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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 Anniversary Ring Band, Style 12-461 (0.25 TCW Round Prong)


    $485.71 USD$1,267.91 USD

    This custom-designed hand-made "stackable" anniversary ring with round prong side stones is as stylish as any you're likely to find! Feel free to pair this anniversary band with a number...

    Cubic Zirconia Engagement Ring- 2.68 Carat Flower-Inspired Halo with Infinity Pave Band and Milgrain


    $1,711.00 USD$8,261.97 USD

    This is easily one of the most distinctive engagement rings in our entire product catalog. Let's just say it's a head turner what with almost 3 total carats of nature-inspired,...

    Cubic Zirconia Engagement Ring- 4.15 TCW Celebrity Replica Kaitlyn Bristowe's Ring


    $1,262.39 USD$5,110.77 USD

    Love her or hate her, this Kaitlyn Bristowe celebrity replica engagement ring is one gorgeous stunner. Not available for naming rights program. Center Stone Shape: Cushion CutSide Stone Shape: Round...

    Cubic Zirconia Engagement Ring- Customer Designed Style 5433


    $1,740.30 USD$3,395.50 USD

      Details Carat Weight: 2.5 Carat Center Stone, 2.69 Carat TCW* for the engagement ring; 0.875 Carat TCW for the matching band. Total carat weight for both rings together is...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Asscher Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $822.60 USD$1,765.87 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Cushion Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $818.61 USD$2,061.37 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Emerald Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $850.30 USD$2,185.36 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Oval Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $866.16 USD$2,118.99 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Princess/Square Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $838.11 USD$2,067.98 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Radiant Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $850.30 USD$2,185.36 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Aashi (Customizable Round Cut Design with Infinity-inspired Split Pavé Band and Bezel Peekaboo Accents)


    $820.56 USD$2,401.55 USD

    Now here's a name that you won't often hear! Aashi is a short yet unique name that means 'smile' in the Sanskrit language. What can be better than a life...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Asscher Cut Style with Under-halo and Shared Prong Band)


    $549.51 USD$1,617.02 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Asscher cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Cushion Cut Style with Under-halo and Shared Prong Band)


    $545.51 USD$2,025.85 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Cushion cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Emerald Cut Style with Under-halo and Shared Prong Band)


    $562.12 USD$1,948.32 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Emerald cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Marquise Cut Style with Under-halo and Shared Prong Band)


    $611.29 USD$1,533.90 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Marquise cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Oval Cut Style with Under-halo and Shared Prong Band)


    $563.99 USD$1,806.02 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Oval cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Princess/Square Cut Style with Under-halo and Shared Prong Band)


    $590.41 USD$1,881.28 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Princess/Square cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Radiant Cut Style with Under-halo and Shared Prong Band)


    $562.12 USD$1,948.32 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Radiant cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Adalynn (Customizable Cathedral-Bezel Round Cut Style with Under-halo and Shared Prong Band)


    $578.60 USD$1,659.95 USD

    SURPRISE! Someone should call Oprah Winfrey about The Adalynn engagement ring, because she's so full of surprises and so is this cathedral-raised, bezel-set Round cut ring style. In fact, we'd...

    Cubic Zirconia Engagement Ring- The Aiko (Customizable Cathedral-Halo Asscher Cut Design with Carved Metal Accent plus Pavé Band)


    $923.60 USD$2,073.55 USD

    To paraphrase a wise, ancient Oriental philosopher: "no woman is old who has a child's heart." That's the kind of woman to whom we dedicate this lovely vintage engagement ring...

    Cubic Zirconia Engagement Ring- The Aiko (Customizable Cathedral-Halo Cushion Cut Design with Carved Metal Accent plus Pavé Band)


    $905.03 USD$2,146.26 USD

    To paraphrase a wise, ancient Oriental philosopher: "no woman is old who has a child's heart." That's the kind of woman to whom we dedicate this lovely vintage engagement ring...

    Cubic Zirconia Engagement Ring- The Aiko (Customizable Cathedral-Halo Emerald Cut Design with Carved Metal Accent plus Pavé Band)


    $944.83 USD$2,297.28 USD

    To paraphrase a wise, ancient Oriental philosopher: "no woman is old who has a child's heart." That's the kind of woman to whom we dedicate this lovely vintage engagement ring...

    Cubic Zirconia Engagement Ring- The Aiko (Customizable Cathedral-Halo Oval Cut Design with Carved Metal Accent plus Pavé Band)


    $924.49 USD$2,066.26 USD

    To paraphrase a wise, ancient Oriental philosopher: "no woman is old who has a child's heart." That's the kind of woman to whom we dedicate this lovely vintage engagement ring...

    Cubic Zirconia Engagement Ring- The Aiko (Customizable Cathedral-Halo Princess/Square Cut Design with Carved Metal Accent plus Pavé Band)


    $905.84 USD$2,279.42 USD

    To paraphrase a wise, ancient Oriental philosopher: "no woman is old who has a child's heart." That's the kind of woman to whom we dedicate this lovely vintage engagement ring...

    Cubic Zirconia Engagement Ring- The Aiko (Customizable Cathedral-Halo Radiant Cut Design with Carved Metal Accent plus Pavé Band)


    $944.83 USD$2,297.28 USD

    To paraphrase a wise, ancient Oriental philosopher: "no woman is old who has a child's heart." That's the kind of woman to whom we dedicate this lovely vintage engagement ring...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Asscher Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $877.81 USD$2,426.30 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Cushion Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $763.80 USD$2,526.68 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Emerald Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $921.41 USD$2,496.15 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Oval Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $921.46 USD$2,491.44 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Princess/Square Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $893.30 USD$2,602.63 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Radiant Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $921.41 USD$2,496.15 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimi Namiko (Customizable 3-stone Design with Round Cut Center, Cushion Side Stones, Triple Halo and Bridge Under-halo)


    $927.56 USD$2,454.67 USD

    We're very proud of our jewelry design team's ability to provide a twist on the traditional engagement ring styles that just might express how you feel about her better than...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Asscher Cut Style with Prong Accents Enhancement)


    $423.28 USD$1,330.48 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Cushion Cut Style with Prong Accents Enhancement)


    $419.31 USD$1,591.62 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Emerald Cut Style with Prong Accents Enhancement)


    $400.61 USD$1,571.97 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Oval Cut Style with Prong Accents Enhancement)


    $438.88 USD$1,559.82 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Princess/Square Cut Style with Prong Accents Enhancement)


    $451.92 USD$1,637.27 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Radiant Cut Style with Prong Accents Enhancement)


    $400.61 USD$1,571.97 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Aimy Jo (Customizable Cathedral-Raised Round Cut Style with Prong Accents Enhancement)


    $474.01 USD$1,507.74 USD

    If you don't want the answer - or can't handle the truth - then don't ask. But for those few men with the courage to ask, listen, and act on...

    Cubic Zirconia Engagement Ring- The Akiko (2.11 TCW featuring Cathedral-style Oval Cut Center with Bezel Peekaboos))


    $407.03 USD$2,024.28 USD

    The Akiko prances pristine on the right left-hand ring finger, lending an air of the exotic geisha-gal who's secretly an empress awaiting her prince's first kiss...all without being pretentious. Like...

    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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