Platinum Lab Grown Engagement Rings

Asscher Cut Pave Cathedral Ring

Regular price
$1,690+
Regular price
Sale price
$1,690 USD

Oval Pave Cathedral Ring

Regular price
$1,690+
Regular price
Sale price
$1,690 USD

Emerald Cut Medium Pave Ring

Regular price
$1,940+
Regular price
Sale price
$1,940 USD

Oval Medium Pave Ring

Regular price
$1,940+
Regular price
Sale price
$1,940 USD

Asscher Cut Medium Pave Ring

Regular price
$1,940+
Regular price
Sale price
$1,940 USD

Asscher Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Radiant Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Pear Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Oval Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Marquise Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Emerald Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Cushion Hidden Halo Medium Pave Ring

Regular price
$2,140+
Regular price
Sale price
$2,140 USD

Radiant Cut Vintage Peekaboo Ring

Regular price
$1,890+
Regular price
Sale price
$1,890 USD
All Center Shapes

Petite Cluster Ring

Regular price
$2,040+
Regular price
Sale price
$2,040 USD
All Center Shapes

Diamond Collar Pave Ring

Regular price
$1,790+
Regular price
Sale price
$1,790 USD
All Center Shapes

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.