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  • Two Pairs of Gold & Gemstone Earrings
    Estimate
    $800 - $900

    Two Pairs of Gold & Gemstone Earrings

    Est.
    $800 - $900
    Case Auctions Live Now
    0 Bids
    Starting Bid
    $400
  • 3 14K Gold & Gemstone Brooches
    Estimate
    $1,000 - $1,100

    3 14K Gold & Gemstone Brooches

    Est.
    $1,000 - $1,100
    Case Auctions Live Now
    1 Bid
    Current Bid
    $500
  • 18K Gold and Gemstone Tennis Bracelet
    Estimate
    $1,800 - $2,000

    18K Gold and Gemstone Tennis Bracelet

    Est.
    $1,800 - $2,000
  • Two Pairs 14K & Gemstone Cufflinks
    Estimate
    $1,200 - $1,300

    Two Pairs 14K & Gemstone Cufflinks

    Est.
    $1,200 - $1,300
    Case Auctions Live Now
    1 Bid
    Current Bid
    $600
  • 14K Gold & Gemstone Ring & Earrings
    Estimate
    $1,000 - $1,200

    14K Gold & Gemstone Ring & Earrings

    Est.
    $1,000 - $1,200
    Case Auctions Live Now
    0 Bids
    Starting Bid
    $500
  • Three (3) 14K Gold Gemstone Bracelets
    Estimate
    $1,000 - $1,100

    Three (3) 14K Gold Gemstone Bracelets

    Est.
    $1,000 - $1,100
    Case Auctions Live Now
    1 Bid
    Current Bid
    $500
  • 14K Gold, Diamond & Gemstone Ring, Brooch, and Earrings
    Estimate
    $1,000 - $1,100

    14K Gold, Diamond & Gemstone Ring, Brooch, and Earrings...

    Est.
    $1,000 - $1,100
    Case Auctions Live Now
    0 Bids
    Starting Bid
    $500
  • Fancy Cut 11ct Dark Purple Amethyst Unmounted Gemstone H 0.62"
    Estimate
    $500 - $700

    Fancy Cut 11ct Dark Purple Amethyst Unmounted Gemstone ...

    Est.
    $500 - $700
    DuMouchelles
    0 Bids
    Starting Bid
    $375
  • Natural 12ct Ametrine Unmounted Gemstone H 1"
    Estimate
    $200 - $400

    Natural 12ct Ametrine Unmounted Gemstone H 1"

    Est.
    $200 - $400
    DuMouchelles
    0 Bids
    Starting Bid
    $100
  • 5ct Smokey Quartz And Two Round 0.4ct Citrines Unmounted Gemstones 3 PCS
    Estimate
    $150 - $300

    5ct Smokey Quartz And Two Round 0.4ct Citrines Unmounte...

    Est.
    $150 - $300
    DuMouchelles
    0 Bids
    Starting Bid
    $70
  • 14K Diamond in Heart
    Estimate
    $700 - $1,100

    14K Diamond in Heart

    Est.
    $700 - $1,100
    Vogt Auction
    2 Bids
    Current Bid
    $600
  • Pair of Unmounted, Checkerboard Marquis Rhodolite Garnets 2 PCS
    Estimate
    $200 - $400

    Pair of Unmounted, Checkerboard Marquis Rhodolite Garne...

    Est.
    $200 - $400
    DuMouchelles
    0 Bids
    Starting Bid
    $100
  • Platinum Watch & Pearl Pendant
    Estimate
    $500 - $600

    Platinum Watch & Pearl Pendant

    Est.
    $500 - $600
    Case Auctions
    1 Bid
    Current Bid
    $250
  • 14K Gemstone Cufflinks
    Estimate
    $400 - $600

    14K Gemstone Cufflinks

    Est.
    $400 - $600
    Vogt Auction
    1 Bid
    Current Bid
    $200
  • Sterling Silver Gemstone Bracelet
    Estimate
    $200 - $400

    Sterling Silver Gemstone Bracelet

    Est.
    $200 - $400
    Vogt Auction
    2 Bids
    Current Bid
    $125
  • Sterling Silver Gemstone Cross Necklace
    Estimate
    $200 - $400

    Sterling Silver Gemstone Cross Necklace

    Est.
    $200 - $400
    Vogt Auction
    3 Bids
    Current Bid
    $300
  • Sterling Silver Gemstone Cuff
    Estimate
    $300 - $500

    Sterling Silver Gemstone Cuff

    Est.
    $300 - $500
    Vogt Auction
    2 Bids
    Current Bid
    $200
  • 14K Gemstone Pendant Necklace
    Estimate
    $200 - $300

    14K Gemstone Pendant Necklace

    Est.
    $200 - $300
    Vogt Auction
    0 Bids
    Starting Bid
    $100
  • 14K Gemstone Ring
    Estimate
    $600 - $900

    14K Gemstone Ring

    Est.
    $600 - $900
    Vogt Auction
    2 Bids
    Current Bid
    $350
  • Sterling Silver Gemstone Necklace
    Estimate
    $100 - $300

    Sterling Silver Gemstone Necklace

    Est.
    $100 - $300
    Vogt Auction
    1 Bid
    Current Bid
    $50
  • 14K Gemstone Bracelet
    Estimate
    $800 - $1,400

    14K Gemstone Bracelet

    Est.
    $800 - $1,400
    Vogt Auction
    2 Bids
    Current Bid
    $600
  • Sterling Silver Gemstone Pendant Necklace
    Estimate
    $200 - $400

    Sterling Silver Gemstone Pendant Necklace

    Est.
    $200 - $400
    Vogt Auction
    0 Bids
    Starting Bid
    $100
  • (2) Sterling Silver Gemstone Cuffs
    Estimate
    $300 - $500

    (2) Sterling Silver Gemstone Cuffs

    Est.
    $300 - $500
    Vogt Auction
    1 Bid
    Current Bid
    $150
  • (3)  Sterling Silver Gemstone Bracelets
    Estimate
    $300 - $500

    (3) Sterling Silver Gemstone Bracelets

    Est.
    $300 - $500
    Vogt Auction
    0 Bids
    Starting Bid
    $150
  • (3) 10K and Gemstone Necklaces
    Estimate
    $200 - $400

    (3) 10K and Gemstone Necklaces

    Est.
    $200 - $400
    Vogt Auction
    1 Bid
    Current Bid
    $100
  • (3) 14K Gemstone Rings
    Estimate
    $1,000 - $1,500

    (3) 14K Gemstone Rings

    Est.
    $1,000 - $1,500
    Vogt Auction
    0 Bids
    Starting Bid
    $500
  • (3) 14K Gemstone Rings
    Estimate
    $800 - $1,400

    (3) 14K Gemstone Rings

    Est.
    $800 - $1,400
    Vogt Auction
    1 Bid
    Current Bid
    $400
  • (3) 14K  Gemstone Rings
    Estimate
    $600 - $900

    (3) 14K Gemstone Rings

    Est.
    $600 - $900
    Vogt Auction
    1 Bid
    Current Bid
    $300
  • Matilde Poulat Sterling Silver Gemstone Ring
    Estimate
    $200 - $400

    Matilde Poulat Sterling Silver Gemstone Ring

    Est.
    $200 - $400
    Vogt Auction
    2 Bids
    Current Bid
    $100
  • (4) 10K Gemstone Rings
    Estimate
    $400 - $700

    (4) 10K Gemstone Rings

    Est.
    $400 - $700
    Vogt Auction
    1 Bid
    Current Bid
    $200
  • Mexican Sterling Silver Gemstone Pendant and Bracelet
    Estimate
    $200 - $400

    Mexican Sterling Silver Gemstone Pendant and Bracelet

    Est.
    $200 - $400
    Vogt Auction
    2 Bids
    Current Bid
    $100
  • (4) 14K Gemstone Rings
    Estimate
    $800 - $1,400

    (4) 14K Gemstone Rings

    Est.
    $800 - $1,400
    Vogt Auction
    1 Bid
    Current Bid
    $400
  • (2) Pairs of 14K Gemstone Earrings
    Estimate
    $300 - $500

    (2) Pairs of 14K Gemstone Earrings

    Est.
    $300 - $500
    Vogt Auction
    1 Bid
    Current Bid
    $150
  • (2) 14K Gemstone Dome Rings
    Estimate
    $400 - $600

    (2) 14K Gemstone Dome Rings

    Est.
    $400 - $600
    Vogt Auction
    1 Bid
    Current Bid
    $200
  • 18K White Gold Art Deco Gemstone Ring
    Estimate
    $300 - $500

    18K White Gold Art Deco Gemstone Ring

    Est.
    $300 - $500
    Vogt Auction
    0 Bids
    Starting Bid
    $150
  • (3) Pairs of 14K Gemstone Earrings
    Estimate
    $300 - $600

    (3) Pairs of 14K Gemstone Earrings

    Est.
    $300 - $600
    Vogt Auction
    0 Bids
    Starting Bid
    $150
  • (3) Pairs of 14K Gemstone Dangle Earrings
    Estimate
    $600 - $900

    (3) Pairs of 14K Gemstone Dangle Earrings

    Est.
    $600 - $900
    Vogt Auction
    1 Bid
    Current Bid
    $300
  • 14k Yellow Gold And Multi Gemstone Bracelet L 7"
    Estimate
    $800 - $1,200

    14k Yellow Gold And Multi Gemstone Bracelet L 7"

    Est.
    $800 - $1,200
    DuMouchelles
    2 Bids
    Current Bid
    $700
  • Pair of Matilde Poulat Sterling Silver Gemstone Pendants
    Estimate
    $300 - $500

    Pair of Matilde Poulat Sterling Silver Gemstone Pendant...

    Est.
    $300 - $500
    Vogt Auction
    1 Bid
    Current Bid
    $150
  • (2) Pairs of Matilde Poulat Sterling Silver Gemstone Earrings
    Estimate
    $400 - $700

    (2) Pairs of Matilde Poulat Sterling Silver Gemstone Ea...

    Est.
    $400 - $700
    Vogt Auction
    3 Bids
    Current Bid
    $550
  • 3 Gold & Gemstone Rings
    Estimate
    $700 - $800

    3 Gold & Gemstone Rings

    Est.
    $700 - $800
    Case Auctions
    1 Bid
    Current Bid
    $350
  • 3 Gold & Gemstone Rings
    Estimate
    $800 - $900

    3 Gold & Gemstone Rings

    Est.
    $800 - $900
    Case Auctions
    2 Bids
    Current Bid
    $425
  • 3 Gemstone Jewelry Necklaces
    Estimate
    $300 - $400

    3 Gemstone Jewelry Necklaces

    Est.
    $300 - $400
    Case Auctions
    1 Bid
    Current Bid
    $150
  • CHARLES KELLER & CO CHARLES KELLER & CO DECO 14K YELLOW GOLD GEMSTONE BRACELET
    Estimate
    $1,600 - $3,200

    CHARLES KELLER & CO CHARLES KELLER & CO DECO 14K YELLOW...

    Est.
    $1,600 - $3,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,600
  • 3 Yellow Gold & Gemstone Rings
    Estimate
    $800 - $900

    3 Yellow Gold & Gemstone Rings

    Est.
    $800 - $900
    Case Auctions
    0 Bids
    Starting Bid
    $400
  • Three Gold, Gemstone, and Diamond Rings
    Estimate
    $500 - $550

    Three Gold, Gemstone, and Diamond Rings

    Est.
    $500 - $550
    Case Auctions
    2 Bids
    Current Bid
    $275
  • Assortment of 5 Gold & Gemstone Items
    Estimate
    $800 - $900

    Assortment of 5 Gold & Gemstone Items

    Est.
    $800 - $900
    Case Auctions
    1 Bid
    Current Bid
    $400
  • 14K Diamond & Gemstone Pendant
    Estimate
    $800 - $900

    14K Diamond & Gemstone Pendant

    Est.
    $800 - $900
    Case Auctions
    1 Bid
    Current Bid
    $400

Looking as lovely as when set in jewelry, loose diamonds and gemstones offer consumers additional benefits of matching the unmounted stone to desired specifications and quality characteristics to create a truly unique piece of custom jewelry, such as an engagement ring or milestone gift. Indulge yourself in a world of stunning diamond collections to glistening gemstones dating from the 19th to 21st century on Bidsquare, the online auction site providing authentic gemstone diamonds straight to consumers from verified sellers all over the world.

Basics of Loose Diamonds
Loose diamonds are diamonds that have not been set into jewelry like rings or earrings. The rarity and beauty of diamonds are affected by many variables, including Cut, Color, Clarity, and Carat Weight, the 4Cs factors that determine the price of the unmounted stone. Wholesale diamonds are priced by carat, and loose diamond prices grow exponentially with every full carat. Hence, the price difference between 2.9 carat and 3.1 carat diamonds could be hundreds of dollars, if not higher.

Although all 4Cs contribute to a diamond's beauty, cut and clarity have a greater effect on a diamond's stability. A diamond's cut refers to the shape and also the proportions in which the diamond has been cut. Different diamond shapes are reflections of the proportions and quality of the rough diamond as well as popular taste. Some of the most popular shapes of diamonds are the Round, Oval, Emerald, Baguette, Marquise Square, Princess cuts, in addition to the availability of various specialty shapes. Diamonds with pointed tips should be stored and handled carefully. Clarity is determined by the presence or absence of visible flaws in the diamond. A diamond's brilliance can be altered by surface blemishes or internal inclusions, which directly impact its value. The least color diamonds are more valuable, the exceptions are the colored diamonds, especially the pinks.

Loose certified diamonds come with verifiable documentation attesting to the jewel's quality, whether purchased as an investment or for mounting. The price of loose diamonds for sale is 50-70% less than its retail price because of cutting unnecessary costs as with mounted stones. Assessing the quality is easier with loose diamonds due to difficulty in hiding imperfections that would otherwise be easy with mountings.

Quick facts about Loose Diamonds and Gemstones

  • A diamond is not always white in color.
  • The cutting process can cause a diamond to lose up to 50% of its weight.

 

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