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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
  
  Wedding Bands
  Engagement 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
- Shop By Metal
  
  White Gold
  Yellow Gold
  Rose Gold
  Platinum
JEWELRY
- Earrings
  
  Diamond Studs
  Diamond Hoop Earrings
  Diamond Earrings
  Shop All
- Pendants
  
  Solitaire Pendants
  Diamond Pendants
  Shop All
- Rings
  
  Eternity Rings
  Engagement Rings
  Diamond Rings
  Shop All
- Bracelets
  
  Tennis Bracelets
  Diamond Bracelets
  Shop All
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