US Size 4.00

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Cubic Zirconia Engagement Ring- The Alexandra (Customizable Asscher Cut Double Halo Center with Pavé Band)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Asscher Cut Double Halo Center with Pavé Band)

From $738.76 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
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Cubic Zirconia Engagement Ring- The Alexandra (Customizable Cushion Cut Double Halo Center with Pavé Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Cushion Cut Double Halo Center with Pavé Band)

From $702.25 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
Quick view
Cubic Zirconia Engagement Ring- The Alexandra (Customizable Emerald Cut Double Halo Center with Pavé Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Emerald Cut Double Halo Center with Pavé Band)

From $680.00 USD
  Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If...
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Cubic Zirconia Engagement Ring- The Alexandra (Customizable Heart Cut Double Halo Center with Pavé Band)
0.50 Carat0.75 Carat1.50 Carat2.00 Carat3.00 Carat4.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Heart Cut Double Halo Center with Pavé Band)

From $729.61 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
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Cubic Zirconia Engagement Ring- The Alexandra (Customizable Marquise Cut Double Halo Center with Pavé Band)
0.30 Carat0.38 Carat0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Marquise Cut Double Halo Center with Pavé Band)

From $769.99 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
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Cubic Zirconia Engagement Ring- The Alexandra (Customizable Oval Cut Double Halo Center with Pavé Band)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Oval Cut Double Halo Center with Pavé Band)

From $721.67 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
Quick view
Cubic Zirconia Engagement Ring- The Alexandra (Customizable Pear Cut Double Halo Center with Pavé Band)
0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Pear Cut Double Halo Center with Pavé Band)

From $737.72 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
Quick view
Cubic Zirconia Engagement Ring- The Alexandra (Customizable Princess/Square Cut Double Halo Center with Pavé Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Princess/Square Cut Double Halo Center with Pavé Band)

From $803.77 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
Quick view
Cubic Zirconia Engagement Ring- The Alexandra (Customizable Radiant Cut Double Halo Center with Pavé Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexandra (Customizable Radiant Cut Double Halo Center with Pavé Band)

From $680.00 USD
Doesn't this engagement ring with AAAAA diamond-quality Cubic Zirconia and pavé stones just look regal? Can you think of a woman who'd look even more queenly wearing it? If so,...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Asscher Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Asscher Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $438.20 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
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Cubic Zirconia Engagement Ring- The Alexia (Customizable Cushion Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat9.50 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Cushion Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $434.75 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Emerald Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Emerald Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $451.33 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Marquise Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Marquise Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $487.48 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Oval Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Oval Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $440.12 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Princess/Square Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Princess/Square Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $466.16 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Radiant Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Radiant Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $451.33 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexia (Customizable Round Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.00 Carat3.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Alexia (Customizable Round Cut Semi-Solitaire with Under-Halo and Peekaboo Cluster)

From $467.21 USD
Dazzle her with this exclusive bezel-set engagement ring offered by CubicZirconia.com only to the most discerning of jewelry buyers. Do you appreciate a beautiful product that doesn't reveal its every...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Asscher Cut Design with Bypass Halo and Split-Shared Prong Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Asscher Cut Design with Bypass Halo and Split-Shared Prong Band)

From $717.97 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
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Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Cushion Cut Design with Bypass Halo and Split-Shared Prong Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat9.50 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Cushion Cut Design with Bypass Halo and Split-Shared Prong Band)

From $730.38 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Emerald Cut Design with Bypass Halo and Split-Shared Prong Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Emerald Cut Design with Bypass Halo and Split-Shared Prong Band)

From $675.67 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Marquise Cut Design with Bypass Halo and Split-Shared Prong Band)
0.20 Carat0.25 Carat0.30 Carat0.38 Carat0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Marquise Cut Design with Bypass Halo and Split-Shared Prong Band)

From $673.76 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Oval Cut Design with Bypass Halo and Split-Shared Prong Band)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Oval Cut Design with Bypass Halo and Split-Shared Prong Band)

From $675.82 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Princess/Square Cut Design with Bypass Halo and Split-Shared Prong Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Princess/Square Cut Design with Bypass Halo and Split-Shared Prong Band)

From $766.89 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Radiant Cut Design with Bypass Halo and Split-Shared Prong Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Radiant Cut Design with Bypass Halo and Split-Shared Prong Band)

From $675.67 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Round Cut Design with Bypass Halo and Split-Shared Prong Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat3.00 Carat3.50 Carat2.00 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Alexis Rose (Customizable Round Cut Design with Bypass Halo and Split-Shared Prong Band)

From $801.12 USD
Yes, you may be an awesome idea guy and powerful businessman who invented the such and such device. Trademarks. Patents. Copyrights. Royalties. Even at innovation station making millions of dollars...
Quick view
Cubic Zirconia Engagement Ring- The Allie (Customizable Asscher Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat

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...
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Cubic Zirconia Engagement Ring- The Allie (Customizable Cushion Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.65 Carat1.00 Carat1.50 Carat2.50 Carat3.50 Carat5.00 Carat9.50 Carat

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...
Quick view
Cubic Zirconia Engagement Ring- The Allie (Customizable Emerald Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

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...
Quick view
Cubic Zirconia Engagement Ring- The Allie (Customizable Oval Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.25 Carat0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

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...
Quick view
Cubic Zirconia Engagement Ring- The Allie (Customizable Princess/Square Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

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...
Quick view
Cubic Zirconia Engagement Ring- The Allie (Customizable Radiant Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.33 Carat0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

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...
Quick view
Cubic Zirconia Engagement Ring- The Allie (Customizable Round Cut Oversized 2x Halo Style with Knuckle Accented Split Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.50 Carat3.00 Carat3.50 Carat2.00 Carat

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...
Quick view
Cubic Zirconia Engagement Ring- The Alyssa Love (Customizable 6-prong Marquise Cut Design with Round Channel Accents)
0.50 Carat0.75 Carat1.00 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Alyssa Love (Customizable 6-prong Marquise Cut Design with Round Channel Accents)

From $672.52 USD
Breathtaking. The Alyssa Love CZ engagement ring may leave her almost speechless. Hopefully, there's not an awkward silence if you're asking the woman of your dreams to marry you. We...
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Cubic Zirconia Engagement Ring- The Alyssa Love (Customizable 6-prong Oval Cut Design with Round Channel Accents)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Alyssa Love (Customizable 6-prong Oval Cut Design with Round Channel Accents)

From $631.81 USD
Breathtaking. The Alyssa Love CZ engagement ring may leave her almost speechless. Hopefully, there's not an awkward silence if you're asking the woman of your dreams to marry you. We...
Quick view
Cubic Zirconia Engagement Ring- The Alyssa Love (Customizable 6-prong Round Cut Design with Round Channel Accents)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.50 Carat3.00 Carat3.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Alyssa Love (Customizable 6-prong Round Cut Design with Round Channel Accents)

From $649.15 USD
Breathtaking. The Alyssa Love CZ engagement ring may leave her almost speechless. Hopefully, there's not an awkward silence if you're asking the woman of your dreams to marry you. We...
Quick view
Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Cushion Cut Design with Twin Petite Round Accents)
0.65 Carat1.00 Carat1.50 Carat

Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Cushion Cut Design with Twin Petite Round Accents)

From $287.35 USD
    "I always told her she could do whatever she set her mind to doing. I didn't really think she'd do the impossible, though." -- her grandfather. "She's the...
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Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Emerald Cut Design with Twin Petite Round Accents)
0.75 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Emerald Cut Design with Twin Petite Round Accents)

From $304.93 USD
    "I always told her she could do whatever she set her mind to doing. I didn't really think she'd do the impossible, though." -- her grandfather. "She's the...
Quick view
Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Oval Cut Design with Twin Petite Round Accents)
0.50 Carat1.00 Carat1.50 Carat2.50 Carat3.00 Carat4.00 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Oval Cut Design with Twin Petite Round Accents)

From $306.84 USD
"I always told her she could do whatever she set her mind to doing. I didn't really think she'd do the impossible, though." -- her grandfather. "She's the woman I...
Quick view
Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Pear Cut Design with Twin Petite Round Accents)
0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat3.00 Carat

Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Pear Cut Design with Twin Petite Round Accents)

From $306.83 USD
    "I always told her she could do whatever she set her mind to doing. I didn't really think she'd do the impossible, though." -- her grandfather. "She's the...
Quick view
Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Princess/Square Cut Design with Twin Petite Round Accents)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Amariah (Customizable 3-stone Princess/Square Cut Design with Twin Petite Round Accents)

From $307.25 USD
    "I always told her she could do whatever she set her mind to doing. I didn't really think she'd do the impossible, though." -- her grandfather. "She's the...
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.