Platinum Lab Grown Engagement Rings

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Emerald

Oval

Radiant

Cushion

Pear

Marquise

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Cushion Cut Hidden Halo Split Shank

$2,610+
$2,610 USD

Oval Split Shank Diamond Ring

$2,390+
$2,390 USD

Oval Hidden Halo Split Shank

$2,610+
$2,610 USD

Split Shank Diamond Ring

$2,390+
$2,390 USD

Split Shank Hidden Halo Ring

$2,610+
$2,610 USD

Cushion Cut Petals Cluster Ring

$2,540+
$2,540 USD

Petals Cluster Engagement Ring

$2,540+
$2,540 USD

Emerald Cut Diamond Bouquet Ring

$2,240+
$2,240 USD

Old Mine Cut Petals Cluster Ring

$2,540+
$2,540 USD

East-West Old Mine Cut Cathedral Ring

$1,590+
$1,590 USD

Asscher Cut Low Split Shank Bezel Ring

$1,740+
$1,740 USD

Cushion Cut Split Shank Bezel Ring

$1,890+
$1,890 USD

Emerald Cut East-West Split Shank Bezel Ring

$1,890+
$1,890 USD

Emerald Cut East-West Wide Bezel Ring

$1,890+
$1,890 USD

Emerald Cut Split Shank Bezel Ring

$1,890+
$1,890 USD

Marquise Cut Split Shank Bezel Ring

$1,940+
$1,940 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.