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Welcome to Precious Lab — Japan's Leading Lab-Grown Diamond Jeweler

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  • LAB GROWN DIAMOND
    • Classic Diamonds
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    • Modern Diamonds
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    • Ready To Ship Jewelry
      • Eternity Rings
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      • Start With Setting
      • Start With A Diamond
    • Choose By Style
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415 products

  • 0.72 Ct. F Color IF Clarity Heart Shape Lab Grown Diamond - Precious Lab

    0.72 Ct. F Color IF Clarity Heart Shape Lab Grown Diamond

    0.72 Ct. F Color IF Clarity Heart Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥84,012 JPY
    Sale price ¥84,012 JPY Regular price
    Unit price /  per 
  • 0.73 Ct. D Color VVS1 Clarity Cushion Shape Lab Grown Diamond

    0.73 Ct. D Color VVS1 Clarity Cushion Shape Lab Grown Diamond

    0.73 Ct. D Color VVS1 Clarity Cushion Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥116,825 JPY
    Sale price ¥116,825 JPY Regular price
    Unit price /  per 
  • 0.73 Ct. D Color VVS2 Clarity Round Shape Lab Grown Diamond

    0.73 Ct. D Color VVS2 Clarity Round Shape Lab Grown Diamond

    0.73 Ct. D Color VVS2 Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥50,496 JPY
    Sale price ¥50,496 JPY Regular price
    Unit price /  per 
  • 0.8 Ct. D Color IF Clarity Oval Shape Lab Grown Diamond

    0.8 Ct. D Color IF Clarity Oval Shape Lab Grown Diamond

    0.8 Ct. D Color IF Clarity Oval Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥258,383 JPY
    Sale price ¥258,383 JPY Regular price
    Unit price /  per 
  • 0.9 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond - Precious Lab

    0.9 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

    0.9 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥63,091 JPY
    Sale price ¥63,091 JPY Regular price
    Unit price /  per 
  • 0.9 Ct. I Color VVS2 Clarity Marquise Shape Lab Grown Diamond - Precious Lab

    0.9 Ct. I Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    0.9 Ct. I Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥78,257 JPY
    Sale price ¥78,257 JPY Regular price
    Unit price /  per 
  • 0.96 Ct. E Color VS2 Clarity Emerald Shape Lab Grown Diamond

    0.96 Ct. E Color VS2 Clarity Emerald Shape Lab Grown Diamond

    0.96 Ct. E Color VS2 Clarity Emerald Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥67,912 JPY
    Sale price ¥67,912 JPY Regular price
    Unit price /  per 
  • 1.0 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

    1.0 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

    1.0 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥122,083 JPY
    Sale price ¥122,083 JPY Regular price
    Unit price /  per 
  • 1.0 Ct. D Color VVS2 Clarity Cushion Shape Lab Grown Diamond

    1.0 Ct. D Color VVS2 Clarity Cushion Shape Lab Grown Diamond

    1.0 Ct. D Color VVS2 Clarity Cushion Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥76,593 JPY
    Sale price ¥76,593 JPY Regular price
    Unit price /  per 
  • 1.01 Ct. E Color VVS2 Clarity Oval Shape Lab Grown Diamond

    1.01 Ct. E Color VVS2 Clarity Oval Shape Lab Grown Diamond

    1.01 Ct. E Color VVS2 Clarity Oval Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥90,342 JPY
    Sale price ¥90,342 JPY Regular price
    Unit price /  per 
  • 1.01 Ct. F Color VVS2 Clarity Oval Shape Lab Grown Diamond

    1.01 Ct. F Color VVS2 Clarity Oval Shape Lab Grown Diamond

    1.01 Ct. F Color VVS2 Clarity Oval Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥75,631 JPY
    Sale price ¥75,631 JPY Regular price
    Unit price /  per 
  • 1.02 Ct. E Color SI1 Clarity Round Shape Lab Grown Diamond

    1.02 Ct. E Color SI1 Clarity Round Shape Lab Grown Diamond

    1.02 Ct. E Color SI1 Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥60,557 JPY
    Sale price ¥60,557 JPY Regular price
    Unit price /  per 
  • 1.03 Ct. E Color IF Clarity Round Shape Lab Grown Diamond

    1.03 Ct. E Color IF Clarity Round Shape Lab Grown Diamond

    1.03 Ct. E Color IF Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥99,880 JPY
    Sale price ¥99,880 JPY Regular price
    Unit price /  per 
  • 1.03 Ct. H Color VS2 Clarity Emerald Shape Lab Grown Diamond - Precious Lab

    1.03 Ct. H Color VS2 Clarity Emerald Shape Lab Grown Diamond

    1.03 Ct. H Color VS2 Clarity Emerald Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥72,832 JPY
    Sale price ¥72,832 JPY Regular price
    Unit price /  per 
  • 1.04 Ct. G Color VVS2 Clarity Radiant Shape Lab Grown Diamond

    1.04 Ct. G Color VVS2 Clarity Radiant Shape Lab Grown Diamond

    1.04 Ct. G Color VVS2 Clarity Radiant Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥64,469 JPY
    Sale price ¥64,469 JPY Regular price
    Unit price /  per 
  • 1.04 Ct. H Color VS1 Clarity Radiant Shape Lab Grown Diamond

    1.04 Ct. H Color VS1 Clarity Radiant Shape Lab Grown Diamond

    1.04 Ct. H Color VS1 Clarity Radiant Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥62,062 JPY
    Sale price ¥62,062 JPY Regular price
    Unit price /  per 
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