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

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  • 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
    • Preset Engagement Rings
      • Present Engagement Rings
      • Round Cut Rings
      • Solitaire Rings
      • Pave Rings
      • Halo Rings
    • Shop By Metal
      • White Gold
      • Yellow Gold
      • Rose Gold
      • Platinum
  • JEWELRY
    • Earrings
      • Diamond Studs
      • Diamond Hoop Earrings
      • Diamond Earrings
      • Shop All
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      • Diamond Pendants
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Timeless Bond Collection

Celebrate enduring love with the Timeless Bond Collection, a breathtaking series of anniversary rings adorned with lab-grown diamonds. Each ring reflects Tokyo's modern elegance, offering a sustainable and radiant symbol of your everlasting commitment.

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27 products

  • white gold

    Heirloom Solitaire 1ct Preset Diamond Ring

    Heirloom Solitaire 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥192,000 JPY
    Sale price ¥192,000 JPY Regular price
    Unit price /  per 
  • white gold

    Classic Solitaire 1ct Preset Diamond Ring

    Classic Solitaire 1ct Preset Diamond Ring

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

    Classic Cathedral Pave 1ct Preset Diamond Ring

    Classic Cathedral Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥184,000 JPY
    Sale price ¥184,000 JPY Regular price
    Unit price /  per 
  • white gold

    Everglow Hidden Halo 1ct Preset Diamond Ring

    Everglow Hidden Halo 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥184,000 JPY
    Sale price ¥184,000 JPY Regular price
    Unit price /  per 
  • white gold

    Lumina Hidden Halo 1ct Preset Diamond Ring

    Lumina Hidden Halo 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥186,000 JPY
    Sale price ¥186,000 JPY Regular price
    Unit price /  per 
  • white gold

    Vera Hidden Halo 1ct Preset Diamond Ring

    Vera Hidden Halo 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥176,000 JPY
    Sale price ¥176,000 JPY Regular price
    Unit price /  per 
  • white gold

    Legacy Hidden Halo 1ct Preset Diamond Ring

    Legacy Hidden Halo 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 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

    Double Pave 1ct Preset Diamond Ring

    Double 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

    Oval Pave 1ct Preset Diamond Ring

    Oval Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥178,000 JPY
    Sale price ¥178,000 JPY Regular price
    Unit price /  per 
  • white gold

    Feather Preset 1ct Diamond Ring

    Feather Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥276,000 JPY
    Sale price ¥276,000 JPY Regular price ¥185,000 JPY
    Unit price /  per 
  • white gold

    Pear Dream Preset 1ct Diamond Ring

    Sale

    Pear Dream Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥185,000 JPY
    Sale price ¥185,000 JPY Regular price ¥200,000 JPY
    Unit price /  per 
    Sale
  • White Gold

    Golden Halo Preset 1ct Diamond Ring

    Sale

    Golden Halo Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥178,000 JPY
    Sale price ¥178,000 JPY Regular price ¥198,000 JPY
    Unit price /  per 
    Sale
  • White Gold

    Infinity Pave Preset 1ct Diamond Ring

    Sale

    Infinity Pave Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥198,000 JPY
    Sale price ¥198,000 JPY Regular price ¥230,000 JPY
    Unit price /  per 
    Sale
  • White Gold

    Toi Et Moi Pave Preset 2ct Diamond Ring

    Sale

    Toi Et Moi Pave Preset 2ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥320,000 JPY
    Sale price ¥320,000 JPY Regular price ¥360,000 JPY
    Unit price /  per 
    Sale
  • White Gold

    Stellar Halo Preset 1ct Diamond Ring

    Stellar Halo Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥224,000 JPY
    Sale price ¥224,000 JPY Regular price ¥185,000 JPY
    Unit price /  per 
  • white gold

    Lunar Halo Preset 1ct Diamond Ring

    Sale

    Lunar Halo Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥172,000 JPY
    Sale price ¥172,000 JPY Regular price ¥185,000 JPY
    Unit price /  per 
    Sale
  • White Gold

    Aurora Pave Preset 1ct Diamond Ring

    Sale

    Aurora Pave Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥172,000 JPY
    Sale price ¥172,000 JPY Regular price ¥185,000 JPY
    Unit price /  per 
    Sale
  • White Gold

    Radiant Halo 1ct Preset Diamond Ring

    Sale

    Radiant Halo 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥175,000 JPY
    Sale price ¥175,000 JPY Regular price ¥196,000 JPY
    Unit price /  per 
    Sale
  • white gold

    Carina Round Solitaire Preset 1ct Diamond Ring

    Carina Round Solitaire Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥175,000 JPY
    Sale price ¥175,000 JPY Regular price
    Unit price /  per 
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