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    US Size 4.00

    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. 

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


    $653.87 USD$1,738.89 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)


    $676.82 USD$1,810.71 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 Kate (Emerald Cut with Pave Band)


    $699.77 USD$4,218.66 USD

    Slim, sexy, and maybe a little bit sassy? Yeah, we're talking about you-know-who…isn't she a bonafide beauty? If that describes the lady destined to wear your engagement ring, shouldn't you...

    Cubic Zirconia Engagement Ring- The Katie (Customizable Bar Setting with Round Prong Accents)


    $785.13 USD$2,493.10 USD

    An exquisite engagement ring isn't a prerequisite to hearing "yes" when popping the question to ask the woman you love to spend the rest of your lives together...but it sure...

    Cubic Zirconia Engagement Ring- The Latasha (Customizable Setting with Triple Trellis Halo)


    $1,013.58 USD$5,286.24 USD

    The Latasha can be coy and demure, or bold and blatantly in-your-face with her beauty. Choose the round-cut center CZ gemstone and you'll be able to select from 0.33 all...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Asscher Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $315.34 USD$2,037.86 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Cushion Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $310.66 USD$2,359.19 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Emerald Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $325.97 USD$2,549.84 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Heart Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $307.29 USD$2,353.79 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Marquise Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $342.64 USD$2,460.50 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Oval Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $324.62 USD$2,511.48 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Pear Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $324.36 USD$2,552.15 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Princess Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $297.00 USD$1,898.45 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Radiant Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $325.97 USD$2,549.84 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leilani (Customizable Round Cut Vintage Crown Setting with Oversized Crosshatch Band)


    $308.51 USD$2,039.77 USD

    It’s no wonder so many of us live (and dress) in conformity. The bell rings, you go to class. The bell rings, you leave class. Walk in a single file...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Cushion Cut Design with Split Band and "Lion's Mane" Halo)


    $339.26 USD$3,200.39 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Emerald Cut Design with Split Band and "Lion's Mane" Halo)


    $367.62 USD$3,223.21 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Oval Cut Design with Split Band and "Lion's Mane" Halo)


    $357.74 USD$2,730.00 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Pear Cut Design with Split Band and "Lion's Mane" Halo)


    $345.63 USD$2,372.49 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Princess/Square Cut Design with Split Band and "Lion's Mane" Halo)


    $382.06 USD$3,302.61 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Radiant Cut Design with Split Band and "Lion's Mane" Halo)


    $367.62 USD$3,223.21 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leontine (Customizable Round Cut Design with Split Band and "Lion's Mane" Halo)


    $363.27 USD$2,545.79 USD

    As a grandfather once told a teenage boy**: "A real live Barbie might be fun for a weekend if you're young, but after that there's not much to it but...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Asscher Cut Setting with Under-Halo Trellis)


    $343.77 USD$1,583.88 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Cushion Cut Setting with Under-Halo Trellis)


    $324.44 USD$1,543.43 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Emerald Cut Setting with Under-Halo Trellis)


    $354.29 USD$1,687.04 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Oval Cut Setting with Under-Halo Trellis)


    $338.24 USD$1,596.35 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Princess Cut Setting with Under-Halo Trellis)


    $325.69 USD$1,605.65 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Radiant Cut Setting with Under-Halo Trellis)


    $354.29 USD$1,687.04 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Leslie (Customizable Round Cut Setting with Under-Halo Trellis)


    $326.51 USD$1,536.67 USD

    For all those men who say, “Why buy the cow when you can get the milk for free,” here’s an update for you. Now, according to that cultural-pulse-taker women's magazine...

    Cubic Zirconia Engagement Ring- The Lori Blue (4.04 Carat TCW Asscher Cut Halo with Pear Cut and Pave Accents)


    $1,152.59 USD$5,031.69 USD

    Shop with confidence with the CubicZirconia.com guarantee: Your choice of this 2.5 carat asscher cut CZ engagement ring featuring pear cut accents and pave band is guaranteed for life!  Note:...

    Cubic Zirconia Engagement Ring- The Lori Blue (4.14 Carat TCW Cushion Cut Halo with Pear Cut and Pave Accents)


    $1,152.59 USD$5,031.69 USD

    Shop with confidence with the CubicZirconia.com guarantee: Your choice of this 2.5 carat cushion cut CZ engagement ring featuring pear cut accents and pave band is guaranteed for life! Note:...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Asscher Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $508.42 USD$1,862.95 USD

    ‘Unique’ is an apt description of this prong-set Asscher Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Cushion Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $485.57 USD$1,833.26 USD

    ‘Unique’ is an apt description of this prong-set Cushion Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Emerald Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $520.02 USD$1,986.62 USD

    ‘Unique’ is an apt description of this prong-set Emerald Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty of...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Oval Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $505.12 USD$1,946.31 USD

    ‘Unique’ is an apt description of this prong-set Oval Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty of...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Princess Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $467.41 USD$2,034.40 USD

    ‘Unique’ is an apt description of this prong-set Princess Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty of...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Radiant Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $520.02 USD$1,986.62 USD

    ‘Unique’ is an apt description of this prong-set Radiant Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty of...

    Cubic Zirconia Engagement Ring- The Louisa (Customizable Round Cut Design with Twisting Split Pavé Band and Underhalo Accents)


    $473.02 USD$1,850.19 USD

    ‘Unique’ is an apt description of this prong-set Round Cut engagement ring enhanced by more than a little something extra. If you're looking for an artful engagement ring with plenty of...

    Cubic Zirconia Engagement Ring- The Maleny (Customizable Asscher Cut Design with Round-Accented Band, Micropavé Under-Halo and Decorative Prong Accents))


    $469.57 USD$1,672.73 USD

    The ubiquitous 'they' say she needs to receive a diamond engagement ring...or he must not care very much about you or believe in your future together. You know better. You...

    Cubic Zirconia Engagement Ring- The Maleny (Customizable Cushion Cut Design with Round-Accented Band, Micropavé Under-Halo and Decorative Prong Accents))


    $465.79 USD$2,024.75 USD

    The ubiquitous 'they' say she needs to receive a diamond engagement ring...or he must not care very much about you or believe in your future together. You know better. You...

    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. 




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