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

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  • DIAMOND
  • ENGAGEMENT RING
    • Start With A Ring Setting
    • Start With A Diamond
  • JEWELLERY
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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

    Oval Diamond Eternity Band

    Oval Diamond Eternity Band

    Vendor:
    Precious Lab
    Regular price ¥376,000 JPY
    Sale price ¥376,000 JPY Regular price ¥6,900 JPY
    Unit price /  per 
  • 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

    Celestia Halo 1ct Preset Diamond Ring

    Celestia Halo 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥183,000 JPY
    Sale price ¥183,000 JPY Regular price
    Unit price /  per 
  • white gold

    Opus Pave 1ct Preset Diamond Ring

    Opus Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥210,000 JPY
    Sale price ¥210,000 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

    Stack Pave 1ct Preset Diamond Ring

    Stack Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥240,000 JPY
    Sale price ¥240,000 JPY Regular price
    Unit price /  per 
  • white gold

    Classic Pave 1ct Preset Diamond Ring

    Classic Pave 1ct Preset Diamond Ring

    Vendor:
    Precious Lab
    Regular price ¥191,000 JPY
    Sale price ¥191,000 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

    Channel 2.5mm Wedding Band

    Channel 2.5mm Wedding Band

    Vendor:
    Precious Lab
    Regular price ¥99,000 JPY
    Sale price ¥99,000 JPY Regular price ¥6,900 JPY
    Unit price /  per 
  • white gold

    Pavé 2.0mm Wedding Band

    Pavé 2.0mm Wedding Band

    Vendor:
    Precious Lab
    Regular price ¥99,000 JPY
    Sale price ¥99,000 JPY Regular price ¥6,900 JPY
    Unit price /  per 
  • white gold

    Pavé 2.5mm Wedding Band

    Pavé 2.5mm Wedding Band

    Vendor:
    Precious Lab
    Regular price ¥99,000 JPY
    Sale price ¥99,000 JPY Regular price ¥6,900 JPY
    Unit price /  per 
  • white gold

    Channel 2.0mm Wedding Band

    Channel 2.0mm Wedding Band

    Vendor:
    Precious Lab
    Regular price ¥99,000 JPY
    Sale price ¥99,000 JPY Regular price ¥6,900 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
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