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

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  • DIAMOND
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Explore Our Ring Collection

Discover the perfect expression of elegance and love with our stunning selection of rings. From timeless solitaires to modern designs, each piece is meticulously crafted to celebrate life's most cherished moments. Find the ring that speaks to your style and tells your story.

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50 products

  • 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

    Sale

    Stellar 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

    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

    Bezel Solitaire Preset 1ct Diamond Ring

    Bezel Solitaire Preset 1ct Diamond Ring

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

    Toi Et Moi Preset 2ct Diamond Ring

    Toi Et Moi Preset 2ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥320,000 JPY
    Sale price ¥320,000 JPY Regular price
    Unit price /  per 
  • white gold

    Men's Solitaire Preset 1ct Diamond Ring

    Men's Solitaire Preset 1ct Diamond Ring

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

    Emerald Three Stone 1ct Preset Diamond Ring

    Emerald Three Stone 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥182,000 JPY
    Sale price ¥182,000 JPY Regular price
    Unit price /  per 
  • white gold

    Classic Halo Preset 1ct Diamond Ring

    Classic Halo Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥205,000 JPY
    Sale price ¥205,000 JPY Regular price
    Unit price /  per 
  • white gold

    Vera Halo Diamond 1ct Preset Ring

    Vera Halo Diamond 1ct Preset Ring

    Vendor:
    Precious Lab
    Regular price ¥198,000 JPY
    Sale price ¥198,000 JPY Regular price
    Unit price /  per 
  • white gold

    Classic Pave Preset 1ct Diamond Ring

    Classic Pave Preset 1ct Diamond Ring

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

    Radiance Pave 1ct Preset Diamond Ring

    Radiance Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥186,000 JPY
    Sale price ¥186,000 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

    Twist Pave Preset 1ct Diamond Ring

    Sale

    Twist Pave Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥174,000 JPY
    Sale price ¥174,000 JPY Regular price ¥206,000 JPY
    Unit price /  per 
    Sale
  • white gold

    Crystal Preset 1ct Diamond Ring

    Crystal Preset 1ct Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥205,000 JPY
    Sale price ¥205,000 JPY Regular price ¥185,000 JPY
    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

    Single Diamond Eternity Band

    Single Diamond Eternity Band

    Vendor:
    Precious Lab
    Regular price ¥275,000 JPY
    Sale price ¥275,000 JPY Regular price ¥6,900 JPY
    Unit price /  per 
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