US Size 4.00

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Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Asscher Center)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Asscher Center)

From $503.29 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Cushion Center)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Cushion Center)

From $498.44 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Emerald Center)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Emerald Center)

From $478.24 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Marquise Center)
0.20 Carat0.25 Carat0.30 Carat0.38 Carat0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Marquise Center)

From $447.87 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Oval Center)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Oval Center)

From $462.80 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Princess Center)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Princess Center)

From $470.44 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Radiant Center)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Radiant Center)

From $478.24 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Round Center)
0.25 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Angela (Customizable Whimsical Sculpture Halo-Style with Round Center)

From $467.32 USD
Does an engagement ring have a personality? Is it possible to tell a lot about a woman by the jewelry she chooses to wear? Is it possible to pick out...
Cubic Zirconia Engagement Ring- The Julia (Customizable Thin-Band Oval Cut Solitaire)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Julia (Customizable Thin-Band Oval Cut Solitaire)

$247.82 USDFrom $226.50 USD
A ring that transcends social and economic status, The Julia is a fabulous diamond-imitation engagement ring that all the girls will think is the "real thing". Sporting a 0.50 to...
Cubic Zirconia Engagement Ring- The Julia (Customizable Thin-Band Round Cut Solitaire)
0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Julia (Customizable Thin-Band Round Cut Solitaire)

$236.14 USDFrom $224.13 USD
1 review
A ring that transcends social and economic status, The Julia is a fabulous diamond-imitation engagement ring that all the girls will think is the "real thing". Sporting a 0.50 to...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Asscher Cut with 2x Halo and Prong Accents)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Asscher Cut with 2x Halo and Prong Accents)

From $640.84 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Cushion Cut with 2x Halo and Prong Accents)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Cushion Cut with 2x Halo and Prong Accents)

From $621.47 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Emerald Cut with 2x Halo and Prong Accents)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Emerald Cut with 2x Halo and Prong Accents)

From $586.46 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Oval Cut with 2x Halo and Prong Accents)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Oval Cut with 2x Halo and Prong Accents)

From $585.75 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Princess Cut with 2x Halo and Prong Accents)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Princess Cut with 2x Halo and Prong Accents)

From $578.63 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Radiant Cut with 2x Halo and Prong Accents)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Radiant Cut with 2x Halo and Prong Accents)

From $586.46 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Round Cut with 2x Halo and Prong Accents)
0.25 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Round Cut with 2x Halo and Prong Accents)

From $560.91 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Karly (Customizable Asscher Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Karly (Customizable Asscher Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)

From $679.40 USD
Imagine a special woman, hundreds of years before women were allowed to vote, and she’s storming into a throne room wearing The Karly’s twisting, artisan-styled, three-sided pavé band on a...
Cubic Zirconia Engagement Ring- The Karly (Customizable Cushion Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Karly (Customizable Cushion Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)

From $674.75 USD
Imagine a special woman, hundreds of years before women were allowed to vote, and she’s storming into a throne room wearing The Karly’s twisting, artisan-styled, three-sided pavé band on a...
Cubic Zirconia Engagement Ring- The Karly (Customizable Oval Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)
1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Karly (Customizable Oval Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)

From $694.27 USD
Imagine a special woman, hundreds of years before women were allowed to vote, and she’s storming into a throne room wearing The Karly’s twisting, artisan-styled, three-sided pavé band on a...
Cubic Zirconia Engagement Ring- The Karly (Customizable Princess Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Karly (Customizable Princess Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)

From $653.87 USD
Imagine a special woman, hundreds of years before women were allowed to vote, and she’s storming into a throne room wearing The Karly’s twisting, artisan-styled, three-sided pavé band on a...
Cubic Zirconia Engagement Ring- The Karly (Customizable Round Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)
0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Karly (Customizable Round Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)

From $676.82 USD
Imagine a special woman, hundreds of years before women were allowed to vote, and she’s storming into a throne room wearing The Karly’s twisting, artisan-styled, three-sided pavé band on a...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Asscher Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Asscher Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $418.47 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Cushion Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Cushion Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $413.80 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Emerald Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Emerald Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $429.05 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Marquise Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Marquise Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $444.49 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Oval Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Oval Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $427.67 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Princess Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Princess Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $400.34 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Radiant Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Radiant Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $429.05 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kiana (Customizable Round Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)
0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Kiana (Customizable Round Cut Design with Decorative Cathedral Trellis and Thin Pavé Band)

From $415.86 USD
Your lady doesn’t need to wear flashy jewelry to be impressive, does she? Her grace is noticeable in any crowd, at any time, and wearing anything. Jeans and a t-shirt,...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Asscher Cut 3-stone Design Enhanced with Pavé Band)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Asscher Cut 3-stone Design Enhanced with Pavé Band)

From $438.48 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Cushion Cut 3-stone Design Enhanced with Pavé Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Cushion Cut 3-stone Design Enhanced with Pavé Band)

From $405.11 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Emerald Cut 3-stone Design Enhanced with Pavé Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Emerald Cut 3-stone Design Enhanced with Pavé Band)

From $432.56 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Oval Cut 3-stone Design Enhanced with Pavé Band)
1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat0.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Oval Cut 3-stone Design Enhanced with Pavé Band)

From $431.47 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Princess Cut 3-stone Design Enhanced with Pavé Band)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Princess Cut 3-stone Design Enhanced with Pavé Band)

From $418.32 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Radiant Cut 3-stone Design Enhanced with Pavé Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Radiant Cut 3-stone Design Enhanced with Pavé Band)

From $432.56 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Kristin (Customizable Round Cut 3-stone Design Enhanced with Pavé Band)
0.75 Carat1.00 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat0.50 Carat

Cubic Zirconia Engagement Ring- The Kristin (Customizable Round Cut 3-stone Design Enhanced with Pavé Band)

From $430.30 USD
Count the ticks and tocks for the time it will take you to become an entirely different person after you put on The Kristin. We’re guessing less than ten. This...
Cubic Zirconia Engagement Ring- The Libby Leigh (Customizable 3-stone Cushion Cut Design with Flanking Round Accents and Wide Curve-Split Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Libby Leigh (Customizable 3-stone Cushion Cut Design with Flanking Round Accents and Wide Curve-Split Band)

$287.14 USDFrom $229.00 USD
Neither of them had much in the way of financial success yet. Even financial stability seemed like a fond dream as they scraped by working entry-level jobs whose income was...
Cubic Zirconia Engagement Ring- The Libby Leigh (Customizable 3-stone Emerald Cut Design with Flanking Round Accents and Wide Curve-Split Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Libby Leigh (Customizable 3-stone Emerald Cut Design with Flanking Round Accents and Wide Curve-Split Band)

$302.42 USDFrom $229.00 USD
Neither of them had much in the way of financial success yet. Even financial stability seemed like a fond dream as they scraped by working entry-level jobs whose income was...
Cubic Zirconia Engagement Ring- The Libby Leigh (Customizable 3-stone Heart Cut Design with Flanking Round Accents and Wide Curve-Split Band)
0.50 Carat0.75 Carat1.50 Carat2.00 Carat3.00 Carat4.00 Carat

Cubic Zirconia Engagement Ring- The Libby Leigh (Customizable 3-stone Heart Cut Design with Flanking Round Accents and Wide Curve-Split Band)

$283.76 USDFrom $229.00 USD
Neither of them had much in the way of financial success yet. Even financial stability seemed like a fond dream as they scraped by working entry-level jobs whose income was...

US Size 4.00 Cubic Zirconia Rings

This product collection has the CubicZirconia.com rings, engagement rings and wedding bands that can be manufactured in a U.S. finger ring size of 4.00.

You can see all available cubic zirconia ring sizes here, and filter our rings product catalog by any specific US ring size number. 

Not sure what your finger ring size actually is? Click here for tips and/or order our ring sizing kit to check. We can also help you with sneaky ninja tips to find what her finger ring size is for a confidential surprise gift without her knowing what you're doing!

If you're outside the United States, Canada and Mexico-- which all use the U.S. ring sizing system used primarily on this website store-- then maybe you need our international ring size chart to convert your known international ring size into a U.S. ring size.