Round Cut Loose Diamond

A rough diamond can be found in a range of shapes and sizes as it is mined to manufacture the finest diamonds. One of the most popular outcomes of such a rough gemstone is its round shape. Round diamonds are one of the most common and traditional diamonds provided as a symbol of commitment. They are renowned as an excellent cut as they have a standard uniform and proportional structure having 58 facets. Due to the faceting, hues and inclusions look better in vintage and antique round cut diamonds rather than in any other shapes.

Round cut diamonds are extremely adored and they account for more than half of all diamond transactions around the world. Since round diamonds are one of the most common, producers and providers seem to charge a premium as they are in high demand. There are different colors and clarity grades that will have an outstanding effect on the diamond’s illumination. A round diamond's ideal cut offers immense brilliance than any other form.

Such a cut of a diamond is the most popular diamond with a perfect shape, clarity, and color, are the highlight of today’s auction sales. Bidsquare offers a wide variety of vintage and antique round-cut diamonds at online auction. You can explore the sparkling and gorgeous round cut diamonds on sale at Bidsquare that elegantly complement your whole look.

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  • 2.26 ct, Color D/IF, Round cut GIA Graded Diamond
    Estimate
    $41,000 - $48,000

    2.26 ct, Color D/IF, Round cut GIA Graded Diamond

    Est.
    $41,000 - $48,000
    Pink Lady Auctions
    0 Bids
    Starting Bid
    $30,000
  • 3.01 ct, Color E/VVS2, Round cut GIA Graded Diamond
    Estimate
    $66,000 - $76,000

    3.01 ct, Color E/VVS2, Round cut GIA Graded Diamond

    Est.
    $66,000 - $76,000
    Pink Lady Auctions
    0 Bids
    Starting Bid
    $48,000
  • 2.01 ct, Color D/IF, Type IIA Round cut GIA Graded Diamond
    Estimate
    $54,000 - $63,000

    2.01 ct, Color D/IF, Type IIA Round cut GIA Graded Diam...

    Est.
    $54,000 - $63,000
    Pink Lady Auctions
    0 Bids
    Starting Bid
    $40,000
  • 2.00 ct, Color G/VS1, Round cut GIA Graded Diamond
    Estimate
    $17,000 - $21,000

    2.00 ct, Color G/VS1, Round cut GIA Graded Diamond

    Est.
    $17,000 - $21,000
    Pink Lady Auctions
    0 Bids
    Starting Bid
    $13,000
  • 5.88 ct, Color E/VVS1, Round cut GIA Graded Diamond
    Estimate
    $253,000 - $290,000

    5.88 ct, Color E/VVS1, Round cut GIA Graded Diamond

    Est.
    $253,000 - $290,000
    Pink Lady Auctions
    0 Bids
    Starting Bid
    $190,000
  • 5.02 ct, Color D/VVS1, Round cut GIA Graded Diamond
    Estimate
    $259,000 - $297,000

    5.02 ct, Color D/VVS1, Round cut GIA Graded Diamond

    Est.
    $259,000 - $297,000
    Pink Lady Auctions
    0 Bids
    Starting Bid
    $190,000
  • Natural 1 ct, Color G/SI3 GIA Graded Diamond
    Estimate
    $3,200 - $6,400

    Natural 1 ct, Color G/SI3 GIA Graded Diamond

    Est.
    $3,200 - $6,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,200
  • Natural 1.31 ct, Color M/SI2 GIA Graded Diamond
    Estimate
    $2,000 - $4,000

    Natural 1.31 ct, Color M/SI2 GIA Graded Diamond

    Est.
    $2,000 - $4,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,000
  • Natural 1 ct, Color G/SI2 GIA Graded Diamond
    Estimate
    $3,200 - $6,400

    Natural 1 ct, Color G/SI2 GIA Graded Diamond

    Est.
    $3,200 - $6,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,200
  • Lab Grown 1.51 ct, Color D/VS1 DSL Graded Diamond
    Estimate
    $750 - $1,500

    Lab Grown 1.51 ct, Color D/VS1 DSL Graded Diamond

    Est.
    $750 - $1,500
    Robinhood Auctions
    0 Bids
    Starting Bid
    $750
  • Natural 3.71 ct, Color K/VS1 IGI Graded Diamond
    Estimate
    $24,000 - $48,000

    Natural 3.71 ct, Color K/VS1 IGI Graded Diamond

    Est.
    $24,000 - $48,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $24,000
  • Lab Grown 1.23 ct, Color D/VS1 DSL Graded Diamond
    Estimate
    $600 - $1,200

    Lab Grown 1.23 ct, Color D/VS1 DSL Graded Diamond

    Est.
    $600 - $1,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $600
  • Natural 1.5 ct, Color G/SI1 GIA Graded Diamond
    Estimate
    $8,000 - $16,000

    Natural 1.5 ct, Color G/SI1 GIA Graded Diamond

    Est.
    $8,000 - $16,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $8,000
  • Natural 1.31 ct, Color M/SI2 GIA Graded Diamond
    Estimate
    $3,300 - $6,600

    Natural 1.31 ct, Color M/SI2 GIA Graded Diamond

    Est.
    $3,300 - $6,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,300
  • Natural 0.72 ct, Color G/VVS2 GIA Graded Diamond
    Estimate
    $2,200 - $4,400

    Natural 0.72 ct, Color G/VVS2 GIA Graded Diamond

    Est.
    $2,200 - $4,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,200
  • Natural 1.01 ct, Color G/VS1 GIA Graded Diamond
    Estimate
    $5,500 - $11,000

    Natural 1.01 ct, Color G/VS1 GIA Graded Diamond

    Est.
    $5,500 - $11,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $5,500
  • Natural 0.5 ct, Color G/SI2 GIA Graded Diamond
    Estimate
    $650 - $1,300

    Natural 0.5 ct, Color G/SI2 GIA Graded Diamond

    Est.
    $650 - $1,300
    Robinhood Auctions
    0 Bids
    Starting Bid
    $650
  • Natural 1.01 ct, Color K/SI3 GIA Graded Diamond
    Estimate
    $1,800 - $3,600

    Natural 1.01 ct, Color K/SI3 GIA Graded Diamond

    Est.
    $1,800 - $3,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,800
  • Natural 0.8 ct, Color E/VS2 GIA Graded Diamond
    Estimate
    $2,400 - $4,800

    Natural 0.8 ct, Color E/VS2 GIA Graded Diamond

    Est.
    $2,400 - $4,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $2,400
  • Natural 1.5 ct, Color I/SI2 GIA Graded Diamond
    Estimate
    $6,000 - $12,000

    Natural 1.5 ct, Color I/SI2 GIA Graded Diamond

    Est.
    $6,000 - $12,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $6,000
  • Natural 1.04 ct, Color D/SI2 GIA Graded Diamond
    Estimate
    $4,000 - $8,000

    Natural 1.04 ct, Color D/SI2 GIA Graded Diamond

    Est.
    $4,000 - $8,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,000
  • Natural 1.51 ct, Color F/SI1 GIA Graded Diamond
    Estimate
    $9,000 - $18,000

    Natural 1.51 ct, Color F/SI1 GIA Graded Diamond

    Est.
    $9,000 - $18,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $9,000
  • Natural 0.81 ct, Color I/VS2 GIA Graded Diamond
    Estimate
    $1,700 - $3,400

    Natural 0.81 ct, Color I/VS2 GIA Graded Diamond

    Est.
    $1,700 - $3,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,700
  • Lab Grown 3.22 ct, Color E/VS1 IGI Graded Diamond
    Estimate
    $1,600 - $3,200

    Lab Grown 3.22 ct, Color E/VS1 IGI Graded Diamond

    Est.
    $1,600 - $3,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,600
  • Lab Grown 3.25 ct, Color F/VS1 IGI Graded Diamond
    Estimate
    $900 - $1,800

    Lab Grown 3.25 ct, Color F/VS1 IGI Graded Diamond

    Est.
    $900 - $1,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $900
  • Lab Grown 3.52 ct, Color F/VS1 IGI Graded Diamond
    Estimate
    $1,700 - $3,400

    Lab Grown 3.52 ct, Color F/VS1 IGI Graded Diamond

    Est.
    $1,700 - $3,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,700
  • Natural 1.5 ct, Color L/VS1 GIA Graded Diamond
    Estimate
    $4,800 - $9,600

    Natural 1.5 ct, Color L/VS1 GIA Graded Diamond

    Est.
    $4,800 - $9,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $4,800
  • Lab Grown 1.1 ct, Color G/VVS2 IGI Graded Diamond
    Estimate
    $340 - $680

    Lab Grown 1.1 ct, Color G/VVS2 IGI Graded Diamond

    Est.
    $340 - $680
    Robinhood Auctions
    0 Bids
    Starting Bid
    $340
  • Lab Grown 3.25 ct, Color E/VS1 IGI Graded Diamond
    Estimate
    $1,400 - $2,800

    Lab Grown 3.25 ct, Color E/VS1 IGI Graded Diamond

    Est.
    $1,400 - $2,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,400
  • Lab Grown 1.95 ct, Color E/VVS2 IGI Graded Diamond
    Estimate
    $950 - $1,900

    Lab Grown 1.95 ct, Color E/VVS2 IGI Graded Diamond

    Est.
    $950 - $1,900
    Robinhood Auctions
    0 Bids
    Starting Bid
    $950
  • Natural 0.9 ct, Color E/SI1 GIA Graded Diamond
    Estimate
    $3,000 - $6,000

    Natural 0.9 ct, Color E/SI1 GIA Graded Diamond

    Est.
    $3,000 - $6,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,000
  • Natural 2.02 ct, Color L/VS2 GIA Graded Diamond
    Estimate
    $7,500 - $15,000

    Natural 2.02 ct, Color L/VS2 GIA Graded Diamond

    Est.
    $7,500 - $15,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $7,500
  • Natural 0.51 ct, Color J/VS1 GIA Graded Diamond
    Estimate
    $750 - $1,500

    Natural 0.51 ct, Color J/VS1 GIA Graded Diamond

    Est.
    $750 - $1,500
    Robinhood Auctions
    0 Bids
    Starting Bid
    $750
  • Natural 0.9 ct, Color G/VS1 GIA Graded Diamond
    Estimate
    $3,300 - $6,600

    Natural 0.9 ct, Color G/VS1 GIA Graded Diamond

    Est.
    $3,300 - $6,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,300
  • Natural 1.5 ct, Color K/VVS2 GIA Graded Diamond
    Estimate
    $6,000 - $12,000

    Natural 1.5 ct, Color K/VVS2 GIA Graded Diamond

    Est.
    $6,000 - $12,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $6,000
  • Lab Grown 7.06 ct, Color F/VS1 IGI Graded Diamond
    Estimate
    $5,500 - $11,000

    Lab Grown 7.06 ct, Color F/VS1 IGI Graded Diamond

    Est.
    $5,500 - $11,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $5,500
  • Lab Grown 2.25 ct, Color E/VS1 IGI Graded Diamond
    Estimate
    $550 - $1,100

    Lab Grown 2.25 ct, Color E/VS1 IGI Graded Diamond

    Est.
    $550 - $1,100
    Robinhood Auctions
    0 Bids
    Starting Bid
    $550
  • Natural 0.95 ct, Color H/SI2 GIA Graded Diamond
    Estimate
    $1,900 - $3,800

    Natural 0.95 ct, Color H/SI2 GIA Graded Diamond

    Est.
    $1,900 - $3,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,900
  • Lab Grown 3.02 ct, Color E/VS1 IGI Graded Diamond
    Estimate
    $1,100 - $2,200

    Lab Grown 3.02 ct, Color E/VS1 IGI Graded Diamond

    Est.
    $1,100 - $2,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,100
  • Lab Grown 3.09 ct, Color E/VVS2 IGI Graded Diamond
    Estimate
    $1,200 - $2,400

    Lab Grown 3.09 ct, Color E/VVS2 IGI Graded Diamond

    Est.
    $1,200 - $2,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,200
  • Lab Grown 5.09 ct, Color D/VS1 IGI Graded Diamond
    Estimate
    $3,000 - $6,000

    Lab Grown 5.09 ct, Color D/VS1 IGI Graded Diamond

    Est.
    $3,000 - $6,000
    Robinhood Auctions
    0 Bids
    Starting Bid
    $3,000
  • Lab Grown 3.09 ct, Color E/VVS2 IGI Graded Diamond
    Estimate
    $1,200 - $2,400

    Lab Grown 3.09 ct, Color E/VVS2 IGI Graded Diamond

    Est.
    $1,200 - $2,400
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,200
  • Lab Grown 3 ct, Color E/VVS2 IGI Graded Diamond
    Estimate
    $1,100 - $2,200

    Lab Grown 3 ct, Color E/VVS2 IGI Graded Diamond

    Est.
    $1,100 - $2,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,100
  • Lab Grown 3.66 ct, Color E/VS1 IGI Graded Diamond
    Estimate
    $1,900 - $3,800

    Lab Grown 3.66 ct, Color E/VS1 IGI Graded Diamond

    Est.
    $1,900 - $3,800
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,900
  • Lab Grown 1.15 ct, Color H/VVS2 IGI Graded Diamond
    Estimate
    $360 - $720

    Lab Grown 1.15 ct, Color H/VVS2 IGI Graded Diamond

    Est.
    $360 - $720
    Robinhood Auctions
    0 Bids
    Starting Bid
    $360
  • Lab Grown 3.03 ct, Color E/VS1 IGI Graded Diamond
    Estimate
    $1,100 - $2,200

    Lab Grown 3.03 ct, Color E/VS1 IGI Graded Diamond

    Est.
    $1,100 - $2,200
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,100
  • Lab Grown 3.31 ct, Color G/VS2 IGI Graded Diamond
    Estimate
    $1,300 - $2,600

    Lab Grown 3.31 ct, Color G/VS2 IGI Graded Diamond

    Est.
    $1,300 - $2,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,300
  • Lab Grown 3.05 ct, Color F/VS1 GIA Graded Diamond
    Estimate
    $1,300 - $2,600

    Lab Grown 3.05 ct, Color F/VS1 GIA Graded Diamond

    Est.
    $1,300 - $2,600
    Robinhood Auctions
    0 Bids
    Starting Bid
    $1,300