Platinum Lab Grown Engagement Rings

Round

Emerald

Oval

Radiant

Cushion

Pear

Marquise

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Cushion Cut Low Profile Solitaire

$1,140+
$1,140 USD

Cushion Cut Low Profile Pave Ring

$1,440+
$1,440 USD

Cushion Cut Low Hidden Halo Ring

$1,340+
$1,340 USD

Cushion Cut Halo Engagement Ring

$1,670+
$1,670 USD

Cushion Cut Halo Pave Ring

$1,960+
$1,960 USD

Cushion Cut Hidden Halo Ring

$1,340+
$1,340 USD

Emerald Cut Halo Pave Ring

$1,960+
$1,960 USD

Emerald Cut Hidden Halo Pave Ring

$1,640+
$1,640 USD

Emerald Cut Hidden Halo Ring

$1,340+
$1,340 USD

Emerald Cut Low Profile Solitaire

$1,140+
$1,140 USD

Emerald Cut Low Profile Pave Ring

$1,440+
$1,440 USD

Emerald Cut Low Hidden Halo Pave Ring

$1,640+
$1,640 USD

Pear Cut Low Profile Solitaire

$1,140+
$1,140 USD

Cathedral Diamond Engagement Ring

$1,240+
$1,240 USD

Cushion Cut Cathedral Ring

$1,240+
$1,240 USD

Cushion Cut Cathedral Pave Ring

$1,710+
$1,710 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.