Platinum Lab Grown Engagement Rings

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Emerald

Oval

Radiant

Cushion

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Round Tulip Engagement Ring

$1,390+
$1,390 USD

All Center Shapes

Low Profile Hidden Halo Wide Pave Ring

$2,640+
$2,640 USD

Allover Diamond Pave Ring

$2,190+
$2,190 USD

6 Prong Cathedral Pave Ring

$1,700+
$1,700 USD

6 Prong Cathedral Engagement Ring

$1,390+
$1,390 USD

6 Prong Cathedral Channel Ring

$1,940+
$1,940 USD

6 Prong Cathedral Bead Set Ring

$1,940+
$1,940 USD

Cathedral Hidden Halo Pave Ring

$1,890+
$1,890 USD

Low Profile Hidden Halo Ring

$1,390+
$1,390 USD

Twisted Band Hidden Halo Ring

$1,890+
$1,890 USD

Cushion Cut Double Twisted Ring

$2,340+
$2,340 USD

Hidden Halo Double Twist

$2,440+
$2,440 USD

Split Shank Diamond Ring

$2,240+
$2,240 USD

Split Shank Hidden Halo Ring

$2,340+
$2,340 USD

Halo Accented Engagement Ring

$2,090+
$2,090 USD

Halo Accented Pave Ring

$2,390+
$2,390 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 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.