Platinum Lab Grown Engagement Rings

Round

Emerald

Oval

Radiant

Cushion

Pear

Marquise

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Cushion Cut Split Shank Ring

$2,140+
$2,140 USD

Cushion Cut Hidden Halo Split Shank

$2,240+
$2,240 USD

Oval Split Shank Diamond Ring

$2,140+
$2,140 USD

Oval Hidden Halo Split Shank

$2,240+
$2,240 USD

Split Shank Diamond Ring

$2,140+
$2,140 USD

Split Shank Hidden Halo Ring

$2,240+
$2,240 USD

Halo Accented Engagement Ring

$1,890+
$1,890 USD

Halo Accented Pave Ring

$2,190+
$2,190 USD

Halo Luxe Pave Engagement Ring

$2,590+
$2,590 USD

Soft Square Simple Halo Ring

$1,670+
$1,670 USD

Soft Square Simple Halo Pave Ring

$1,960+
$1,960 USD

Soft Square Luxe Halo Ring

$2,590+
$2,590 USD

Soft Square Halo Accented Pave Ring

$2,190+
$2,190 USD

Soft Square Halo Accented Ring

$1,890+
$1,890 USD

Soft Square Halo Engagement Ring

$1,670+
$1,670 USD

Soft Square Halo Pave Ring

$1,960+
$1,960 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.