499 Results
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  • 12.59 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $4,300 - $5,800

    12.59 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $4,300 - $5,800
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,000
  • 10.22 carat diamond pair, Princess cut Diamonds IGI Graded
    Estimate
    $4,000 - $5,400

    10.22 carat diamond pair, Princess cut Diamonds IGI Graded

    Est.
    $4,000 - $5,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
  • 3.04 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $2,000 - $2,800

    3.04 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $2,000 - $2,800
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,400
  • 6.48 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $3,000 - $4,200

    6.48 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $3,000 - $4,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
  • 7.57 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $3,000 - $4,200

    7.57 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $3,000 - $4,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
  • 7.16 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $3,000 - $4,100

    7.16 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $3,000 - $4,100
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
  • 11.49 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $3,900 - $5,300

    11.49 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $3,900 - $5,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
  • 10.37 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $6,400 - $8,600

    10.37 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $6,400 - $8,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,400
  • 10.38 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $3,800 - $5,200

    10.38 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $3,800 - $5,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,600
  • 8.25 carat diamond pair, Emerald cut Diamonds IGI Graded
    Estimate
    $6,100 - $8,200

    8.25 carat diamond pair, Emerald cut Diamonds IGI Graded

    Est.
    $6,100 - $8,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,200
  • 8.65 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $3,300 - $4,500

    8.65 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $3,300 - $4,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
  • 6.63 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $3,100 - $4,200

    6.63 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $3,100 - $4,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
  • 3.28 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $2,000 - $2,800

    3.28 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $2,000 - $2,800
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,400
  • 6.79 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $2,900 - $4,000

    6.79 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $2,900 - $4,000
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,000
  • 6.21 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $2,700 - $3,700

    6.21 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $2,700 - $3,700
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,900
  • 3.34 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $2,100 - $2,900

    3.34 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $2,100 - $2,900
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,500
  • 8.12 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $4,100 - $5,600

    8.12 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $4,100 - $5,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
  • 11.32 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $3,900 - $5,300

    11.32 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $3,900 - $5,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
  • 6.42 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $3,000 - $4,200

    6.42 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $3,000 - $4,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,200
  • 3.06 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $2,100 - $2,900

    3.06 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $2,100 - $2,900
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,500
  • 10.39 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $6,500 - $8,800

    10.39 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $6,500 - $8,800
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,400
  • 3.24 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $2,000 - $2,800

    3.24 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $2,000 - $2,800
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,400
  • 6.01 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $4,000 - $5,400

    6.01 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $4,000 - $5,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
  • 6.22 carat diamond pair, Oval cut Diamonds IGI Graded
    Estimate
    $6,000 - $8,100

    6.22 carat diamond pair, Oval cut Diamonds IGI Graded

    Est.
    $6,000 - $8,100
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $4,200
  • 7.37 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $4,700 - $6,400

    7.37 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $4,700 - $6,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,200
  • 8.15 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $3,300 - $4,500

    8.15 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $3,300 - $4,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
  • 5.40 carat diamond pair, Cushion cut Diamonds IGI Graded
    Estimate
    $5,500 - $7,500

    5.40 carat diamond pair, Cushion cut Diamonds IGI Graded

    Est.
    $5,500 - $7,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,800
  • 6.61 carat diamond pair, Emerald cut Diamonds IGI Graded
    Estimate
    $3,400 - $4,700

    6.61 carat diamond pair, Emerald cut Diamonds IGI Graded

    Est.
    $3,400 - $4,700
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
  • 3.28 carat diamond pair, Emerald cut Diamonds IGI Graded
    Estimate
    $2,000 - $2,700

    3.28 carat diamond pair, Emerald cut Diamonds IGI Graded

    Est.
    $2,000 - $2,700
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,400
  • 15.78 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $14,600 - $19,500

    15.78 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $14,600 - $19,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $10,000
  • 5.88 carat diamond pair, Round cut Diamonds IGI Graded
    Estimate
    $2,600 - $3,600

    5.88 carat diamond pair, Round cut Diamonds IGI Graded

    Est.
    $2,600 - $3,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,800
  • 3.33 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $2,300 - $3,200

    3.33 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $2,300 - $3,200
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,600
  • 8.92 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $3,400 - $4,600

    8.92 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $3,400 - $4,600
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,400
  • 11.41 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $3,900 - $5,400

    11.41 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $3,900 - $5,400
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $2,800
  • 3.09 carat diamond pair, Pear cut Diamonds IGI Graded
    Estimate
    $2,300 - $3,100

    3.09 carat diamond pair, Pear cut Diamonds IGI Graded

    Est.
    $2,300 - $3,100
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,600
  • 18kt White Gold 12ct Blue Sapphire Diamond Bracelet
    Estimate
    $12,300 - $15,300

    18kt White Gold 12ct Blue Sapphire Diamond Bracelet

    Est.
    $12,300 - $15,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $7,500
  • 14kt White Gold 26.43ct Ruby And Round Diamond Fancy Bracelet
    Estimate
    $14,700 - $18,300

    14kt White Gold 26.43ct Ruby And Round Diamond Fancy Bracelet

    Est.
    $14,700 - $18,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $9,000
  • 14kt White Gold 17.68ct Blue Sapphire And Diamond Tennis Bracelet
    Estimate
    $11,300 - $14,000

    14kt White Gold 17.68ct Blue Sapphire And Diamond Tennis Bracelet

    Est.
    $11,300 - $14,000
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $7,000
  • 12.77 ct. (IGI) Emerald Cut Lab Grown Columbian Emerald
    Estimate
    $5,200 - $7,100

    12.77 ct. (IGI) Emerald Cut Lab Grown Columbian Emerald

    Est.
    $5,200 - $7,100
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,400
  • 13.14 ct. (IGI) Emerald Cut Lab Grown Columbian Emerald
    Estimate
    $5,400 - $7,300

    13.14 ct. (IGI) Emerald Cut Lab Grown Columbian Emerald

    Est.
    $5,400 - $7,300
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,600
  • 14 Kt White Gold 28.4 ct Heart cut & Fancy Blue and Pink Diamond Necklace
    Estimate
    $41,600 - $51,500

    14 Kt White Gold 28.4 ct Heart cut & Fancy Blue and Pink Diamond Necklace

    Est.
    $41,600 - $51,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $26,000
  • 12.11 ct. (IGI) Emerald Cut Lab Grown Columbian Emerald
    Estimate
    $5,000 - $6,700

    12.11 ct. (IGI) Emerald Cut Lab Grown Columbian Emerald

    Est.
    $5,000 - $6,700
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $3,200
  • 3.85 ct. (IGI) Cushion Mixed Cut Lab Grown Alexandrite
    Estimate
    $1,300 - $1,900

    3.85 ct. (IGI) Cushion Mixed Cut Lab Grown Alexandrite

    Est.
    $1,300 - $1,900
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $900
  • 18 White Gold 5.3ct Fancy Intense Blue Diamond Halo Engagement Ring
    Estimate
    $11,000 - $13,700

    18 White Gold 5.3ct Fancy Intense Blue Diamond Halo Engagement Ring

    Est.
    $11,000 - $13,700
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $7,000
  • Platinum 14ct White And Fancy Blue Triple Emerald cut Diamond Ring
    Estimate
    $10,000 - $13,000

    Platinum 14ct White And Fancy Blue Triple Emerald cut Diamond Ring

    Est.
    $10,000 - $13,000
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $6,000
  • 14kt White Gold 4.8ct White And Cosmic Blue Sapphire Cocktail Ring
    Estimate
    $8,400 - $10,500

    14kt White Gold 4.8ct White And Cosmic Blue Sapphire Cocktail Ring

    Est.
    $8,400 - $10,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $5,000
  • 14kt 2-Tone Gold 5.8ct Two Tone Fancy Yellow Radiant And Pear cut Diamond Eternity Band
    Estimate
    $8,800 - $11,000

    14kt 2-Tone Gold 5.8ct Two Tone Fancy Yellow Radiant And Pear cut Diamond Eternity Band

    Est.
    $8,800 - $11,000
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $5,500
  • 11.01 ct. (IGI) Oval Mixed Cut Lab Grown Pink Sapphire
    Estimate
    $2,500 - $3,500

    11.01 ct. (IGI) Oval Mixed Cut Lab Grown Pink Sapphire

    Est.
    $2,500 - $3,500
    Lab Grown Auctions
    0 Bids
    Starting Bid
    $1,700

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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