-
Pear Shaped Engagement Ring
Platinum
- Regular price
- $1,140+
- Regular price
-
- Sale price
- $1,140 USD
- Unit price
- per
-
-
Round Diamond Ring
Platinum
- Regular price
- $1,140+
- Regular price
-
- Sale price
- $1,140 USD
- Unit price
- per
-
-
Pear Shaped Engagement Ring
Platinum
- Regular price
- $1,140+
- Regular price
-
- Sale price
- $1,140 USD
- Unit price
- per
-
-
-
-
Cathedral Diamond Ring
Platinum
- Regular price
- $1,240+
- Regular price
-
- Sale price
- $1,240 USD
- Unit price
- per
-
-
Cathedral Diamond Ring
Platinum
- Regular price
- $1,240+
- Regular price
-
- Sale price
- $1,240 USD
- Unit price
- per
-
-
Cathedral Diamond Ring
Platinum
- Regular price
- $1,690+
- Regular price
-
- Sale price
- $1,690 USD
- Unit price
- per
-
-
Cushion Cut Diamond Ring
Platinum
- Regular price
- $1,240+
- Regular price
-
- Sale price
- $1,240 USD
- Unit price
- per
-
-
Cushion Cut Diamond Ring
Platinum
- Regular price
- $1,710+
- Regular price
-
- Sale price
- $1,710 USD
- Unit price
- per
-
-
Cushion Cut Diamond Ring
Platinum
- Regular price
- $1,140+
- Regular price
-
- Sale price
- $1,140 USD
- Unit price
- per
-
-
Cathedral Diamond Ring
Platinum
- Regular price
- $1,890+
- Regular price
-
- Sale price
- $1,890 USD
- Unit price
- per
-
-
Emerald Cut Diamond Ring
Platinum
- Regular price
- $1,710+
- Regular price
-
- Sale price
- $1,710 USD
- Unit price
- per
-
-
Emerald Cut Diamond Ring
Platinum
- Regular price
- $1,960+
- Regular price
-
- Sale price
- $1,960 USD
- Unit price
- per
-
-
Emerald Cut Diamond Ring
Platinum
- Regular price
- $1,670+
- Regular price
-
- Sale price
- $1,670 USD
- Unit price
- per
-
-
Cushion Cut Diamond Ring
Platinum
- Regular price
- $1,440+
- Regular price
-
- Sale price
- $1,440 USD
- Unit price
- per
-
-
Cushion Cut Diamond Ring
Platinum
- Regular price
- $1,960+
- Regular price
-
- Sale price
- $1,960 USD
- Unit price
- per
-
-
Round Halo Diamond Ring
Platinum
- Regular price
- $1,670+
- Regular price
-
- Sale price
- $1,670 USD
- Unit price
- per
-
-
Cushion Cut Diamond Ring
Platinum
- Regular price
- $1,670+
- Regular price
-
- Sale price
- $1,670 USD
- Unit price
- per
-
-
Emerald Cut Diamond Ring
Platinum
- Regular price
- $1,240+
- Regular price
-
- Sale price
- $1,240 USD
- Unit price
- per
-
-
Emerald Cut Diamond Ring
Platinum
- Regular price
- $1,140+
- Regular price
-
- Sale price
- $1,140 USD
- Unit price
- per
-
-
Emerald Cut Diamond Ring
Platinum
- Regular price
- $1,440+
- Regular price
-
- Sale price
- $1,440 USD
- Unit price
- per
-
-
-
-
Round Halo Diamond Ring
Platinum
- Regular price
- $1,960+
- Regular price
-
- Sale price
- $1,960 USD
- Unit price
- per
-
-
Pear Shaped Engagement Ring
Platinum
- Regular price
- $1,990+
- Regular price
-
- Sale price
- $1,990 USD
- Unit price
- per
-
-
-
-
Radiant Cut Diamond Ring
Platinum
- Regular price
- $1,960+
- Regular price
-
- Sale price
- $1,960 USD
- Unit price
- per
-
-
Radiant Cut Diamond Ring
Platinum
- Regular price
- $1,670+
- Regular price
-
- Sale price
- $1,670 USD
- Unit price
- per
-
-
-
-
-
-
-
-
Radiant Cut Diamond Ring
Platinum
- Regular price
- $1,440+
- Regular price
-
- Sale price
- $1,440 USD
- Unit price
- per
-
-
Pear Shaped Engagement Ring
Platinum
- Regular price
- $1,790+
- Regular price
-
- Sale price
- $1,790 USD
- Unit price
- per
-
-
Radiant Cut Diamond Ring
Platinum
- Regular price
- $1,240+
- Regular price
-
- Sale price
- $1,240 USD
- Unit price
- per
-
-
Radiant Cut Diamond Ring
Platinum
- Regular price
- $1,710+
- Regular price
-
- Sale price
- $1,710 USD
- Unit price
- per
-
-
Round Diamond Ring
Platinum
- Regular price
- $1,390+
- Regular price
-
- Sale price
- $1,390 USD
- Unit price
- per
-
-
Radiant Cut Diamond Ring
Platinum
- Regular price
- $1,140+
- Regular price
-
- Sale price
- $1,140 USD
- Unit price
- per
-
-
Round Diamond Ring
Platinum
- Regular price
- $1,390+
- Regular price
-
- Sale price
- $1,390 USD
- Unit price
- per
-
-
Three Stone Diamond Ring
Platinum
- Regular price
- $1,790+
- Regular price
-
- Sale price
- $1,790 USD
- Unit price
- per
-
-
Three Stone Diamond Ring
Platinum
- Regular price
- $1,990+
- Regular price
-
- Sale price
- $1,990 USD
- Unit price
- per
-
-
Three Stone Diamond Ring
Platinum
- Regular price
- $1,840+
- Regular price
-
- Sale price
- $1,840 USD
- Unit price
- per
-
-
Round Diamond Ring
Platinum
- Regular price
- $1,090+
- Regular price
-
- Sale price
- $1,090 USD
- Unit price
- per
-
-
Three Stone Diamond Ring
- Regular price
- $1,990+
- Regular price
-
- Sale price
- $1,990 USD
- Unit price
- per
-
-
Three Stone Diamond Ring
Platinum
- Regular price
- $1,840+
- Regular price
-
- Sale price
- $1,840 USD
- Unit price
- per
-

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 Best in Sustainable Platinum Sourcing
Platinum is more rare than gold and requires special expertise to work with. Our casters produce the best quality and are certified for ethics and sustainability.
Platinum 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.