Skip to content
Win 2.5ctw Lab Diamond Studs + Save $100 >
ENGAGEMENT RINGS
GUIDE ME
Shop By Shape
Shop All
Oval
Emerald
Round
Radiant
Cushion
Marquise
Pear
Asscher
Princess
Old Mine
SHOP BY METAL
Yellow Gold
White Gold
Platinum
Rose Gold
Two Tone Yellow
Two Tone Rose
Shop By Style
Three Stone
Bezel
Solitaire
Low Profile
Hidden Halo
Cathedral
Twist & Split Shank
East-West
Wide Band
Halo
FEATURED
Ready-to-Ship
Build Your Own Ring
New Arrivals
Colored Lab Diamonds
Unique Engagement Rings
Rings Under $5k
Rings Under $3k
Custom Design
Wedding Bands
GUIDE ME
Shop By Metal
Yellow Gold
White Gold
Rose Gold
Platinum
Shop By Style
No Diamonds
With Diamonds
Unique Bands
Wide Bands
Bezel Bands
Shop Wedding Bands
Shop All
Jewelry
GUIDE ME
JEWELRY
All Fine Jewelry
Earrings
Bracelets
Necklaces
Stacking Bands
NEW! Pink Diamonds
Gifts
Under $550
Under $1000
Under $2500
All Special Offers
Bundle and Save - Sets
FIND YOUR DIAMOND KIT
about
GUIDE ME
About Menu
About Us
FAQ
Free Warranty & Sizing
Why Lab Grown Diamonds?
Reviews & Press
contact
ENGAGEMENT RINGS
Shop By Shape
Shop All
Oval
Emerald
Round
Radiant
Cushion
Marquise
Pear
Asscher
Princess
Old Mine
SHOP BY METAL
Yellow Gold
White Gold
Platinum
Rose Gold
Two Tone Yellow
Two Tone Rose
Shop By Style
Three Stone
Bezel
Solitaire
Low Profile
Hidden Halo
Cathedral
Twist & Split Shank
East-West
Wide Band
Halo
FEATURED
Ready-to-Ship
Build Your Own Ring
New Arrivals
Colored Lab Diamonds
Unique Engagement Rings
Rings Under $5k
Rings Under $3k
Custom Design
Wedding Bands
Shop By Metal
Yellow Gold
White Gold
Rose Gold
Platinum
Shop By Style
No Diamonds
With Diamonds
Unique Bands
Wide Bands
Bezel Bands
Shop Wedding Bands
Shop All
Jewelry
JEWELRY
All Fine Jewelry
Earrings
Bracelets
Necklaces
Stacking Bands
NEW! Pink Diamonds
Gifts
Under $550
Under $1000
Under $2500
All Special Offers
Bundle and Save - Sets
FIND YOUR DIAMOND KIT
about
About Menu
About Us
FAQ
Free Warranty & Sizing
Why Lab Grown Diamonds?
Reviews & Press
contact
Translation missing: en.general.search.submit
Translation missing: en.general.search.close
Translation missing: en.general.search.predictive_result_count
Translation missing: en.general.search.view_more
ENGAGEMENT RINGS
GUIDE ME
Shop By Shape
Shop All
Oval
Emerald
Round
Radiant
Cushion
Marquise
Pear
Asscher
Princess
Old Mine
SHOP BY METAL
Yellow Gold
White Gold
Platinum
Rose Gold
Two Tone Yellow
Two Tone Rose
Shop By Style
Three Stone
Bezel
Solitaire
Low Profile
Hidden Halo
Cathedral
Twist & Split Shank
East-West
Wide Band
Halo
FEATURED
Ready-to-Ship
Build Your Own Ring
New Arrivals
Colored Lab Diamonds
Unique Engagement Rings
Rings Under $5k
Rings Under $3k
Custom Design
Wedding Bands
GUIDE ME
Shop By Metal
Yellow Gold
White Gold
Rose Gold
Platinum
Shop By Style
No Diamonds
With Diamonds
Unique Bands
Wide Bands
Bezel Bands
Shop Wedding Bands
Shop All
Jewelry
GUIDE ME
JEWELRY
All Fine Jewelry
Earrings
Bracelets
Necklaces
Stacking Bands
NEW! Pink Diamonds
Gifts
Under $550
Under $1000
Under $2500
All Special Offers
Bundle and Save - Sets
FIND YOUR DIAMOND KIT
about
GUIDE ME
About Menu
About Us
FAQ
Free Warranty & Sizing
Why Lab Grown Diamonds?
Reviews & Press
contact
ENGAGEMENT RINGS
Shop By Shape
Shop All
Oval
Emerald
Round
Radiant
Cushion
Marquise
Pear
Asscher
Princess
Old Mine
SHOP BY METAL
Yellow Gold
White Gold
Platinum
Rose Gold
Two Tone Yellow
Two Tone Rose
Shop By Style
Three Stone
Bezel
Solitaire
Low Profile
Hidden Halo
Cathedral
Twist & Split Shank
East-West
Wide Band
Halo
FEATURED
Ready-to-Ship
Build Your Own Ring
New Arrivals
Colored Lab Diamonds
Unique Engagement Rings
Rings Under $5k
Rings Under $3k
Custom Design
Wedding Bands
Shop By Metal
Yellow Gold
White Gold
Rose Gold
Platinum
Shop By Style
No Diamonds
With Diamonds
Unique Bands
Wide Bands
Bezel Bands
Shop Wedding Bands
Shop All
Jewelry
JEWELRY
All Fine Jewelry
All Special Offers
FIND YOUR DIAMOND KIT
about
About Menu
About Us
FAQ
Free Warranty & Sizing
Why Lab Grown Diamonds?
Reviews & Press
contact
Shop By Shape
Shop All
Oval
Emerald
Round
Radiant
Cushion
Marquise
Pear
Asscher
Princess
Old Mine
SHOP BY METAL
Yellow Gold
White Gold
Platinum
Rose Gold
Two Tone Yellow
Two Tone Rose
Shop By Style
Three Stone
Bezel
Solitaire
Low Profile
Hidden Halo
Cathedral
Twist & Split Shank
East-West
Wide Band
Halo
FEATURED
Ready-to-Ship
Build Your Own Ring
New Arrivals
Colored Lab Diamonds
Unique Engagement Rings
Rings Under $5k
Rings Under $3k
Custom Design
Shop By Metal
Yellow Gold
White Gold
Rose Gold
Platinum
Shop By Style
No Diamonds
With Diamonds
Unique Bands
Wide Bands
Bezel Bands
Shop Wedding Bands
Shop All
JEWELRY
All Fine Jewelry
All Special Offers
About Menu
About Us
FAQ
Free Warranty & Sizing
Why Lab Grown Diamonds?
Reviews & Press
Translation missing: en.general.search.submit
Translation missing: en.general.search.close
Translation missing: en.general.search.predictive_result_count
Translation missing: en.general.search.view_more
Platinum Cathedral Engagement Rings
Home
Platinum Cathedral Engagement Rings
Home
Platinum Cathedral Engagement Rings
Filter By:
Sort:
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Oval Cathedral Ring
Regular price
$1,240+
Regular price
Sale price
$1,240 USD
Unit price
/
per
Radiant Cut Cathedral Ring
Regular price
$1,240+
Regular price
Sale price
$1,240 USD
Unit price
/
per
Radiant Cut Cathedral Pave Ring
Regular price
$1,710+
Regular price
Sale price
$1,710 USD
Unit price
/
per
Load more
Platinum cathedral engagement rings
Choosing a selection results in a full page refresh.
Opens in a new window.
