4 Carat Diamond Eternity Rings

Jewelry Gemstone
Shape
Shape influences the personality and price of a diamond.
Type
Ring Style
Ring Type
Metal
Price
Many factors impact diamond price. With Ritani's Diamond Price Match Guarantee you can be confident you'll get the best price for a diamond. Tip: Tradition tells you to budget 2-3 months' salary for your ring. We say, just do you.
Carat
Carat is the measure of a diamond's weight and size. We offer an array of high-quality diamonds ranging from 0.18 to 25.00 carats- with 1.00 carat being the most popular.
More Filters
Delivery Date
In a rush to get your diamond? Choose your ideal delivery date.
Delivery Date
Tool Tip Icon
In a rush to get your diamond? Choose your ideal delivery date.
4 interest-free payments of $697.50.
Round-Cut Lab Diamond Bezel Set Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Round-Cut Lab Diamond Bezel Set Eternity Ring

$2,789.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

4 interest-free payments of $720.00.
Shared Prong Round Lab Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Shared Prong Round Lab Diamond Eternity Band

$2,879.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

4 interest-free payments of $750.00.
East-West Half Bezel Emerald Lab Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

East-West Half Bezel Emerald Lab Diamond Eternity Band

$2,999.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $270.83
Learn Now
Half Bezel Emerald Lab Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Most Loved
Add To List
Save for later

Half Bezel Emerald Lab Diamond Eternity Band

$3,249.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $270.83
Learn Now
Shared Prong Emerald Cut Lab Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Shared Prong Emerald Cut Lab Diamond Eternity Band

$3,249.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $275.83
Learn Now
Half Bezel Oval Lab Grown Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Half Bezel Oval Lab Grown Diamond Eternity Band

$3,309.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $280.83
Learn Now
Shared Prong Oval Lab Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Shared Prong Oval Lab Diamond Eternity Band

$3,369.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $282.50
Learn Now
Round Garland Lab Diamond Eternity Ring
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Round Garland Lab Diamond Eternity Ring

$3,389.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $292.50
Learn Now
Marquise Lab Diamond Eternity Ring
Video play badge
25% OFF with code SAVE25
Most Loved
Add To List
Save for later

Marquise Lab Diamond Eternity Ring

$3,509.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $293.33
Learn Now
Emerald-Cut Lab Diamond Bezel Set Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Emerald-Cut Lab Diamond Bezel Set Eternity Ring

$3,519.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $304.17
Learn Now
Emerald Cut Lab Diamond Eternity Ring
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Emerald Cut Lab Diamond Eternity Ring

$3,649.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $320.00
Learn Now
Radiant Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Radiant Cut Lab Diamond Eternity Ring

$3,839.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $322.50
Learn Now
Oval Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Oval Cut Lab Diamond Eternity Ring

$3,869.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $338.33
Learn Now
Princess Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Princess Cut Lab Diamond Eternity Ring

$4,059.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $340.83
Learn Now
Asscher Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Asscher Cut Lab Diamond Eternity Ring

$4,089.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $345.83
Learn Now
Cushion Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Cushion Cut Lab Diamond Eternity Ring

$4,149.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $348.33
Learn Now
Princess Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Princess Cut Lab Diamond Eternity Ring

$4,179.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
5.00

12 payments of $354.17
Learn Now
Radiant Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Radiant Cut Lab Diamond Eternity Ring

$4,249.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
5.00

12 payments of $358.33
Learn Now
Cushion Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Cushion Cut Lab Diamond Eternity Ring

$4,299.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
5.00

12 payments of $364.17
Learn Now
Asscher Cut Lab Diamond Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Asscher Cut Lab Diamond Eternity Ring

$4,369.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
5.00

12 payments of $745.83
Learn Now
Round-Cut Diamond Bezel Set Eternity Ring
25% OFF with code SAVE25
Add To List
Save for later

Round-Cut Diamond Bezel Set Eternity Ring

$8,949.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $828.33
Learn Now
Round Garland Diamond Eternity Ring
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Round Garland Diamond Eternity Ring

$9,939.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $829.17
Learn Now
Emerald Cut Diamond Eternity Ring
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

Emerald Cut Diamond Eternity Ring

$9,949.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

12 payments of $885.00
Learn Now
East-West Half Bezel Emerald Diamond Eternity Band
Video play badge
25% OFF with code SAVE25
Add To List
Save for later

East-West Half Bezel Emerald Diamond Eternity Band

$10,619.99
METAL
14kt
18kt
18kt
18kt
PT
CTW
4.00

You’ve viewed 24 of 40 products

4-Carat Diamond Eternity Rings

4-carat diamond eternity rings are a beautiful choice for your wedding ring, anniversary gift, or milestone gift. These special rings feature a full circle of diamonds. Sometimes called infinity rings, these rings represent your endless love for each other. Ritani offers both lab-grown diamond eternity rings and earth-grown diamond eternity rings. 

The most popular diamond shape for eternity rings is round-cut diamonds. The second most popular choice is emerald-cut eternity rings. 

Please note that eternity rings are not resizable. Contact us today if you would like a free ring sizer. 

Ritani Logo

The Clarity You Deserve

1.888.9RITANI (1.888.974.8264)

Contact Us
Ritani Difference
Our Services

Sign up for exclusive offers and news


Copyright © Ritani 2025