Platinum Lab Grown Engagement Rings

Wide Flat Band

Regular price
$1,190
Regular price
Sale price
$1,190 USD

Matching Band for Cathedral Rings

Regular price
$1,340
Regular price
Sale price
$1,340 USD

U-Prong Diamond Band

Regular price
$2,190
Regular price
Sale price
$2,190 USD

Slim Lab Diamond Bezel Band

Regular price
$1,390
Regular price
Sale price
$1,390 USD

Round Bezel Band

Regular price
$2,540
Regular price
Sale price
$2,540 USD

Rope Wedding Band

Regular price
$1,040
Regular price
Sale price
$1,040 USD

Radiant Cut East-West Bezel Band

Regular price
$2,540
Regular price
Sale price
$2,540 USD

Radiant Cut Lab Diamond Bezel Band

Regular price
$2,840
Regular price
Sale price
$2,840 USD

Pear Lab Diamond Bezel Band

Regular price
$2,440
Regular price
Sale price
$2,440 USD

Oval Tab Set Band

Regular price
$2,390
Regular price
Sale price
$2,390 USD

Oval Bezel Band

Regular price
$2,690
Regular price
Sale price
$2,690 USD

Oval East-West Bezel Band

Regular price
$2,390
Regular price
Sale price
$2,390 USD

Marquise Lab Diamond Bezel Band

Regular price
$2,390
Regular price
Sale price
$2,390 USD

Mixed Marquise Diamond Band

Regular price
$2,490
Regular price
Sale price
$2,490 USD

Lab Diamond Band - Wide

Regular price
$2,190
Regular price
Sale price
$2,190 USD

Bead Set Lab Diamond Band

Regular price
$1,290
Regular price
Sale price
$1,290 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.