Platinum Lab Grown Engagement Rings

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Emerald

Oval

Radiant

Cushion

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Cushion Cut Hidden Halo Pave Ring

$1,690+
$1,690 USD

Cushion Cut Low Hidden Halo Pave

$1,690+
$1,690 USD

Cushion Cut Pave Engagement Ring

$1,490+
$1,490 USD

Cushion Cut Slim Pave Cathedral

$1,690+
$1,690 USD

Cushion Cut Wide Cathedral

$1,590+
$1,590 USD

Cushion Hidden Halo Medium Pave Ring

$2,140+
$2,140 USD

Cushion Cut Low Hidden Halo Wide Ring

$1,840+
$1,840 USD

Oval Half Moon Three Stone

$2,890+
$2,890 USD

All Center Shapes

Cushion Three Stone Cathedral

$2,290+
$2,290 USD

All Center Shapes

Six Prong Hidden Halo

$1,540+
$1,540 USD

All Center Shapes

Cushion Cut Bezel Ring

$1,390+
$1,390 USD

Cushion Cut Cathedral Bezel Ring

$1,390+
$1,390 USD

Cushion Cut Twisted Band Ring

$1,840+
$1,840 USD

Cushion Cut Double Pave Ring

$2,340+
$2,340 USD

Cushion Cut Split Shank Ring

$2,340+
$2,340 USD

Cushion Cut Low Profile Solitaire

$1,190+
$1,190 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.