Platinum Lab Grown Engagement Rings

Round

Emerald

Oval

Radiant

Cushion

Pear

Marquise

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Emerald Cut Wide Solitaire

$1,390+
$1,390 USD

Emerald Cut Wide Pave Ring

$2,490+
$2,490 USD

Low Profile Hidden Halo Ring

$1,340+
$1,340 USD

Cushion Cut Cathedral Bezel Ring

$1,340+
$1,340 USD

Three Stone Ring with Pears

$1,840+
$1,840 USD

Three Stone Round Pave Ring

$2,790+
$2,790 USD

Three Stone Round Ring

$2,510+
$2,510 USD

Cushion Cut Twisted Band Ring

$1,640+
$1,640 USD

Cushion Cut Hidden Halo Twisted Ring

$1,790+
$1,790 USD

Oval Twisted Band Ring

$1,640+
$1,640 USD

Twisted Band Hidden Halo Ring

$1,790+
$1,790 USD

Cushion Cut Double Pave Ring

$2,140+
$2,140 USD

Oval Hidden Halo Double Pave Ring

$2,140+
$2,140 USD

Oval Double Pave Ring

$2,240+
$2,240 USD

Cushion Cut Double Twisted Ring

$2,140+
$2,140 USD

Cushion Cut Hidden Halo Double Twist

$2,240+
$2,240 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.


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.