Lab-Grown Loose ¾ct. Round Brilliant Diamond | White - #Lightbox Jewelry#
Lab-Grown Loose ¾ct. Round Brilliant Diamond | White - #Lightbox Jewelry#

    Lab-Grown Loose ¾ct. Round Brilliant Diamond

    Sale price Regular price $450

    Carat Weight

    Carat Weight guide

    The total weight of our products may vary, so please see the table below for more information about the carat weights we offer on stones:

     

    Round Brilliant Stones

    Carat Weight Min Carat Weight Max Carat Weight Diameter Girdle (approx. min. in mm) Diameter Girdle (approx. max. in mm)
    1/2 0.48 0.53 5.01 5.21
    3/4 0.71 0.79 5.75 5.95
    1 0.95 1.05 6.24 6.64
    1 1/2 1.40 1.50 7.06 7.46
    1 3/4 1.70 1.80 7.45 7.85
    2 1.95 2.10 7.80 8.20
    2 1/2 2.45 2.63 8.55 8.95

     

     Princess Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1/2 0.48 0.53 4.20 4.20
    5/9 0.53 0.58 4.42 4.42
    5/8 0.59 0.66 4.60 4.60
    3/4 0.71 0.79 4.92 4.92
    7/8 0.83 0.92 5.17 5.17
    1 0.95 1.05 5.41 5.41
    1 1/8 1.07 1.18 6.02 6.02
    2 2.45 2.63 7.02 7.02
    2 1/2 2.95 3.15 7.35 7.35
    3 2.95 3.15 7.85 7.85

     

    Cushion Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1/2 0.48 0.53 4.42 4.42
    5/8 0.59 0.66 4.77 4.77
    3/4 0.71 0.79 5.07 5.07
    7/8 0.83 0.92 5.34 5.34
    1 0.95 1.05 5.58 5.58
    2 1.95 2.10 7.25 7.25
    2 1/2 2.45 2.63 7.80 7.80
    3 2.95 3.15 8.35 8.35

     

    Emerald Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1 0.95 1.05 6.70 4.85
    2 1.95 2.10 8.40 6.10

     

    Oval Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1 0.95 1.05 8.03 5.73
    1 1/2 1.46 1.58 8.95 6.45
    2 1.95 2.10 9.80 7.15

     

    Asscher Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    2 1.95 2.10 7.00 6.90
    2 1/2 2.45 2.63 7.52 7.42
    2.95 3.15 8.05 7.92

    Baguette Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1/4 0.24 0.26 4.30 2.90
    1/2 0.48 0.53 5.34 5.56

     

    Trillion Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1/4 0.24 0.26 4.50 4.50

     

    Heart Cut Stones

    Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
    1/4 0.24 0.26 4.20 4.20
     
    Color Grade
    Clarity Grade
    Cut Grade

    Note: loose stones only ship to select locations.

    Grown with 100% renewable energy

    Free shipping

    Quality guarantee

    30 day returns

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    Lab-Grown Loose ¾ct. Round Brilliant Diamond | White - #Lightbox Jewelry# Lab-Grown Loose ¾ct. Round Brilliant Diamond | White - #Lightbox Jewelry#
    Lab-Grown Loose ¾ct. Round Brilliant Diamond | White - #Lightbox Jewelry# Lab-Grown Loose ¾ct. Round Brilliant Diamond | White - #Lightbox Jewelry#

      Our quality

      VG+
      Cut

      VG+

      We grow our stones at the optimal size and shape for cutting, maximizing their exceptional brilliance and fire.

      VS+
      Clarity

      VS+

      Our stones have minor inclusions that cannot be seen by the naked eye, and are difficult to see at 10x magnification.

      Near Colorless
      Color

      Near Colorless

      Technically defined as between G and J and means that only a trained gemologist can detect a trace of color.

      The Lightbox Lab

      The Lightbox Lab

      We grow our diamonds at our Lightbox Lab in Portland, Oregon using 100% renewable wind energy.

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      Science Behind The Sparkle

      Science Behind The Sparkle

      Our cutting-edge technology can grow a one carat lab-grown diamond in about two weeks.

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