Results for “18ct”

Explore all 1,302 upcoming results for “18ct”.View price results

Sort by:

Most Relevant

▲ Stuart Devlin (Australian-British, 1931-2018), an 18ct gold and rhodonite box,: ▲ Stuart Devlin (Australian-British, 1931-2018), an 18ct gold and rhodonite box, London 1977, modelled as an onion dome, decorated with silver and 18ct-gold applied filigree flowers, with a poli

Oct 27, 2026

▲ Stuart Devlin (Australian-British, 1931-2018), an 18ct gold and rhodonite box,

Est.

£5,000

-

£7,000

£3,000

Stansted Mountfitchet, Essex

Sworders Fine Art Auctioneers

4.3

(43)

Dec 6, 2026

Brand New 40mm 18ct Yellow Gold Submariner Smurf comes with box and papers

Est.

$53,000

-

$60,000

$51,500

Burbank, CA

Triple SSS Designs

4.1

(146)

Vintage 14k Bi Color Gold Flower Brooch with 18ct Sapphire and 0.75ct Diamond: Vintage 14k Bi Color Gold Flower Brooch with 18ct Sapphire and 0.75ct Diamond Vintage flower bouquet brooch crafted in 14k bi-color gold, featuring 19 brilliant-cut round sapphires accented by 4 round

14 hrs Left

Vintage 14k Bi Color Gold Flower Brooch with 18ct Sapphire and 0.75ct Diamond

Est.

$19,058

-

$24,775

$14,500

New York, NY

Mynt Auctions

4.5

(934)

$JEWELRY: Opal pendant in 18K setting, setting stamped "18CT" near bail, polished seashell form: JEWELRY: Opal pendant in 18K setting, setting stamped "18CT" near bail, polished seashell form stone, wear consistent with age and use, some crazing/ internal fractures viewed, 1 1/8" h. x 1 1/4" w. x$

2 days Left

JEWELRY: Opal pendant in 18K setting, setting stamped "18CT" near bail, polished seashell form

Est.

$125

-

$250

$75

Plainville, CT

Winter Associates

4.6

(150)

18k Gold 18ct Opal Rose Cut Diamond Cocktail Ring: Metal : 18k Rose Gold Designer : Not Signed Gemstone : Opal approx. 18ct ( 24 x 16.2 x 8.3mm), Rose cut diamonds approx. 0.70ctw. Measurements : Ring size 6, top is 29mm x 20mm. Marked: : Tested 18k.

Oct 29, 2026

18k Gold 18ct Opal Rose Cut Diamond Cocktail Ring

Est.

$2,500

-

$4,000

$1,900

Lambertville, NJ

Farber Auctioneers

4.2

(80)

JEWELRY. 18ct Gold, Platinum, Gem and Diamond: Band Ring. Petite 18ct yellow gold band ring displaying alternating round faceted blue gems and diamonds set within platinum surrounds. Stamped to the interior of the band, "18ct Plat ...35"

Oct 25, 2026

JEWELRY. 18ct Gold, Platinum, Gem and Diamond

Est.

$200

-

$300

$100

Larchmont, NY

Clarke Auction Gallery

4.5

(626)

Oct 25, 2026

Franck Muller Long Island Reference 1002 Qz, 18Ct Yellow Gold Quartz Wristwatch(In Good Running

Est.

$20,000

-

$30,000

$2,000

Amherst, NY

Hotspot Auctions

4.3

(24)

14k Yellow Gold Prasiolite Quartz Cushion Solitaire Ring 18ct: 14k Yellow Gold Prasiolite Quartz Cushion Solitaire Ring 18ct Pre-owned women's solitaire ring featuring a natural prasiolite quartz center stone in a large cushion checkerboard cut. Crafted in solid

1 day Left

14k Yellow Gold Prasiolite Quartz Cushion Solitaire Ring 18ct

Est.

$1,872

-

$2,433

$100

New York, NY

Mynt Auctions

4.5

(934)

CARTIER 18CT RING: Cartier 18ct ring

Live Now

CARTIER 18CT RING

Est.

$300

-

$500

Current Bid - 1 bid

$100

Erie, PA

Ancient Charm Auctions

4.5

(48)

FRANCK MULLER GENT'S 18CT ROSE GOLD 7.21CT DIAMOND SET WATCH: Franck Muller Gent's 18ct rose gold 7.21ct diamond set watch

Live Now

FRANCK MULLER GENT'S 18CT ROSE GOLD 7.21CT DIAMOND SET WATCH

Est.

$300

-

$500

Current Bid - 3 bids

$950

Erie, PA

Ancient Charm Auctions

4.5

(48)

Loose Diamond - SQUARE EMERALD 1.8ct Fancy Orangey Yellow VVS2: Loose Diamond - SQUARE EMERALD 1.8ct Fancy Orangey Yellow VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: SQUARE EMERALD Carats: 1.8 Color: Fancy Orangey Yellow Certi

3 days Left

Loose Diamond - SQUARE EMERALD 1.8ct Fancy Orangey Yellow VVS2

Est.

$11,440

-

$14,872

$100

New York, NY

Mynt Auctions

4.5

(934)

Loose Diamond - ASSCHER 1.8ct H VVS2: Loose Diamond - ASSCHER 1.8ct H VVS2 Source: Natural Mined Diamond Shape: ASSCHER Carats: 1.8 Color: H Clarity: VVS2 Certification: GIA Condition: Pre-Owned PLEASE NOTE: Framed, Large, or heavy items

2 days Left

Loose Diamond - ASSCHER 1.8ct H VVS2

Est.

$10,790

-

$14,027

$100

New York, NY

Bidhaus

4.3

(882)

Loose Diamond - OVAL 1.8ct D VS2: Loose Diamond - OVAL 1.8ct D VS2 Source: Natural Mined Diamond Shape: OVAL Carats: 1.8 Color: D Clarity: VS2 Certification: GIA Condition: Pre-Owned PLEASE NOTE: Framed, Large, or heavy items do not h

16 hrs Left

Loose Diamond - OVAL 1.8ct D VS2

Est.

$15,366

-

$19,975

$100

New York, NY

Bidhaus

4.3

(882)

18K gold shell cameo pin with relief carving of a beauty. Marked 18CT. 2 x 1.5in. 12.9 grams.: 18K gold shell cameo pin with relief carving of a beauty. Marked 18CT. 2 x 1.5in. 12.9 grams.

Nov 1, 2026

18K gold shell cameo pin with relief carving of a beauty. Marked 18CT. 2 x 1.5in. 12.9 grams.

Est.

$250

-

$350

$125

Sudbury, MA

Tremont Auctions

4.6

(326)

ANTIQUE 18CT GOLD BLUE STONE & DIAMOND CLUSTER DRESS RING: Antique 18ct gold blue stone & diamond cluster dress ring

Live Now

ANTIQUE 18CT GOLD BLUE STONE & DIAMOND CLUSTER DRESS RING

Est.

$300

-

$500

Current Bid - 3 bids

$260

Erie, PA

Ancient Charm Auctions

4.5

(48)

18CT WHITE GOLD YELLOW & WHITE DIAMOND SET BAND: 18ct white gold yellow & white diamond set band

2026

18CT WHITE GOLD YELLOW & WHITE DIAMOND SET BAND

Erie, PA

Ancient Charm Auctions

4.5

(48)

18CT GOLD EMERALD & DIAMOND RING: 18ct gold emerald & diamond ring

Live Now

18CT GOLD EMERALD & DIAMOND RING

Est.

$300

-

$500

$100

Erie, PA

Ancient Charm Auctions

4.5

(48)

18CT WHITE GOLD AQUAMARINE & DIAMOND RING: 18ct white gold aquamarine & diamond ring

Live Now

18CT WHITE GOLD AQUAMARINE & DIAMOND RING

Est.

$300

-

$500

Current Bid - 2 bids

$110

Erie, PA

Ancient Charm Auctions

4.5

(48)

18CT GOLD AQUAMARINE & DIAMOND RING: 18ct gold aquamarine & diamond ring

Live Now

18CT GOLD AQUAMARINE & DIAMOND RING

Est.

$300

-

$500

Current Bid - 1 bid

$100

Erie, PA

Ancient Charm Auctions

4.5

(48)

Loose Diamond - Round 1.8ct D VS2: Loose Diamond - Round 1.8ct D VS2 Source: Natural Mined Diamond Shape: Round Carats: 1.8 Color: D Clarity: VS2 Certification: GIA Condition: Pre-Owned PLEASE NOTE: Framed, Large, or heavy items do not

3 days Left

Loose Diamond - Round 1.8ct D VS2

Est.

$19,903

-

$25,873

$100

New York, NY

Bidhaus

4.3

(882)

ANTIQUE 18CT WHITE GOLD ONYX & DIAMOND MOURNING RING: Antique 18ct white gold onyx & diamond mourning ring

Live Now

ANTIQUE 18CT WHITE GOLD ONYX & DIAMOND MOURNING RING

Est.

$300

-

$500

$100

Erie, PA

Ancient Charm Auctions

4.5

(48)

18CT GOLD & BLUE ENAMEL DECORATIVE EGG TRINKET BOX: 18ct gold & blue enamel decorative egg trinket box

Live Now

18CT GOLD & BLUE ENAMEL DECORATIVE EGG TRINKET BOX

Est.

$300

-

$500

Current Bid - 1 bid

$100

Erie, PA

Ancient Charm Auctions

4.5

(48)

18CT WHITE GOLD & PLATINUM NON HEAT TREATED CEYLON SAPPHIRE & DIAMOND RING: 18ct white gold & platinum Non Heat Treated Ceylon sapphire & diamond ring

Live Now

18CT WHITE GOLD & PLATINUM NON HEAT TREATED CEYLON SAPPHIRE & DIAMOND RING

Est.

$300

-

$500

Current Bid - 2 bids

$110

Erie, PA

Ancient Charm Auctions

4.5

(48)

ANTIQUE 18CT GOLD GENT'S POCKET WATCH: Antique 18ct gold gent's pocket watch

Oct 31, 2026

ANTIQUE 18CT GOLD GENT'S POCKET WATCH

Est.

$300

-

$500

$100

Erie, PA

Ancient Charm Auctions

4.5

(48)

View:

24

Related Searches

Explore the Auction

Sponsored by

TOP