Platinum Lab Grown Engagement Rings

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Emerald

Oval

Radiant

Cushion

Pear

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Pear Halo Pave Ring

$2,090
$2,090 USD

Halo Luxe Pave Engagement Ring

$2,790+
$2,790 USD

Soft Square Simple Halo Ring

$1,770+
$1,770 USD

Soft Square Simple Halo Pave Ring

$2,060+
$2,060 USD

Soft Square Luxe Halo Ring

$2,690+
$2,690 USD

Radiant Cut Halo Engagement Ring

$1,770+
$1,770 USD

Radiant Cut Halo Pave Ring

$2,060+
$2,060 USD

Emerald Cut Halo Engagement Ring

$1,870+
$1,870 USD

Oval Halo Pave Ring

$2,160+
$2,160 USD

Oval Halo Engagement Ring

$1,870+
$1,870 USD

Cushion Cut Halo Engagement Ring

$1,870+
$1,870 USD

Cushion Cut Halo Pave Ring

$2,160+
$2,160 USD

Emerald Cut Halo Pave Ring

$2,160+
$2,160 USD

Emerald Cut Simple Halo Pave Ring

$2,160+
$2,160 USD

Emerald Cut Simple Halo Ring

$1,870+
$1,870 USD

Cushion Cut Simple Halo Pave Ring

$2,160+
$2,160 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.