers

Est.

US$5,000

-

US$7,000

US$1,600

St Petersburg, FL

Hess Fine Auctions

4.5

(254)

18K Gold & Diamond Feather Earrings: 18K Gold & Diamond Feather Earrings Late 20th Century 18K white gold earrings with layered curved sections and pavé-set round diamond accents throughout with post backs. Stones: Approx. 7.00 ctw whit

5 days Left

18K Gold & Diamond Feather Earrings

Est.

US$2,000

-

US$4,000

US$1,000

Dania Beach, FL

Akiba Galleries

4.7

(2.1k)

Mayors 18K Gold Diamond Ring: Mayors 18K Gold Diamond Ring 1990s, USA 18K yellow gold ring with raised setting and split shoulder form, centering one round brilliant-cut diamond. Stones: Approx. 0.75 ct round brilliant-cut diamond

5 days Left

Mayors 18K Gold Diamond Ring

Est.

US$2,000

-

US$3,000

US$1,000

Dania Beach, FL

Akiba Galleries

4.7

(2.1k)

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