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

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  • LAB GROWN DIAMOND
    • Classic Diamonds
      • Round
      • Oval
      • Pear
      • Princess
      • Emerald
    • Modern Diamonds
      • Marquise
      • Asscher
      • Cushion
      • Heart
      • Radiant
    • Ready To Ship Jewelry
      • Eternity Rings
      • Anniversary Rings
      • Diamond Studs
      • Diamond Pendants
      • Tennis Bracelets
  • ENGAGEMENT RING
    • Design Your Own Ring
      • Start With Setting
      • Start With A Diamond
    • Choose By Style
      • Solitaire
      • Halo
      • Three Stone
      • Pave
      • Unique
    • Preset Engagement Rings
      • Round Cut Rings
      • Solitaire Rings
      • Pave Rings
      • Halo Rings
      • Shop All
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      • White Gold
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  • JEWELRY
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Welcome to the fine world of Lab Grown Jewelry. Browse All Our Ring Designs.

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415 products

  • Carina Solitaire Diamond Ring With 4.03 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Carina Solitaire Diamond Ring With 4.03 Ct. Round Shape Lab Grown Diamond

    Carina Solitaire Diamond Ring With 4.03 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥485,325 JPY
    Sale price ¥485,325 JPY Regular price
    Unit price /  per 
  • Carina Solitaire Diamond Ring With 4.06 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Carina Solitaire Diamond Ring With 4.06 Ct. Round Shape Lab Grown Diamond

    Carina Solitaire Diamond Ring With 4.06 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥581,795 JPY
    Sale price ¥581,795 JPY Regular price
    Unit price /  per 
  • Carina Solitaire Diamond Ring With 4.59 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Carina Solitaire Diamond Ring With 4.59 Ct. Round Shape Lab Grown Diamond

    Carina Solitaire Diamond Ring With 4.59 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥294,411 JPY
    Sale price ¥294,411 JPY Regular price
    Unit price /  per 
  • Carina Solitaire Diamond Ring With 5.14 Ct. Oval Shape Lab Grown Diamond - Precious Lab

    Carina Solitaire Diamond Ring With 5.14 Ct. Oval Shape Lab Grown Diamond

    Carina Solitaire Diamond Ring With 5.14 Ct. Oval Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥602,562 JPY
    Sale price ¥602,562 JPY Regular price
    Unit price /  per 
  • white gold

    Cathedral Twist Pave 1ct Preset Diamond Ring

    Cathedral Twist Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥187,000 JPY
    Sale price ¥187,000 JPY Regular price
    Unit price /  per 
  • white gold

    Cathedral Twist Pave Diamond Ring

    Cathedral Twist Pave Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥121,000 JPY
    Sale price ¥121,000 JPY Regular price
    Unit price /  per 
  • Cathedral Twist Pave Diamond Ring With 1.6 Ct. Emerald Shape Lab Grown Diamond

    Cathedral Twist Pave Diamond Ring With 1.6 Ct. Emerald Shape Lab Grown Diamond

    Cathedral Twist Pave Diamond Ring With 1.6 Ct. Emerald Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥267,713 JPY
    Sale price ¥267,713 JPY Regular price
    Unit price /  per 
  • Cathedral Twist Pave Diamond Ring With 1.7 Ct. Round Shape Lab Grown Diamond (Certificate No: 683550027)

    Cathedral Twist Pave Diamond Ring With 1.7 Ct. Round Shape Lab Grown Diamond (Certificate No: 683550027)

    Cathedral Twist Pave Diamond Ring With 1.7 Ct. Round Shape Lab Grown Diamond (Certificate No: 683550027)

    Vendor:
    Precious Lab
    Regular price ¥233,575 JPY
    Sale price ¥233,575 JPY Regular price
    Unit price /  per 
  • Cathedral Twist Pave Diamond Ring With 1.7 Ct. Round Shape Lab Grown Diamond (Certificate No: 683550027)

    Cathedral Twist Pave Diamond Ring With 1.7 Ct. Round Shape Lab Grown Diamond (Certificate No: 683550027)

    Cathedral Twist Pave Diamond Ring With 1.7 Ct. Round Shape Lab Grown Diamond (Certificate No: 683550027)

    Vendor:
    Precious Lab
    Regular price ¥233,575 JPY
    Sale price ¥233,575 JPY Regular price
    Unit price /  per 
  • white gold

    Celeste Pave 1ct Preset Diamond Ring

    Celeste Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥185,000 JPY
    Sale price ¥185,000 JPY Regular price
    Unit price /  per 
  • white gold

    Celeste Pave Diamond Ring

    Celeste Pave Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥110,000 JPY
    Sale price ¥110,000 JPY Regular price
    Unit price /  per 
  • Celeste Pave Diamond Ring With 0.95 Ct. Cushion Shape Lab Grown Diamond

    Celeste Pave Diamond Ring With 0.95 Ct. Cushion Shape Lab Grown Diamond

    Celeste Pave Diamond Ring With 0.95 Ct. Cushion Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥175,373 JPY
    Sale price ¥175,373 JPY Regular price
    Unit price /  per 
  • Celeste Pave Diamond Ring With 2.02 Ct. Pear Shape Lab Grown Diamond

    Celeste Pave Diamond Ring With 2.02 Ct. Pear Shape Lab Grown Diamond

    Celeste Pave Diamond Ring With 2.02 Ct. Pear Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥372,432 JPY
    Sale price ¥372,432 JPY Regular price
    Unit price /  per 
  • Celeste Pave Diamond Ring With 2.02 Ct. Pear Shape Lab Grown Diamond (Certificate No: 723537870)

    Celeste Pave Diamond Ring With 2.02 Ct. Pear Shape Lab Grown Diamond (Certificate No: 723537870)

    Celeste Pave Diamond Ring With 2.02 Ct. Pear Shape Lab Grown Diamond (Certificate No: 723537870)

    Vendor:
    Precious Lab
    Regular price ¥294,549 JPY
    Sale price ¥294,549 JPY Regular price
    Unit price /  per 
  • white gold

    Celeste Solitaire Diamond Ring

    Celeste Solitaire Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥106,000 JPY
    Sale price ¥106,000 JPY Regular price
    Unit price /  per 
  • Celeste Solitaire Diamond Ring With 0.9 Ct. Cushion Shape Lab Grown Diamond - Precious Lab

    Celeste Solitaire Diamond Ring With 0.9 Ct. Cushion Shape Lab Grown Diamond

    Celeste Solitaire Diamond Ring With 0.9 Ct. Cushion Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥175,146 JPY
    Sale price ¥175,146 JPY Regular price
    Unit price /  per 
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