US Size 4.00

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Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Cushion Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Cushion Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)

From $637.22 USD
The Anushka started as a two-stone ring before being changed with accent stone enhancements. The essence of a two-stone ring is an acknowledgment that real love takes two. While we're...
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Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Emerald Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Emerald Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)

From $614.24 USD
The Anushka started as a two-stone ring before being changed with accent stone enhancements. The essence of a two-stone ring is an acknowledgment that real love takes two. While we're...
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Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Oval Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Oval Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)

From $606.35 USD
The Anushka started as a two-stone ring before being changed with accent stone enhancements. The essence of a two-stone ring is an acknowledgment that real love takes two. While we're...
Quick view
Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Princess/Square Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)
0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Princess/Square Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)

From $609.70 USD
The Anushka started as a two-stone ring before being changed with accent stone enhancements. The essence of a two-stone ring is an acknowledgment that real love takes two. While we're...
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Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Radiant Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Radiant Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)

From $614.36 USD
The Anushka started as a two-stone ring before being changed with accent stone enhancements. The essence of a two-stone ring is an acknowledgment that real love takes two. While we're...
Quick view
Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Round Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)
0.50 Carat0.65 Carat0.75 Carat0.80 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Anushka (Customizable Double Round Cut 2-Stone Style Enhanced with Accented Artisan Bypass Band)

From $715.44 USD
The Anushka started as a two-stone ring before being changed with accent stone enhancements. The essence of a two-stone ring is an acknowledgment that real love takes two. While we're...
Quick view
Cubic Zirconia Engagement Ring- The Apryl (Customizable Asscher Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Asscher Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $618.63 USD
Flight or fight? You'll buy this potentially-dangerous 5A Asscher cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Apryl (Customizable Cushion Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat9.50 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Cushion Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $614.68 USD
Flight or fight? You'll buy this potentially-dangerous 5A Cushion cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Apryl (Customizable Emerald Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Emerald Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $573.48 USD
Flight or fight? You'll buy this potentially-dangerous 5A Emerald cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Apryl (Customizable Oval Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Oval Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $568.13 USD
Flight or fight? You'll buy this potentially-dangerous 5A Oval cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Apryl (Customizable Princess/Square Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Princess/Square Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $604.90 USD
Flight or fight? You'll buy this potentially-dangerous 5A Princess/Square cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Apryl (Customizable Radiant Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Radiant Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $573.48 USD
Flight or fight? You'll buy this potentially-dangerous 5A Radiant cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Apryl (Customizable Round Cut Center with 4-sided-Accents Knife-Edged Split-Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat3.00 Carat3.50 Carat2.00 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Apryl (Customizable Round Cut Center with 4-sided-Accents Knife-Edged Split-Band)

From $584.20 USD
Flight or fight? You'll buy this potentially-dangerous 5A Round cut cubic zirconia engagement ring featuring a 4-sided shared prong split-band for the kind of woman who is usually above it...
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Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Asscher Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Asscher Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $431.29 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
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Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Cushion Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Cushion Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $427.17 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
Quick view
Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Emerald Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Emerald Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $443.47 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
Quick view
Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Oval Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat5.50 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Oval Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $445.24 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
Quick view
Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Princess/Square Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Princess/Square Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $421.66 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
Quick view
Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Radiant Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Radiant Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $443.47 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
Quick view
Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Round Cut Design with Cloud-pattern Band & Semi-Eternity Accents)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.00 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Araceli (Customizable Bezel-set Round Cut Design with Cloud-pattern Band & Semi-Eternity Accents)

From $441.77 USD
The Araceli from CubicZirconia.com is more than just a ring to the woman destined to show it off. More than just a ring, it's a gift that embodies the powerful...
Quick view
Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Asscher Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Asscher Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $371.61 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
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Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Cushion Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat9.50 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Cushion Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $368.64 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
Quick view
Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Emerald Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat8.50 Carat14.00 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Emerald Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $431.39 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
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Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Marquise Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Marquise Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $457.94 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
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Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Oval Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat5.50 Carat10.00 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Oval Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $387.74 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
Quick view
Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Princess/Square Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Princess/Square Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $371.61 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
Quick view
Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Radiant Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)
1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat8.50 Carat14.00 Carat

Cubic Zirconia Engagement Ring- The Ariané Contessa (Customizable Cathedral-style Radiant Cut featuring Cluster Accented Filigree Setting & Shared Prong Band)

From $431.39 USD
  Just about the only person whom a woman listens to carefully, follows sincerely and does exactly as he says is a professional photographer. For the rest of us, there's...
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Cubic Zirconia Engagement Ring- The Arianna (Customizable Asscher Cut Design with Loose Halo)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Asscher Cut Design with Loose Halo)

From $391.63 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
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Cubic Zirconia Engagement Ring- The Arianna (Customizable Cushion Cut Design with Loose Halo)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat9.50 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Cushion Cut Design with Loose Halo)

From $371.32 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arianna (Customizable Emerald Cut Design with Loose Halo)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Emerald Cut Design with Loose Halo)

From $348.96 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arianna (Customizable Marquise Cut Design with Loose Halo)
0.20 Carat0.25 Carat0.30 Carat0.38 Carat0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Marquise Cut Design with Loose Halo)

From $346.82 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arianna (Customizable Oval Cut Design with Loose Halo)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Oval Cut Design with Loose Halo)

From $349.06 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arianna (Customizable Princess/Square Cut Design with Loose Halo)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Princess/Square Cut Design with Loose Halo)

From $423.75 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arianna (Customizable Radiant Cut Design with Loose Halo)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Radiant Cut Design with Loose Halo)

From $348.85 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arianna (Customizable Round Cut Design with Loose Halo)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.00 Carat3.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Arianna (Customizable Round Cut Design with Loose Halo)

From $442.18 USD
Now is the winter of our discontent made glorious summer by this daughter of the sun. Most people have probably never seen an engagement ring like this ultra-modern band with her...
Quick view
Cubic Zirconia Engagement Ring- The Arya (Customizable Asscher Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Arya (Customizable Asscher Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)

From $1,078.48 USD
Even a person who notices nothing will notice the woman wearing this ring. From the top view looking down at a magnificently-crafted "double-halo" around the 5A Asscher Cut cubic zirconia...
Quick view
Cubic Zirconia Engagement Ring- The Arya (Customizable Cushion Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Arya (Customizable Cushion Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)

From $1,041.69 USD
Even a person who notices nothing will notice the woman wearing this ring. From the top view looking down at a magnificently-crafted "double-halo" around the 5A Cushion Cut cubic zirconia...
Quick view
Cubic Zirconia Engagement Ring- The Arya (Customizable Emerald Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat8.50 Carat

Cubic Zirconia Engagement Ring- The Arya (Customizable Emerald Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)

From $1,123.63 USD
Even a person who notices nothing will notice the woman wearing this ring. From the top view looking down at a magnificently-crafted "double-halo" around the 5A Emerald Cut cubic zirconia...
Quick view
Cubic Zirconia Engagement Ring- The Arya (Customizable Marquise Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)
0.30 Carat0.38 Carat0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Arya (Customizable Marquise Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)

From $1,088.86 USD
Even a person who notices nothing will notice the woman wearing this ring. From the top view looking down at a magnificently-crafted "double-halo" around the 5A Marquise Cut cubic zirconia...
Quick view
Cubic Zirconia Engagement Ring- The Arya (Customizable Oval Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat5.50 Carat

Cubic Zirconia Engagement Ring- The Arya (Customizable Oval Cut Style with Ultra-wide Pavé Split-Band and Nature-Inspired Double Halo)

From $1,076.44 USD
Even a person who notices nothing will notice the woman wearing this ring. From the top view looking down at a magnificently-crafted "double-halo" around the 5A Oval Cut cubic zirconia...
Quick view
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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.