Platinum Lab Grown Engagement Rings

    Radiant Cut Diamond Ring

    Regular price
    $1,840+
    Regular price
    Sale price
    $1,840 USD

    Oval Diamond Ring

    Regular price
    $1,840+
    Regular price
    Sale price
    $1,840 USD

    Oval Diamond Ring

    Regular price
    $1,790+
    Regular price
    Sale price
    $1,790 USD

    Emerald Cut Diamond Ring

    Regular price
    $1,840+
    Regular price
    Sale price
    $1,840 USD

    Three Stone Diamond Ring

    Platinum

    Regular price
    $1,840+
    Regular price
    Sale price
    $1,840 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $2,790+
    Regular price
    Sale price
    $2,790 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $2,510+
    Regular price
    Sale price
    $2,510 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $2,790+
    Regular price
    Sale price
    $2,790 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $2,510+
    Regular price
    Sale price
    $2,510 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $1,790+
    Regular price
    Sale price
    $1,790 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $1,990+
    Regular price
    Sale price
    $1,990 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $1,840+
    Regular price
    Sale price
    $1,840 USD
    Platinum

    Three Stone Diamond Ring

    Regular price
    $1,990+
    Regular price
    Sale price
    $1,990 USD
    Platinum

    Three Stone Diamond Ring

    Platinum

    Regular price
    $1,840+
    Regular price
    Sale price
    $1,840 USD
    Platinum
  • The Only Metal that's Pure White

    Platinum engagement rings are more pure than gold rings - which always start out yellow - so platinum does not need plating to shine bright white.


Platinum lab grown engagement rings

If your love is rare and strong, it deserves a metal that is equally robust and cherished. Enter platinum. This malleable noble metal is extremely resistant to tarnishing and corrosion and makes for some truly jaw-dropping lab grown diamond engagement rings. Since it is the only pure white metal, platinum doesn’t require any plating! That’s right – your platinum lab grown diamond ring will stay never lose its luster or color, making it an ideal choice for a family heirloom.

At Plum Diamonds, we don’t take the rarity of platinum for granted. That’s why we work closely with our expert casters to produce the highest quality platinum pieces. Plus, being stronger than gold, your lab grown diamond rings, whether they be three stone, cathedral or solitaire, will always be safe with a platinum engagement ring setting. So go ahead, celebrate your love worry-free!

Every Plum platinum engagement ring is backed for life and responsibly made from the finest metal alloys and lab diamonds, costing far less than their mined counterparts – an ethical, eco-friendly way to go bigger, better, and brighter.