Platinum Engagement Rings

Platinum Engagement Rings

  • Round Diamond Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Pear Shaped Engagement Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Oval Diamond Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Cathedral Diamond Ring

    Platinum

    Regular price
    $1,240
    Regular price
    Sale price
    $1,240 USD
  • Cathedral Diamond Ring

    Platinum

    Regular price
    $1,240
    Regular price
    Sale price
    $1,240 USD
  • Cathedral Diamond Ring

    Platinum

    Regular price
    $1,690
    Regular price
    Sale price
    $1,690 USD
    12 Options
  • Cushion Cut Diamond Ring

    Platinum

    Regular price
    $1,240
    Regular price
    Sale price
    $1,240 USD
  • Cushion Cut Diamond Ring

    Platinum

    Regular price
    $1,710
    Regular price
    Sale price
    $1,710 USD
  • Cushion Cut Diamond Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Cathedral Diamond Ring

    Platinum

    Regular price
    $1,890
    Regular price
    Sale price
    $1,890 USD
  • Emerald Cut Diamond Ring

    Platinum

    Regular price
    $1,710
    Regular price
    Sale price
    $1,710 USD
  • Emerald Cut Diamond Ring

    Platinum

    Regular price
    $1,960
    Regular price
    Sale price
    $1,960 USD
  • Emerald Cut Diamond Ring

    Platinum

    Regular price
    $1,670
    Regular price
    Sale price
    $1,670 USD
  • Cushion Cut Diamond Ring

    Platinum

    Regular price
    $1,440
    Regular price
    Sale price
    $1,440 USD
  • Cushion Cut Diamond Ring

    Platinum

    Regular price
    $1,960
    Regular price
    Sale price
    $1,960 USD
  • Round Halo Diamond Ring

    Platinum

    Regular price
    $1,670
    Regular price
    Sale price
    $1,670 USD
  • Cushion Cut Diamond Ring

    Platinum

    Regular price
    $1,670
    Regular price
    Sale price
    $1,670 USD
  • Emerald Cut Diamond Ring

    Platinum

    Regular price
    $1,240
    Regular price
    Sale price
    $1,240 USD
  • Emerald Cut Diamond Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Emerald Cut Diamond Ring

    Platinum

    Regular price
    $1,440
    Regular price
    Sale price
    $1,440 USD
  • Oval Diamond Ring

    Platinum

    Regular price
    $1,240
    Regular price
    Sale price
    $1,240 USD
  • Round Halo Diamond Ring

    Platinum

    Regular price
    $1,960
    Regular price
    Sale price
    $1,960 USD
  • Pear Shaped Engagement Ring

    Platinum

    Regular price
    $1,990
    Regular price
    Sale price
    $1,990 USD
  • Oval Diamond Ring

    Platinum

    Regular price
    $1,710
    Regular price
    Sale price
    $1,710 USD
  • Radiant Cut Diamond Ring

    Platinum

    Regular price
    $1,960
    Regular price
    Sale price
    $1,960 USD
  • Radiant Cut Diamond Ring

    Platinum

    Regular price
    $1,670
    Regular price
    Sale price
    $1,670 USD
  • Oval Diamond Ring

    Platinum

    Regular price
    $1,440
    Regular price
    Sale price
    $1,440 USD
  • Oval Diamond Ring

    Platinum

    Regular price
    $1,960
    Regular price
    Sale price
    $1,960 USD
  • Oval Diamond Ring

    Platinum

    Regular price
    $1,670
    Regular price
    Sale price
    $1,670 USD
  • Radiant Cut Diamond Ring

    Platinum

    Regular price
    $1,440
    Regular price
    Sale price
    $1,440 USD
  • Pear Shaped Engagement Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Pear Shaped Engagement Ring

    Platinum

    Regular price
    $1,790
    Regular price
    Sale price
    $1,790 USD
  • Radiant Cut Diamond Ring

    Platinum

    Regular price
    $1,240
    Regular price
    Sale price
    $1,240 USD
  • Radiant Cut Diamond Ring

    Platinum

    Regular price
    $1,710
    Regular price
    Sale price
    $1,710 USD
  • Round Diamond Ring

    Platinum

    Regular price
    $1,390
    Regular price
    Sale price
    $1,390 USD
  • Radiant Cut Diamond Ring

    Platinum

    Regular price
    $1,140
    Regular price
    Sale price
    $1,140 USD
  • Round Diamond Ring

    Platinum

    Regular price
    $1,390
    Regular price
    Sale price
    $1,390 USD
  • Three Stone Diamond Ring

    Platinum

    Regular price
    $1,790
    Regular price
    Sale price
    $1,790 USD
  • Three Stone Diamond Ring

    Platinum

    Regular price
    $1,990
    Regular price
    Sale price
    $1,990 USD
  • Three Stone Diamond Ring

    Platinum

    Regular price
    $1,840
    Regular price
    Sale price
    $1,840 USD
  • Round Diamond Ring

    Platinum

    Regular price
    $1,090
    Regular price
    Sale price
    $1,090 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $1,640
    Regular price
    Sale price
    $1,640 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $2,140
    Regular price
    Sale price
    $2,140 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $2,140
    Regular price
    Sale price
    $2,140 USD
  • Three Stone Diamond Ring

    Regular price
    $1,990
    Regular price
    Sale price
    $1,990 USD
  • Three Stone Diamond Ring

    Platinum

    Regular price
    $1,840
    Regular price
    Sale price
    $1,840 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $1,640
    Regular price
    Sale price
    $1,640 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $1,640
    Regular price
    Sale price
    $1,640 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $2,140
    Regular price
    Sale price
    $2,140 USD
  • Twisted Band Engagement Ring

    Platinum

    Regular price
    $2,140
    Regular price
    Sale price
    $2,140 USD
  • 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.

    The Best in Sustainable Platinum Sourcing

    Platinum is more rare than gold and requires special expertise to work with. Our casters produce the best quality and are certified for ethics and sustainability.

Load More

Platinum 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 diamonds 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.