375 Results
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  • 14kt Yellow Gold GemStone Earrings
    Estimate
    $420 - $900

    14kt Yellow Gold GemStone Earrings

    Est.
    $420 - $900
    Robinhood Auctions
    0 Bids
    Starting Bid
    $420
  • 14kt White Gold GemStone Bracelet
    Estimate
    $420 - $1,000

    14kt White Gold GemStone Bracelet

    Est.
    $420 - $1,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $420
  • BVLGARI PARENTESI 18K ROSE GOLD DIAMOND AND MULTI GEMSTONE LONG NECKLACE
    Estimate
    $17,000 - $34,000

    BVLGARI PARENTESI 18K ROSE GOLD DIAMOND AND MULTI GEMST...

    Est.
    $17,000 - $34,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $17,000
  • IO SI 18K WHITE GOLD 0.02CT DIAMOND AND BLUE GEMSTONE EARRINGS
    Estimate
    $1,200 - $2,400

    IO SI 18K WHITE GOLD 0.02CT DIAMOND AND BLUE GEMSTONE E...

    Est.
    $1,200 - $2,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,200
  • ANTONINI 18K YELLOW GOLD GEMSTONE PIN
    Estimate
    $1,300 - $2,600

    ANTONINI 18K YELLOW GOLD GEMSTONE PIN

    Est.
    $1,300 - $2,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,300
  • 14K WHITE GOLD 0.08CT DIAMOND AND SAPPHIRE PENDANT NECKLACE
    Estimate
    $280 - $560

    14K WHITE GOLD 0.08CT DIAMOND AND SAPPHIRE PENDANT NECK...

    Est.
    $280 - $560
    Robinhood Auctions
    0 Bids
    Starting Bid
    $280
  • CASATO 18K ROSE GOLD 0.78CT DIAMOND AND AMETHYST RING
    Estimate
    $1,700 - $3,400

    CASATO 18K ROSE GOLD 0.78CT DIAMOND AND AMETHYST RING

    Est.
    $1,700 - $3,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,700
  • 18kt White Gold 1.48ctw Diamond Ring
    Estimate
    $3,600 - $6,400

    18kt White Gold 1.48ctw Diamond Ring

    Est.
    $3,600 - $6,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,600
  • 18kt White Gold 1.48ctw Diamond Ring
    Estimate
    $3,600 - $6,400

    18kt White Gold 1.48ctw Diamond Ring

    Est.
    $3,600 - $6,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,600
  • SINGLE ROW 18K WHITE GOLD DIAMOND AND EMERALD BANGLE
    Estimate
    $4,200 - $8,400

    SINGLE ROW 18K WHITE GOLD DIAMOND AND EMERALD BANGLE

    Est.
    $4,200 - $8,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,200
  • 14kt White Gold 1.12ctw Diamond Pendant
    Estimate
    $4,000 - $7,200

    14kt White Gold 1.12ctw Diamond Pendant

    Est.
    $4,000 - $7,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,000
  • 14kt White Gold 0.88ctw Diamond Pendant
    Estimate
    $5,500 - $6,500

    14kt White Gold 0.88ctw Diamond Pendant

    Est.
    $5,500 - $6,500
    Robinhood Auctions
    0 Bids
    Starting Bid
    $5,500
  • CARTIER PANTHERE PLATINUM DIAMOND PIN
    Estimate
    $4,600 - $9,200

    CARTIER PANTHERE PLATINUM DIAMOND PIN

    Est.
    $4,600 - $9,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,600
  • 14kt White Gold 0.38ctw Diamond Ring
    Estimate
    $1,400 - $2,600

    14kt White Gold 0.38ctw Diamond Ring

    Est.
    $1,400 - $2,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,400
  • 18kt Yellow Gold 1.3ctw Diamond Ring
    Estimate
    $1,800 - $3,600

    18kt Yellow Gold 1.3ctw Diamond Ring

    Est.
    $1,800 - $3,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,800
  • CARTIER PANTHERE 18K YELLOW GOLD CUFFLINKS AND TUXEDO BUTTON SET
    Estimate
    $9,500 - $19,000

    CARTIER PANTHERE 18K YELLOW GOLD CUFFLINKS AND TUXEDO B...

    Est.
    $9,500 - $19,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $9,500
  • CARTIER LANIERES 18K YELLOW GOLD DIAMOND AND SAPPHIRE RING
    Estimate
    $3,300 - $6,600

    CARTIER LANIERES 18K YELLOW GOLD DIAMOND AND SAPPHIRE R...

    Est.
    $3,300 - $6,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,300
  • DE GRISOGONO ACCESSOIRE 18K WHITE GOLD FULL WHITE AND BLACK DIAMONDS TUXEDO TOGGLE BUTTONS SET
    Estimate
    $6,000 - $12,000

    DE GRISOGONO ACCESSOIRE 18K WHITE GOLD FULL WHITE AND B...

    Est.
    $6,000 - $12,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $6,000
  • 14kt Yellow Gold 1.63ctw Diamond Ring
    Estimate
    $1,900 - $3,400

    14kt Yellow Gold 1.63ctw Diamond Ring

    Est.
    $1,900 - $3,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,900
  • BVLGARI PARENTESI 18K WHITE GOLD DIAMOND AND TOPAZ RING
    Estimate
    $2,400 - $4,800

    BVLGARI PARENTESI 18K WHITE GOLD DIAMOND AND TOPAZ RING...

    Est.
    $2,400 - $4,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,400
  • BUCHERER 18K WHITE GOLD 25.69CT TOURMALINE RING
    Estimate
    $1,700 - $3,400

    BUCHERER 18K WHITE GOLD 25.69CT TOURMALINE RING

    Est.
    $1,700 - $3,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,700
  • 18K YELLOW GOLD 0.49CT DIAMOND AND RUBY RING
    Estimate
    $1,000 - $2,000

    18K YELLOW GOLD 0.49CT DIAMOND AND RUBY RING

    Est.
    $1,000 - $2,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,000
  • 14K YELLOW GOLD 0.09CT DIAMOND AND RUBY RING
    Estimate
    $320 - $640

    14K YELLOW GOLD 0.09CT DIAMOND AND RUBY RING

    Est.
    $320 - $640
    Robinhood Auctions
    0 Bids
    Starting Bid
    $320
  • 11.50CT BRIOLETTE DIAMOND, RUBY AND JADE TASSEL EARRINGS
    Estimate
    $8,000 - $16,000

    11.50CT BRIOLETTE DIAMOND, RUBY AND JADE TASSEL EARRING...

    Est.
    $8,000 - $16,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $8,000
  • 18K YELLOW GOLD 1.10CT DIAMOND FLORAL BROOCH
    Estimate
    $1,800 - $3,600

    18K YELLOW GOLD 1.10CT DIAMOND FLORAL BROOCH

    Est.
    $1,800 - $3,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,800
  • PIODORO 18K WHITE GOLD 2.20CT DIAMOND AND TOURMALINE NECKLACE
    Estimate
    $4,200 - $8,400

    PIODORO 18K WHITE GOLD 2.20CT DIAMOND AND TOURMALINE NE...

    Est.
    $4,200 - $8,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,200
  • 14K YELLOW GOLD 0.09CT DIAMOND AND EMERALD RING
    Estimate
    $320 - $640

    14K YELLOW GOLD 0.09CT DIAMOND AND EMERALD RING

    Est.
    $320 - $640
    Robinhood Auctions
    0 Bids
    Starting Bid
    $320
  • TIFFANY & CO. PLATINUM 0.46CT DIAMOND AND AQUAMARINE COCKTAIL RING
    Estimate
    $2,800 - $5,600

    TIFFANY & CO. PLATINUM 0.46CT DIAMOND AND AQUAMARINE CO...

    Est.
    $2,800 - $5,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,800
  • PLATINUM 0.25CT DIAMOND AND TANZANITE RING
    Estimate
    $1,300 - $2,600

    PLATINUM 0.25CT DIAMOND AND TANZANITE RING

    Est.
    $1,300 - $2,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,300
  • GRAFF 18K YELLOW GOLD 2.26CT DIAMOND AND EMERALD RING
    Estimate
    $6,500 - $13,000

    GRAFF 18K YELLOW GOLD 2.26CT DIAMOND AND EMERALD RING

    Est.
    $6,500 - $13,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $6,500
  • CHANEL COCO MINI 18K WHITE GOLD AMETHYST AND TOURMALINE RING
    Estimate
    $2,200 - $4,400

    CHANEL COCO MINI 18K WHITE GOLD AMETHYST AND TOURMALINE...

    Est.
    $2,200 - $4,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,200
  • 14K WHITE GOLD 0.12CT DIAMOND AND BLUE TOPAZ PENDANT NECKLACE
    Estimate
    $240 - $480

    14K WHITE GOLD 0.12CT DIAMOND AND BLUE TOPAZ PENDANT NE...

    Est.
    $240 - $480
    Robinhood Auctions
    0 Bids
    Starting Bid
    $240
  • PLATINUM 5.84CT DIAMOND AND EMERALD HEART NECKLACE
    Estimate
    $26,000 - $52,000

    PLATINUM 5.84CT DIAMOND AND EMERALD HEART NECKLACE

    Est.
    $26,000 - $52,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $26,000
  • PLATINUM 2.47CT DIAMOND AND PEARL RING
    Estimate
    $2,400 - $4,800

    PLATINUM 2.47CT DIAMOND AND PEARL RING

    Est.
    $2,400 - $4,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,400
  • 14K YELLOW GOLD 0.13CT DIAMOND AND AMETHYST PENDANT NECKLACE
    Estimate
    $340 - $680

    14K YELLOW GOLD 0.13CT DIAMOND AND AMETHYST PENDANT NEC...

    Est.
    $340 - $680
    Robinhood Auctions
    0 Bids
    Starting Bid
    $340
  • PLATINUM 0.55CT DIAMOND AND TOURMALINE RING
    Estimate
    $1,200 - $2,400

    PLATINUM 0.55CT DIAMOND AND TOURMALINE RING

    Est.
    $1,200 - $2,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,200
  • PLATINUM 0.30CT DIAMOND AND TANZANITE NECKLACE
    Estimate
    $3,600 - $7,200

    PLATINUM 0.30CT DIAMOND AND TANZANITE NECKLACE

    Est.
    $3,600 - $7,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,600
  • PLATINUM 0.33CT DIAMOND AND TANZANITE RING
    Estimate
    $700 - $1,400

    PLATINUM 0.33CT DIAMOND AND TANZANITE RING

    Est.
    $700 - $1,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $700
  • 14K WHITE GOLD 0.13CT DIAMOND AND GARNET PENDANT NECKLACE
    Estimate
    $340 - $680

    14K WHITE GOLD 0.13CT DIAMOND AND GARNET PENDANT NECKLA...

    Est.
    $340 - $680
    Robinhood Auctions
    0 Bids
    Starting Bid
    $340
  • PLATINUM 1.18 CT DIAMOND AND TANZANITE PENDANT NECKLACE
    Estimate
    $7,500 - $15,000

    PLATINUM 1.18 CT DIAMOND AND TANZANITE PENDANT NECKLACE...

    Est.
    $7,500 - $15,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $7,500
  • 18K YELLOW GOLD COLORED STONES NECKLACE
    Estimate
    $1,900 - $3,800

    18K YELLOW GOLD COLORED STONES NECKLACE

    Est.
    $1,900 - $3,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,900
  • 14K YELLOW GOLD 0.15CT DIAMOND AND RUBY PENDANT NECKLACE
    Estimate
    $340 - $680

    14K YELLOW GOLD 0.15CT DIAMOND AND RUBY PENDANT NECKLAC...

    Est.
    $340 - $680
    Robinhood Auctions
    0 Bids
    Starting Bid
    $340
  • 18K WHITE GOLD 1.40CT DIAMOND AND SAPPHIRE RING
    Estimate
    $1,800 - $3,600

    18K WHITE GOLD 1.40CT DIAMOND AND SAPPHIRE RING

    Est.
    $1,800 - $3,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,800
  • VAN CLEEF & ARPELS VINTAGE 18K YELLOW GOLD 1.14CT DIAMOND AND MOTHER OF PEARL CLIP-ON EARRINGS
    Estimate
    $6,000 - $12,000

    VAN CLEEF & ARPELS VINTAGE 18K YELLOW GOLD 1.14CT DIAMO...

    Est.
    $6,000 - $12,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $6,000
  • 14K YELLOW GOLD 0.15CT DIAMOND AND AQUAMARINE NECKLACE
    Estimate
    $320 - $640

    14K YELLOW GOLD 0.15CT DIAMOND AND AQUAMARINE NECKLACE

    Est.
    $320 - $640
    Robinhood Auctions
    0 Bids
    Starting Bid
    $320
  • 14K WHITE GOLD 0.13CT DIAMOND AND AMETHYST PENDANT NECKLACE
    Estimate
    $340 - $680

    14K WHITE GOLD 0.13CT DIAMOND AND AMETHYST PENDANT NECK...

    Est.
    $340 - $680
    Robinhood Auctions
    0 Bids
    Starting Bid
    $340
  • 14K WHITE GOLD 0.05CT DIAMOND AND OPAL PEAR NECKLACE
    Estimate
    $170 - $340

    14K WHITE GOLD 0.05CT DIAMOND AND OPAL PEAR NECKLACE

    Est.
    $170 - $340
    Robinhood Auctions
    0 Bids
    Starting Bid
    $170
  • M.PANELLI 18K WHITE GOLD 0.25CT DIAMOND AND CITRINE RING
    Estimate
    $1,200 - $2,400

    M.PANELLI 18K WHITE GOLD 0.25CT DIAMOND AND CITRINE RIN...

    Est.
    $1,200 - $2,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,200

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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