US Size 4.00

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1390 Products Found
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Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Cushion Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Cushion Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $313.86 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Emerald Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Emerald Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $331.52 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Oval Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Oval Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $333.35 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Pear Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Pear Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $333.14 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Princess/Square Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Princess/Square Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $325.92 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Radiant Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Radiant Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $331.52 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Round Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

Cubic Zirconia Engagement Ring- The Adele (Customizable 7-stone Round Cut Design with Tri-Cluster Accents and Teardrop Fleur-de-lis Motif)

From $350.02 USD
  Hello, dear reader. Mr. Cubic Zirconia here to write this product description today...I hope you won't give me the cold shoulder; please permit me a moment of your time...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Cushion Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Cushion Cut Style with Halo and Twin Round Bezel Accents)

From $511.70 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Emerald Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Emerald Cut Style with Halo and Twin Round Bezel Accents)

From $529.12 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Oval Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Oval Cut Style with Halo and Twin Round Bezel Accents)

From $508.92 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Pear Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Pear Cut Style with Halo and Twin Round Bezel Accents)

From $508.79 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Princess/Square Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Princess/Square Cut Style with Halo and Twin Round Bezel Accents)

From $568.42 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Radiant Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Radiant Cut Style with Halo and Twin Round Bezel Accents)

From $529.12 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adoración (Customizable Round Cut Style with Halo and Twin Round Bezel Accents)

Cubic Zirconia Engagement Ring- The Adoración (Customizable Round Cut Style with Halo and Twin Round Bezel Accents)

From $536.44 USD
The original version of The Adoración ring was discovered by a member of our product design team in Merida, the cosmopolitan center of the Yucatan peninsula. Known as La Ciudad...
Cubic Zirconia Engagement Ring- The Adriana (Customizable 0.5-1.0 Carat Double Bowtie Wide Band Solitaire)

Cubic Zirconia Engagement Ring- The Adriana (Customizable 0.5-1.0 Carat Double Bowtie Wide Band Solitaire)

From $0.00 USD
Designed with a double-bowtie precious metal crafting on either side of a 0.5 or 1.0 carat customizable-cut AAAAA flawless quality Cubic Zirconia, if you look at The Adriana solitaire CZ...
Cubic Zirconia Engagement Ring- The Alanna (Customizable 7-stone with Angled Princess and Baguette Accents)

Cubic Zirconia Engagement Ring- The Alanna (Customizable 7-stone with Angled Princess and Baguette Accents)

From $295.83 USD
Her friends will be green with envy when you bond your lives together with the gift of The Alanna to the woman that makes your blood boil. Isn't this Cubic...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Asscher Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Asscher Cut Solitaire)

From $245.70 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Cushion Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Cushion Cut Solitaire)

From $241.71 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Emerald Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Emerald Cut Solitaire)

From $259.35 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Marquise Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Marquise Cut Solitaire)

From $302.27 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Oval Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Oval Cut Solitaire)

From $261.16 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Princess/Square Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Princess/Square Cut Solitaire)

From $261.31 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Radiant Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Radiant Cut Solitaire)

From $259.35 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Round Cut Solitaire)

Cubic Zirconia Engagement Ring- The Aliyah Rose (Customizable Round Cut Solitaire)

From $285.46 USD
If you're looking for a dazzling display of precision bejeweled craftsmanship, look no further than this simple yet elegant 5A cubic zirconia solitaire. The Aliyah Rose engagement ring is customizable...
Cubic Zirconia Engagement Ring- The Allie (Customizable Asscher Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Asscher Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $751.58 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Allie (Customizable Cushion Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Cushion Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $731.09 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Allie (Customizable Emerald Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Emerald Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $676.07 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Allie (Customizable Oval Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Oval Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $659.86 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Allie (Customizable Princess/Square Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Princess/Square Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $849.10 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Allie (Customizable Radiant Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Radiant Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $676.07 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Allie (Customizable Round Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

Cubic Zirconia Engagement Ring- The Allie (Customizable Round Cut Oversized 2x Halo Style with Knuckle Accented Split Band)

From $802.09 USD
You knew she'd love the double-halo design with a plain metal band in between the two accented-halos, reminiscent of the planet Saturn and its rings. You were also certain she'd...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Asscher Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Asscher Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $375.56 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Cushion Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Cushion Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $371.58 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Emerald Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Emerald Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $389.38 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Heart Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Heart Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $366.48 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Marquise Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Marquise Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $432.31 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Oval Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Oval Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $391.23 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Pear Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Pear Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $390.99 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Princess/Square Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Princess/Square Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $391.47 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...
Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Radiant Cut Style with Dual Oval Cut Accents & Wide Split Band)

Cubic Zirconia Engagement Ring- The Alondra (Customizable Cathedral-set 3-stone Radiant Cut Style with Dual Oval Cut Accents & Wide Split Band)

From $389.38 USD
If an alluring vixen captured your attention, heart (and desire) from the moment you laid eyes upon her - and you're considering a marriage proposal soon - then we say...

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.