18k Necklace

18k gold is a type of gold that is not pure and is produced by humans with a mixture of other various materials. However, it does contain more pure gold than other types of gold. 18k gold can be found in three types which can also be classified according to their color. Yellow gold is the purest gold out of rose gold and white gold. It also consists of rich and vibrant gold color which is brighter than 10k and 14k gold necklace. White gold is the most popular metal when it comes to jewelry. The silvery color of the gold has always made it a topic of discussion. As for rose gold, it is a new type of gold that doesn't seem to go out of trend anytime soon. The mixture of various metals gives this gold pinkish color.

The pure 18k gold is most well known because the gold doesn't trigger and irritate skin which leads to fewer skin infections. Various types of jewels made from 18k gold can be found. One of the most popular pieces of jewelry throughout history is a necklace. People have been using antique and vintage necklaces to decorate themselves for more than a hundred years. The necklaces made from 18k gold are one of the most reliable necklaces because of their skin-friendly nature which is on sale. Antique and vintage necklaces made from 18k gold have often been used for both casual and formal occasions. Find one of the best jewels with elegant and classy features in our collection on Bidsquare. An 18k necklace for sale is available at various online auctions. 18k necklaces at auction with stunning colors and designate patterns are also available. 

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  • 18K Gold Chain Necklace
    Estimate
    $4,000 - $4,200

    18K Gold Chain Necklace

    Est.
    $4,000 - $4,200
    Case Auctions
    3 Bids
    Current Bid
    $2,600
  • 18K Gold & Ruby Fish Necklace
    Estimate
    $1,400 - $1,600

    18K Gold & Ruby Fish Necklace

    Est.
    $1,400 - $1,600
    Case Auctions
    1 Bid
    Current Bid
    $700
  • 18K Gold Italian Woven Necklace
    Estimate
    $3,200 - $3,300

    18K Gold Italian Woven Necklace

    Est.
    $3,200 - $3,300
    Case Auctions
    2 Bids
    Current Bid
    $2,100
  • 18K Pearl Drop Necklace
    Estimate
    $1,000 - $1,500

    18K Pearl Drop Necklace

    Est.
    $1,000 - $1,500
    Vogt Auction
    2 Bids
    Current Bid
    $550
  • 18K White Gold & Diamond Necklace
    Estimate
    $3,800 - $4,000

    18K White Gold & Diamond Necklace

    Est.
    $3,800 - $4,000
    Case Auctions
    1 Bid
    Current Bid
    $1,900
  • 18K Gold Tiffany & Co. Cross Pendant & Rope Necklace
    Estimate
    $5,400 - $5,500

    18K Gold Tiffany & Co. Cross Pendant & Rope Necklace

    Est.
    $5,400 - $5,500
    Case Auctions
    2 Bids
    Current Bid
    $4,400
  • 18K Gold & Diamond Necklace by Ilias Lalaounis
    Estimate
    $6,000 - $6,400

    18K Gold & Diamond Necklace by Ilias Lalaounis

    Est.
    $6,000 - $6,400
    Case Auctions
    1 Bid
    Current Bid
    $3,000
  • Louis Tamis & Sons 18K Yellow Gold Cable Chain Necklace
    Estimate
    $12,000 - $14,000

    Louis Tamis & Sons 18K Yellow Gold Cable Chain Necklace...

    Est.
    $12,000 - $14,000
    Case Auctions
    4 Bids
    Current Bid
    $9,000
  • 18K Gold Double Rope Chain Necklace/Bracelets
    Estimate
    $3,600 - $3,800

    18K Gold Double Rope Chain Necklace/Bracelets

    Est.
    $3,600 - $3,800
    Case Auctions
    1 Bid
    Current Bid
    $1,800
  • Konstantino Sterling & 18K Hermes Pendant  w/ Sterling Necklace
    Estimate
    $300 - $400

    Konstantino Sterling & 18K Hermes Pendant w/ Sterling N...

    Est.
    $300 - $400
    Case Auctions
    1 Bid
    Current Bid
    $150
  • 18K James Avery Diamond Heart Pendant Necklace
    Estimate
    $1,000 - $1,500

    18K James Avery Diamond Heart Pendant Necklace

    Est.
    $1,000 - $1,500
    Vogt Auction
    2 Bids
    Current Bid
    $1,400
  • 18K Gold, Emerald, & Diamond Pendant & Earrings
    Estimate
    $1,000 - $1,200

    18K Gold, Emerald, & Diamond Pendant & Earrings

    Est.
    $1,000 - $1,200
    Case Auctions
    0 Bids
    Starting Bid
    $500
  • 18K Gold Italian Etruscan Revival Link Bracelet by Oreste Guidi
    Estimate
    $6,200 - $6,400

    18K Gold Italian Etruscan Revival Link Bracelet by Ores...

    Est.
    $6,200 - $6,400
    Case Auctions
    2 Bids
    Current Bid
    $4,200
  • Fine 15mm-12mm White and Gold South Sea and Tahitian Pearl Lariat Necklace, 18k Gold Bead Accents
    Estimate
    $2,000 - $2,500

    Fine 15mm-12mm White and Gold South Sea and Tahitian Pe...

    Est.
    $2,000 - $2,500
    Rafael Osona Auctions
    0 Bids
    Starting Bid
    $1,500
  • 1.33 ct. Natural Diamond Dragon Fly Chain & Pendant in 18K Yellow Gold
    Estimate
    $5,460 - $7,590

    1.33 ct. Natural Diamond Dragon Fly Chain & Pendant in ...

    Est.
    $5,460 - $7,590
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • 1.16 ct. Natural Diamonds Pear Shaped Fashion Pendant in 18k White Gold
    Estimate
    $4,350 - $6,960

    1.16 ct. Natural Diamonds Pear Shaped Fashion Pendant i...

    Est.
    $4,350 - $6,960
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $750
  • South Sea Pearl And 18k Yellow Gold And Diamond Bow Tie Clasp Necklace L 17" 116 g
    Estimate
    $5,000 - $7,000

    South Sea Pearl And 18k Yellow Gold And Diamond Bow Tie...

    Est.
    $5,000 - $7,000
    DuMouchelles
    0 Bids
    Starting Bid
    $3,000
  • 1.83 ct. Natural Sapphire's & Diamonds Pendant in 18K White Gold
    Estimate
    $4,180 - $5,560

    1.83 ct. Natural Sapphire's & Diamonds Pendant in 18K W...

    Est.
    $4,180 - $5,560
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $1,000
  • Ruby And Diamond, 18K Yellow Gold Necklace L 16.7"
    Estimate
    $2,000 - $2,500

    Ruby And Diamond, 18K Yellow Gold Necklace L 16.7"

    Est.
    $2,000 - $2,500
    DuMouchelles
    1 Bid
    Current Bid
    $1,500
  • 0.69 ct. Natural Diamonds & Natural Blue Sapphire's Circle Pendant in 18k White Gold
    Estimate
    $1,650 - $2,640

    0.69 ct. Natural Diamonds & Natural Blue Sapphire's Cir...

    Est.
    $1,650 - $2,640
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $100
  • Two Gold Pendant Necklaces
    Estimate
    $700 - $900

    Two Gold Pendant Necklaces

    Est.
    $700 - $900
    5 Bids
    Sold for
    $1,200
  • 18K Yellow Gold Box Chain Necklace in 18K Yellow Gold
    Estimate
    $9,540 - $16,430

    18K Yellow Gold Box Chain Necklace in 18K Yellow Gold

    Est.
    $9,540 - $16,430
  • 18K Yellow Gold 36 Inch Rope & Box Chain 5.5 mm
    Estimate
    $5,672 - $7,444

    18K Yellow Gold 36 Inch Rope & Box Chain 5.5 mm

    Est.
    $5,672 - $7,444
  • Baroque South Sea Multi-color and Pink Fresh Water Pearl Lariat Necklace
    Estimate
    $2,000 - $2,500

    Baroque South Sea Multi-color and Pink Fresh Water Pear...

    Est.
    $2,000 - $2,500
  • 18k Diamond Necklace
    Estimate
    $16,500 - $26,000

    18k Diamond Necklace

    Est.
    $16,500 - $26,000
  • 18k Necklace 
    Estimate
    $8,000 - $10,000

    18k Necklace 

    Est.
    $8,000 - $10,000
  • 18K  DIAMOND NECKLACE
    Estimate
    $2,200 - $2,500

    18K DIAMOND NECKLACE

    Est.
    $2,200 - $2,500
  • 18k Link Necklace
    Estimate
    $7,000 - $9,000

    18k Link Necklace

    Est.
    $7,000 - $9,000
  • 18k Turquoise Necklace 
    Estimate
    $1,500 - $2,500

    18k Turquoise Necklace 

    Est.
    $1,500 - $2,500
  • 18k Gold Diamond Necklace
    Estimate
    $3,500 - $5,000

    18k Gold Diamond Necklace

    Est.
    $3,500 - $5,000
  • 18k Emerald Necklace 
    Estimate
    $45,000 - $65,000

    18k Emerald Necklace 

    Est.
    $45,000 - $65,000
  • 18K Gold Necklace
    Estimate
    $2,000 - $3,000

    18K Gold Necklace

    Est.
    $2,000 - $3,000
  • 18k Retro Necklace
    Estimate
    $7,000 - $8,000

    18k Retro Necklace

    Est.
    $7,000 - $8,000
  • 18k Retro Necklace 
    Estimate
    $3,500 - $4,500

    18k Retro Necklace 

    Est.
    $3,500 - $4,500
  • 18k Gold Necklace
    Estimate
    $5,000 - $8,000

    18k Gold Necklace

    Est.
    $5,000 - $8,000
  • 18k Coral Necklace 
    Estimate
    $2,500 - $3,500

    18k Coral Necklace 

    Est.
    $2,500 - $3,500
  • 18k Retro Necklace
    Estimate
    $6,000 - $8,000

    18k Retro Necklace

    Est.
    $6,000 - $8,000
  • 18k Diamond Necklace
    Estimate
    $8,000 - $10,000

    18k Diamond Necklace

    Est.
    $8,000 - $10,000
  • Retro 18k Necklace
    Estimate
    $5,500 - $8,500

    Retro 18k Necklace

    Est.
    $5,500 - $8,500
  • 18k Chain Necklace
    Estimate
    $3,000 - $400

    18k Chain Necklace

    Est.
    $3,000 - $400
  • 18k Chain Necklace 
    Estimate
    $3,000 - $400

    18k Chain Necklace 

    Est.
    $3,000 - $400
  • 18k Pearl Necklace
    Estimate
    $1,000 - $3,000

    18k Pearl Necklace

    Est.
    $1,000 - $3,000
  • 18k Pearl Necklace
    Estimate
    $1,000 - $3,000

    18k Pearl Necklace

    Est.
    $1,000 - $3,000
  • 18K GOLD & RUBY NECKLACE
    Estimate
    $300 - $400

    18K GOLD & RUBY NECKLACE

    Est.
    $300 - $400
  • 18k Diamond Necklace
    Estimate
    $5,500 - $10,000

    18k Diamond Necklace

    Est.
    $5,500 - $10,000
  • 18k Retro Necklace
    Estimate
    $5,000 - $10,000

    18k Retro Necklace

    Est.
    $5,000 - $10,000
  • 18k Pearl Necklace
    Estimate
    $1,000 - $3,000

    18k Pearl Necklace

    Est.
    $1,000 - $3,000
  • 18k Retro Necklace
    Estimate
    $10,000 - $15,000

    18k Retro Necklace

    Est.
    $10,000 - $15,000