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

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Welcome to the fine world of Lab Grown Jewelry. Browse All Our Ring Designs.

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314 products

  • 1.12 Ct. E Color VVS1 Clarity Emerald Shape Lab Grown Diamond - Precious Lab

    1.12 Ct. E Color VVS1 Clarity Emerald Shape Lab Grown Diamond

    1.12 Ct. E Color VVS1 Clarity Emerald Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥94,855 JPY
    Sale price ¥94,855 JPY Regular price
    Unit price /  per 
  • 1.19 Ct. D Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    1.19 Ct. D Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    1.19 Ct. D Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥90,950 JPY
    Sale price ¥90,950 JPY Regular price
    Unit price /  per 
  • 1.4 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond - Precious Lab

    1.4 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond

    1.4 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥110,144 JPY
    Sale price ¥110,144 JPY Regular price
    Unit price /  per 
  • 1.53 Ct. E Color SI1 Clarity Round Shape Lab Grown Diamond

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

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

    Vendor:
    Precious Lab
    Regular price ¥86,925 JPY
    Sale price ¥86,925 JPY Regular price
    Unit price /  per 
  • 1.56 Ct. E Color VVS1 Clarity Marquise Shape Lab Grown Diamond

    1.56 Ct. E Color VVS1 Clarity Marquise Shape Lab Grown Diamond

    1.56 Ct. E Color VVS1 Clarity Marquise Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥129,575 JPY
    Sale price ¥129,575 JPY Regular price
    Unit price /  per 
  • 1.95 Ct. E Color VS1 Clarity Pear Shape Lab Grown Diamond

    1.95 Ct. E Color VS1 Clarity Pear Shape Lab Grown Diamond

    1.95 Ct. E Color VS1 Clarity Pear Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥136,656 JPY
    Sale price ¥136,656 JPY Regular price
    Unit price /  per 
  • 2.0 Ct. D Color VVS2 Clarity Round Shape Lab Grown Diamond

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

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

    Vendor:
    Precious Lab
    Regular price ¥169,750 JPY
    Sale price ¥169,750 JPY Regular price
    Unit price /  per 
  • 2.01 Ct. E Color VVS2 Clarity Round Shape Lab Grown Diamond

    2.01 Ct. E Color VVS2 Clarity Round Shape Lab Grown Diamond

    2.01 Ct. E Color VVS2 Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥151,635 JPY
    Sale price ¥151,635 JPY Regular price
    Unit price /  per 
  • 2.01 Ct. G Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    2.01 Ct. G Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    2.01 Ct. G Color VVS2 Clarity Marquise Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥127,073 JPY
    Sale price ¥127,073 JPY Regular price
    Unit price /  per 
  • 2.11 Ct. E Color VS1 Clarity Radiant Shape Lab Grown Diamond

    2.11 Ct. E Color VS1 Clarity Radiant Shape Lab Grown Diamond

    2.11 Ct. E Color VS1 Clarity Radiant Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥122,283 JPY
    Sale price ¥122,283 JPY Regular price
    Unit price /  per 
  • 2.17 Ct. E Color VVS1 Clarity Emerald Shape Lab Grown Diamond - Precious Lab

    2.17 Ct. E Color VVS1 Clarity Emerald Shape Lab Grown Diamond

    2.17 Ct. E Color VVS1 Clarity Emerald Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥274,260 JPY
    Sale price ¥274,260 JPY Regular price
    Unit price /  per 
  • 3.01 Ct. F Color SI1 Clarity Pear Shape Lab Grown Diamond

    3.01 Ct. F Color SI1 Clarity Pear Shape Lab Grown Diamond

    3.01 Ct. F Color SI1 Clarity Pear Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥193,076 JPY
    Sale price ¥193,076 JPY Regular price
    Unit price /  per 
  • 3.11 Ct. E Color SI1 Clarity Round Shape Lab Grown Diamond

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

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

    Vendor:
    Precious Lab
    Regular price ¥121,786 JPY
    Sale price ¥121,786 JPY Regular price
    Unit price /  per 
  • 4.07 Ct. D Color VVS1 Clarity Asscher Shape Lab Grown Diamond

    4.07 Ct. D Color VVS1 Clarity Asscher Shape Lab Grown Diamond

    4.07 Ct. D Color VVS1 Clarity Asscher Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥1,870,966 JPY
    Sale price ¥1,870,966 JPY Regular price
    Unit price /  per 
  • 4.51 Ct. E Color VVS1 Clarity Round Shape Lab Grown Diamond

    4.51 Ct. E Color VVS1 Clarity Round Shape Lab Grown Diamond

    4.51 Ct. E Color VVS1 Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥590,049 JPY
    Sale price ¥590,049 JPY Regular price
    Unit price /  per 
  • 7.03 Ct. E Color VVS1 Clarity Round Shape Lab Grown Diamond

    7.03 Ct. E Color VVS1 Clarity Round Shape Lab Grown Diamond

    7.03 Ct. E Color VVS1 Clarity Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥1,286,954 JPY
    Sale price ¥1,286,954 JPY Regular price
    Unit price /  per 
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