Platinum Lab Grown Engagement Rings

Round

Emerald

Oval

Radiant

Cushion

Pear

Marquise

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6 Prong Cathedral Channel Ring

$1,940+
$1,940 USD

Cushion Cut Low Hidden Halo Pave

$1,760+
$1,760 USD

Cushion Cut Pave Engagement Ring

$1,540+
$1,540 USD

Oval Low Profile Solitaire

$1,240+
$1,240 USD

Pear Cut Engagement Ring

$1,240+
$1,240 USD

Oval Hidden Halo Twisted Ring

$1,910+
$1,910 USD

Twisted Band Diamond Ring

$1,690+
$1,690 USD

Cushion Cut Hidden Halo Double Pave

$2,660+
$2,660 USD

Radiant Cut Tulip Engagement Ring

$1,390+
$1,390 USD

Pear Cut Tulip Engagement Ring

$1,390+
$1,390 USD

Oval Tulip Engagement Ring

$1,390+
$1,390 USD

Emerald Cut Tulip Engagement Ring

$1,390+
$1,390 USD

Cushion Cut Tulip Engagement Ring

$1,390+
$1,390 USD

Oval Cut Pave Twist Ring

$2,350+
$2,350 USD

Marquise Cut Pave Twist Ring

$2,350+
$2,350 USD

Round Pave Twist Ring

$2,350+
$2,350 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.