1742 Results
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  • Sparkling 2.01 Ct Certified VS1 White E Lab Grown Diamond
    Estimate
    $3,000 - $4,000

    Sparkling 2.01 Ct Certified VS1 White E Lab Grown Diamond

    Est.
    $3,000 - $4,000
    1 Great Deal Auctions
    1 Bid
    Current Bid
    $1
  • GIA 2.14 ct. Natural Color Change Russian Alexandrite Heart Cut Gemstone
    Estimate
    $216,850 - $251,200

    GIA 2.14 ct. Natural Color Change Russian Alexandrite Heart Cut Gemstone

    Est.
    $216,850 - $251,200
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $25,000
  • Collection of Unmounted Rubies
    Estimate
    $400 - $600

    Collection of Unmounted Rubies

    Est.
    $400 - $600
    Fine Estate, Inc.
    1 Bid
    Current Bid
    $200
  • GIA 19.49 ct. Tanzanite & Diamond Ring in 14k White Gold
    Estimate
    $21,475 - $24,911

    GIA 19.49 ct. Tanzanite & Diamond Ring in 14k White Gold

    Est.
    $21,475 - $24,911
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $2,500
  • GIA 9.75 ct. Cushion Emerald & Diamond Cocktail Ring in 14k White Gold
    Estimate
    $32,475 - $37,595

    GIA 9.75 ct. Cushion Emerald & Diamond Cocktail Ring in 14k White Gold

    Est.
    $32,475 - $37,595
    Reserve Stock Auctions
    0 Bids
    Starting Bid
    $7,500
  • SEAMAN SCHEPPS 18K YELLOW GOLD COLORED GEMSTONE EARRINGS
    Estimate
    $2,600 - $5,200

    SEAMAN SCHEPPS 18K YELLOW GOLD COLORED GEMSTONE EARRINGS

    Est.
    $2,600 - $5,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,600
  • 5.00 ct. Green Amethyst Oval Solitaire Ring in 10k White Gold
    Estimate
    $1,899 - $2,499

    5.00 ct. Green Amethyst Oval Solitaire Ring in 10k White Gold

    Est.
    $1,899 - $2,499
    Jewelry of Distinction, Inc...
    0 Bids
    Starting Bid
    $100
  • Faberge Style Elephant Dress Cane
    Estimate
    $600 - $700

    Faberge Style Elephant Dress Cane

    Est.
    $600 - $700
    E
    Kimball Sterling
    0 Bids
    Starting Bid
    $200
  • Beautiful 288 Ct Lab Created Red Ruby Necklace
    Estimate
    $400 - $500

    Beautiful 288 Ct Lab Created Red Ruby Necklace

    Est.
    $400 - $500
    1 Great Deal Auctions
    1 Bid
    Current Bid
    $1
  • Antique Art Nouveau Pearl Sapphire Gold Lavalier Pendant
    Estimate
    $750 - $1,000

    Antique Art Nouveau Pearl Sapphire Gold Lavalier Pendant

    Est.
    $750 - $1,000
    Farber Auctioneers and Appr...
    1 Bid
    Current Bid
    $350
  • 14K WHITE GOLD 0.08CT DIAMOND AND SAPPHIRE PENDANT NECKLACE
    Estimate
    $280 - $560

    14K WHITE GOLD 0.08CT DIAMOND AND SAPPHIRE PENDANT NECKLACE

    Est.
    $280 - $560
    Robinhood Auctions
    0 Bids
    Starting Bid
    $280
  • 1.25 ct.  Blue Topaz Heart Pendant in 14k White Gold
    Estimate
    $1,028 - $1,353

    1.25 ct. Blue Topaz Heart Pendant in 14k White Gold

    Est.
    $1,028 - $1,353
    Jewelry of Distinction, Inc...
    0 Bids
    Starting Bid
    $100
  • 14KT Yellow Gold 1.65ctw Zambian Emerald and Diamond Pendant
    Estimate
    $2,500 - $3,500

    14KT Yellow Gold 1.65ctw Zambian Emerald and Diamond Pendant

    Est.
    $2,500 - $3,500
    1 Great Deal Auctions
    1 Bid
    Current Bid
    $1
  • GEORG JENSEN VIVIANNA SILVER AMETHYST AND DIAMOND PENDANT
    Estimate
    $160 - $320

    GEORG JENSEN VIVIANNA SILVER AMETHYST AND DIAMOND PENDANT

    Est.
    $160 - $320
    Robinhood Auctions
    0 Bids
    Starting Bid
    $160
  • 1.50 ct. Blue Topaz & Diamond Halo Pendant & Necklace In 10k White Gold
    Estimate
    $1,199 - $1,577

    1.50 ct. Blue Topaz & Diamond Halo Pendant & Necklace In 10k White Gold

    Est.
    $1,199 - $1,577
    Jewelry of Distinction, Inc...
    0 Bids
    Starting Bid
    $100
  • PLATINUM 14.40CT AQUAMARINE PENDANT
    Estimate
    $2,000 - $4,000

    PLATINUM 14.40CT AQUAMARINE PENDANT

    Est.
    $2,000 - $4,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,000
  • 0.50 ct. Alexandrite & Diamond Half Eternity Ring 14K White Gold (G-H, SI)
    Estimate
    $1,744 - $2,295

    0.50 ct. Alexandrite & Diamond Half Eternity Ring 14K White Gold (G-H, SI)

    Est.
    $1,744 - $2,295
    Jewelry of Distinction, Inc...
    0 Bids
    Starting Bid
    $100
  • TIFFANY & CO. VINTAGE 18K YELLOW GOLD DIAMOND AND TURQUOISE RING
    Estimate
    $3,000 - $6,000

    TIFFANY & CO. VINTAGE 18K YELLOW GOLD DIAMOND AND TURQUOISE RING

    Est.
    $3,000 - $6,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,000
  • AARON BASHA 18K WHITE GOLD SADDLE SHOE CHARM
    Estimate
    $750 - $1,500

    AARON BASHA 18K WHITE GOLD SADDLE SHOE CHARM

    Est.
    $750 - $1,500
    Robinhood Auctions
    0 Bids
    Starting Bid
    $750
  • HERMES 18K YELLOW GOLD CITRINE RING
    Estimate
    $2,200 - $4,400

    HERMES 18K YELLOW GOLD CITRINE RING

    Est.
    $2,200 - $4,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,200
  • 18K YELLOW GOLD ONYX CAMEO BROOCH
    Estimate
    $1,000 - $2,000

    18K YELLOW GOLD ONYX CAMEO BROOCH

    Est.
    $1,000 - $2,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,000
  • 18K YELLOW GOLD PEARL BROOCH
    Estimate
    $1,400 - $2,800

    18K YELLOW GOLD PEARL BROOCH

    Est.
    $1,400 - $2,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,400
  • 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
  • CASATO 18K YELLOW GOLD DIAMOND AND CHALCEDONY DROP EARRINGS
    Estimate
    $1,500 - $3,000

    CASATO 18K YELLOW GOLD DIAMOND AND CHALCEDONY DROP EARRINGS

    Est.
    $1,500 - $3,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,500
  • 18K YELLOW GOLD CITRINE AND TRIANON WOOD EARRINGS
    Estimate
    $3,600 - $7,200

    18K YELLOW GOLD CITRINE AND TRIANON WOOD EARRINGS

    Est.
    $3,600 - $7,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,600
  • JOHN HARDY 18K WHITE AND YELLOW GOLD 4.0CT AQUAMARINE PENDANT
    Estimate
    $1,600 - $3,200

    JOHN HARDY 18K WHITE AND YELLOW GOLD 4.0CT AQUAMARINE PENDANT

    Est.
    $1,600 - $3,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,600
  • MARINA B. 18K YELLOW GOLD DIAMOND AND RUBY RING
    Estimate
    $5,500 - $11,000

    MARINA B. 18K YELLOW GOLD DIAMOND AND RUBY RING

    Est.
    $5,500 - $11,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $5,500
  • PLATINUM 0.80CT DIAMOND AND RHODOLITE GARNET PENDANT NECKLACE
    Estimate
    $1,500 - $3,000

    PLATINUM 0.80CT DIAMOND AND RHODOLITE GARNET PENDANT NECKLACE

    Est.
    $1,500 - $3,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,500
  • PLATINUM 1.40CT DIAMOND AND RUBY RING
    Estimate
    $1,100 - $2,200

    PLATINUM 1.40CT DIAMOND AND RUBY RING

    Est.
    $1,100 - $2,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,100
  • 18K YELLOW GOLD 1.49CT DIAMOND AND RUBY FLOWER PENDANT
    Estimate
    $1,500 - $3,000

    18K YELLOW GOLD 1.49CT DIAMOND AND RUBY FLOWER PENDANT

    Est.
    $1,500 - $3,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,500
  • 18K WHITE GOLD 0.25CT DIAMOND AND SAPPHIRE RING
    Estimate
    $550 - $1,100

    18K WHITE GOLD 0.25CT DIAMOND AND SAPPHIRE RING

    Est.
    $550 - $1,100
    Robinhood Auctions
    0 Bids
    Starting Bid
    $550
  • PLATINUM 0.11CT DIAMOND AND TANZANITE NECKLACE
    Estimate
    $700 - $1,400

    PLATINUM 0.11CT DIAMOND AND TANZANITE NECKLACE

    Est.
    $700 - $1,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $700
  • 14K WHITE GOLD 0.22CT DIAMOND AND RUBY NECKLACE
    Estimate
    $450 - $900

    14K WHITE GOLD 0.22CT DIAMOND AND RUBY NECKLACE

    Est.
    $450 - $900
    Robinhood Auctions
    0 Bids
    Starting Bid
    $450
  • 14K WHITE GOLD 0.07CT DIAMOND AND EMERALD PENDANT NECKLACE
    Estimate
    $200 - $400

    14K WHITE GOLD 0.07CT DIAMOND AND EMERALD PENDANT NECKLACE

    Est.
    $200 - $400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $200
  • DAVID WEBB 18K YELLOW GOLD CORNELIAN EARRINGS
    Estimate
    $2,600 - $5,200

    DAVID WEBB 18K YELLOW GOLD CORNELIAN EARRINGS

    Est.
    $2,600 - $5,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,600
  • JACOB & CO PLATINUM 8.0CT DIAMOND AND TSAVORITE RING
    Estimate
    $7,000 - $14,000

    JACOB & CO PLATINUM 8.0CT DIAMOND AND TSAVORITE RING

    Est.
    $7,000 - $14,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $7,000
  • PLATINUM 0.55CT DIAMOND AND RUBY EARRINGS
    Estimate
    $390 - $780

    PLATINUM 0.55CT DIAMOND AND RUBY EARRINGS

    Est.
    $390 - $780
    Robinhood Auctions
    0 Bids
    Starting Bid
    $390
  • 11.50CT BRIOLETTE DIAMOND, RUBY AND JADE TASSEL EARRINGS
    Estimate
    $8,000 - $16,000

    11.50CT BRIOLETTE DIAMOND, RUBY AND JADE TASSEL EARRINGS

    Est.
    $8,000 - $16,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $8,000
  • PLATINUM 0.27CT DIAMOND AND SAPPHIRE CLIP-ON EARRINGS
    Estimate
    $750 - $1,500

    PLATINUM 0.27CT DIAMOND AND SAPPHIRE CLIP-ON EARRINGS

    Est.
    $750 - $1,500
    Robinhood Auctions
    0 Bids
    Starting Bid
    $750
  • VAN CLEEF & ARPELS 18K YELLOW GOLD CORAL FLOWER RING
    Estimate
    $3,000 - $6,000

    VAN CLEEF & ARPELS 18K YELLOW GOLD CORAL FLOWER RING

    Est.
    $3,000 - $6,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,000
  • SEIDENGANG 18K YELLOW GOLD 0.40CT DIAMOND AND CITRINE RING
    Estimate
    $2,600 - $5,200

    SEIDENGANG 18K YELLOW GOLD 0.40CT DIAMOND AND CITRINE RING

    Est.
    $2,600 - $5,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,600
  • 14K WHITE GOLD 0.13CT DIAMOND AND BLUE TOPAZ PENDANT NECKLACE
    Estimate
    $340 - $680

    14K WHITE GOLD 0.13CT DIAMOND AND BLUE TOPAZ PENDANT NECKLACE

    Est.
    $340 - $680
    Robinhood Auctions
    0 Bids
    Starting Bid
    $340
  • CHARLES KRYPELL 18K YELLOW GOLD 0.72CT DIAMOND AND RUBY CLIP-ON EARRINGS
    Estimate
    $4,200 - $8,400

    CHARLES KRYPELL 18K YELLOW GOLD 0.72CT DIAMOND AND RUBY CLIP-ON EARRINGS

    Est.
    $4,200 - $8,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,200
  • 2.95 ct. Ombre Round Cut Rainbow Women's Tennis Bracelet 7" in 14K Yellow Gold
    Estimate
    $3,275 - $4,310

    2.95 ct. Ombre Round Cut Rainbow Women's Tennis Bracelet 7" in 14K Yellow Gold

    Est.
    $3,275 - $4,310
    Jewelry of Distinction, Inc...
    0 Bids
    Starting Bid
    $1,000
  • Men's 1.50 ct. Lab Grown Diamond & Onyx Ring in 14k White Gold
    Estimate
    $2,499 - $3,399

    Men's 1.50 ct. Lab Grown Diamond & Onyx Ring in 14k White Gold

    Est.
    $2,499 - $3,399
    Jewelry of Distinction, Inc...
    1 Bid
    Current Bid
    $100
  • 14K YELLOW GOLD 0.05CT DIAMOND AND GARNET PENDANT NECKLACE
    Estimate
    $280 - $560

    14K YELLOW GOLD 0.05CT DIAMOND AND GARNET PENDANT NECKLACE

    Est.
    $280 - $560
    Robinhood Auctions
    0 Bids
    Starting Bid
    $280
  • 18K WHITE GOLD 0.75CT DIAMOND AND TURQUOISE NECKLACE
    Estimate
    $800 - $1,600

    18K WHITE GOLD 0.75CT DIAMOND AND TURQUOISE NECKLACE

    Est.
    $800 - $1,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $800
  • CHAUMET 18K YELLOW GOLD 2.0CT DIAMOND AND CITRINE BROOCH
    Estimate
    $3,300 - $6,600

    CHAUMET 18K YELLOW GOLD 2.0CT DIAMOND AND CITRINE BROOCH

    Est.
    $3,300 - $6,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,300

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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