Platinum Lab Grown Engagement Rings

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Emerald

Oval

Radiant

Cushion

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Old Mine Cut Solitaire

$1,490+
$1,490 USD

Marquise Cut Tulip Engagement Ring

$1,390+
$1,390 USD

Princess Cut Pave Twist Ring

$2,350+
$2,350 USD

East-West Emerald Cut Cathedral Ring

$1,590+
$1,590 USD

Radiant Cut Trapezoid Three Stone

$3,690+
$3,690 USD

Asscher Cut Low Profile Hidden Halo

$1,460+
$1,460 USD

Radiant Cut Sleek Pave Cathedral

$1,790+
$1,790 USD

Wide Cathedral Engagement Ring

$1,690+
$1,690 USD

Asscher Cut Wide Cathedral Ring

$1,690+
$1,690 USD

Marquise Hidden Halo Medium Pave Ring

$2,260+
$2,260 USD

Art Deco Emerald Cut Ring

$2,540+
$2,540 USD

Oval Half Moon Three Stone

$2,890+
$2,890 USD

Petite Cluster Ring

$2,040+
$2,040 USD

Three Stone Trillion Ring

$3,640+
$3,640 USD

Low Profile Engagement Ring

$1,240+
$1,240 USD

Radiant Cut Hidden Halo Ring

$1,410+
$1,410 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.