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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
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      • Pave Rings
      • Halo Rings
      • Shop All
    • Shop By Metal
      • White Gold
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      • Platinum
  • 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

  • Alecia Trilogy Diamond Ring With 0.51 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Alecia Trilogy Diamond Ring With 0.51 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 0.51 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥144,199 JPY
    Sale price ¥144,199 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 0.53 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Alecia Trilogy Diamond Ring With 0.53 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 0.53 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥160,090 JPY
    Sale price ¥160,090 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 0.53 Ct. Round Shape Lab Grown Diamond (Certificate No: 649400214) - Precious Lab

    Alecia Trilogy Diamond Ring With 0.53 Ct. Round Shape Lab Grown Diamond (Certificate No: 649400214)

    Alecia Trilogy Diamond Ring With 0.53 Ct. Round Shape Lab Grown Diamond (Certificate No: 649400214)

    Vendor:
    Precious Lab
    Regular price ¥158,527 JPY
    Sale price ¥158,527 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 0.56 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Alecia Trilogy Diamond Ring With 0.56 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 0.56 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥168,261 JPY
    Sale price ¥168,261 JPY Regular price
    Unit price /  per 

  • Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥188,683 JPY
    Sale price ¥188,683 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥292,337 JPY
    Sale price ¥292,337 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond (Certificate No: 720566989)

    Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond (Certificate No: 720566989)

    Alecia Trilogy Diamond Ring With 1.0 Ct. Round Shape Lab Grown Diamond (Certificate No: 720566989)

    Vendor:
    Precious Lab
    Regular price ¥232,083 JPY
    Sale price ¥232,083 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.02 Ct. Round Shape Lab Grown Diamond (Certificate No: 727510585)

    Alecia Trilogy Diamond Ring With 1.02 Ct. Round Shape Lab Grown Diamond (Certificate No: 727510585)

    Alecia Trilogy Diamond Ring With 1.02 Ct. Round Shape Lab Grown Diamond (Certificate No: 727510585)

    Vendor:
    Precious Lab
    Regular price ¥217,647 JPY
    Sale price ¥217,647 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.04 Ct. Round Shape Lab Grown Diamond - Precious Lab

    Alecia Trilogy Diamond Ring With 1.04 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.04 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥189,846 JPY
    Sale price ¥189,846 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.05 Ct. Round Shape Lab Grown Diamond (Certificate No: 711502414)

    Alecia Trilogy Diamond Ring With 1.05 Ct. Round Shape Lab Grown Diamond (Certificate No: 711502414)

    Alecia Trilogy Diamond Ring With 1.05 Ct. Round Shape Lab Grown Diamond (Certificate No: 711502414)

    Vendor:
    Precious Lab
    Regular price ¥180,122 JPY
    Sale price ¥180,122 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.1 Ct. Round Shape Lab Grown Diamond (Certificate No: 1518810273)

    Alecia Trilogy Diamond Ring With 1.1 Ct. Round Shape Lab Grown Diamond (Certificate No: 1518810273)

    Alecia Trilogy Diamond Ring With 1.1 Ct. Round Shape Lab Grown Diamond (Certificate No: 1518810273)

    Vendor:
    Precious Lab
    Regular price ¥333,019 JPY
    Sale price ¥333,019 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.2 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.2 Ct. Round Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.2 Ct. Round Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥442,593 JPY
    Sale price ¥442,593 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.52 Ct. Oval Shape Lab Grown Diamond - Precious Lab

    Alecia Trilogy Diamond Ring With 1.52 Ct. Oval Shape Lab Grown Diamond

    Alecia Trilogy Diamond Ring With 1.52 Ct. Oval Shape Lab Grown Diamond

    Vendor:
    Precious Lab
    Regular price ¥245,708 JPY
    Sale price ¥245,708 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.56 Ct. Pear Shape Lab Grown Diamond (Certificate No: 1515425248) - Precious Lab

    Alecia Trilogy Diamond Ring With 1.56 Ct. Pear Shape Lab Grown Diamond (Certificate No: 1515425248)

    Alecia Trilogy Diamond Ring With 1.56 Ct. Pear Shape Lab Grown Diamond (Certificate No: 1515425248)

    Vendor:
    Precious Lab
    Regular price ¥360,560 JPY
    Sale price ¥360,560 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.6 Ct. Round Shape Lab Grown Diamond (Certificate No: 1509244822)

    Alecia Trilogy Diamond Ring With 1.6 Ct. Round Shape Lab Grown Diamond (Certificate No: 1509244822)

    Alecia Trilogy Diamond Ring With 1.6 Ct. Round Shape Lab Grown Diamond (Certificate No: 1509244822)

    Vendor:
    Precious Lab
    Regular price ¥428,046 JPY
    Sale price ¥428,046 JPY Regular price
    Unit price /  per 
  • Alecia Trilogy Diamond Ring With 1.6 Ct. Round Shape Lab Grown Diamond (Certificate No: 1509244822)

    Alecia Trilogy Diamond Ring With 1.6 Ct. Round Shape Lab Grown Diamond (Certificate No: 1509244822)

    Alecia Trilogy Diamond Ring With 1.6 Ct. Round Shape Lab Grown Diamond (Certificate No: 1509244822)

    Vendor:
    Precious Lab
    Regular price ¥428,046 JPY
    Sale price ¥428,046 JPY Regular price
    Unit price /  per 
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