Princess Cut

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Cubic Zirconia Engagement Ring- The Jeanna (Customizable Princess/Square Cut 7-stone Style Enhanced with Bezel Accents and Shared Prong Band)
1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jeanna (Customizable Princess/Square Cut 7-stone Style Enhanced with Bezel Accents and Shared Prong Band)

From $567.40 USD
It's the little idiosyncrasies that we love so much. The things you thought would drive you nuts, no... that's the good stuff. The lovely lass in your life has an...
Cubic Zirconia Engagement Ring- The Jeanne (Customizable Bezel-set Princess/Square Cut with Halo & Oversized Floral Design)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jeanne (Customizable Bezel-set Princess/Square Cut with Halo & Oversized Floral Design)

From $523.94 USD
The Jeanne is a like a red-hot ring pop for a sweet but fiery woman whose inner flame cannot be quenched any more than a fortunate man's desire for the...
Cubic Zirconia Engagement Ring- The Jenni Lou (Customizable Bezel-set Princess/Square Cut Design with 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 Jenni Lou (Customizable Bezel-set Princess/Square Cut Design with Split Shared Prong Band)

From $665.11 USD
BOOYAH! The Jenni Lou is a showstopper of an engagement ring that combines modern flourishes with a customer's desire for classic, hand-made precision. For the special lady in your life...
Cubic Zirconia Engagement Ring- The Jennifer (Customizable Bezel-set Princess/Square Cut Design with Thick Band featuring Double-Row Shared Prong Accents)
0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Jennifer (Customizable Bezel-set Princess/Square Cut Design with Thick Band featuring Double-Row Shared Prong Accents)

From $576.31 USD
One look is all you'll need to recognize a ring truly made for supportive sweethearts. Is the woman you love forever a girl at heart? When she writes, does she...
Cubic Zirconia Engagement Ring- The Jennifer Elena (Customizable Princess/Square Cut Style featuring Saddle-shaped Under Halo)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jennifer Elena (Customizable Princess/Square Cut Style featuring Saddle-shaped Under Halo)

From $424.42 USD
The Jennifer Elena has a wild and adventurous spirit (for a ring that's saying something!). You may think we're guilty of personification when we tell you she loves to observe...
Cubic Zirconia Engagement Ring- The Jenny (Customizable Bezel-set Princess/Square Cut Solitaire with Wide Band)
0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat

Cubic Zirconia Engagement Ring- The Jenny (Customizable Bezel-set Princess/Square Cut Solitaire with Wide Band)

From $238.46 USD
There's nothing highfalutin about The Jenny. But there's more than meets the eye here on this webpage where we've priced and pictured The Jenny set with your Princess/Square Cut center...
Cubic Zirconia Engagement Ring- The Jersey (Customizable Princess/Square Cut Halo Design with Open, Ultrawide Harness Double Pavé Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jersey (Customizable Princess/Square Cut Halo Design with Open, Ultrawide Harness Double Pavé Band)

From $638.46 USD
Your buddies might joke about their ladies as the 'old ball and chain'. Other men may seek an obvious inferior as a wife. Not you. You have no worries of...
Cubic Zirconia Engagement Ring- The Jessika (Customizable Cathedral-set Princess Cut Design with Halo and Thin Pavé Band)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat1.25 Carat

Cubic Zirconia Engagement Ring- The Jessika (Customizable Cathedral-set Princess Cut Design with Halo and Thin Pavé Band)

From $500.58 USD
You came, you saw. You picked CubicZirconia.com. Just one more great choice will get you farther along to where you want to go. This sporty engagement ring boasts thirty-eight (38)*...
Cubic Zirconia Engagement Ring- The Jewel (Customizable Princess/Square Cut Cathedral-Prong Solitaire with Decorative X Trellis)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jewel (Customizable Princess/Square Cut Cathedral-Prong Solitaire with Decorative X Trellis)

From $259.45 USD
"We're happy together. Most people wouldn't call it expensive but my fiancé spent the last of his money to buy my 14k gold Princess/Square cut Cubic Zirconia solitaire engagement ring....
Cubic Zirconia Engagement Ring- The Jhenny (Customizable Princess Cut 9-Stone Design with Round Bezel Accents)
1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jhenny (Customizable Princess Cut 9-Stone Design with Round Bezel Accents)

From $397.01 USD
You've probably met many women with the name "Jenny" but the extra "h" for hugs changes the whole script. Made for cheeky dialogue, witty repartee and sensual innuendo, The Jhenny...
Cubic Zirconia Engagement Ring- The Jill (Princess Cut Double Halo with Ultrawide Split-Pavé Band)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jill (Princess Cut Double Halo with Ultrawide Split-Pavé Band)

From $798.53 USD
"Do you like it when I sparkle so brilliantly for you?" might be the question you'd hear this 0.40-5.0 carat Princess Cut CZ center stone be-gemmed engagement ring ask...you know,...
Cubic Zirconia Engagement Ring- The Jime (Customizable Cathedral-Raised Princess Cut with Thick Infinity-Scalloped Band & Peekaboo Accents)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Jime (Customizable Cathedral-Raised Princess Cut with Thick Infinity-Scalloped Band & Peekaboo Accents)

From $260.66 USD
Crazy in love or just plain crazy? Are you excited by the never-ending possibilities of the life that you will share together? The girl who will wear The Jime engagement...
Cubic Zirconia Engagement Ring- The Joanne (2.40 TCW Princess Cut Split Shank)

Cubic Zirconia Engagement Ring- The Joanne (2.40 TCW Princess Cut Split Shank)

From $650.88 USD
2 reviews
If there were a "TooCute4U" section of our website, that's where you'd find The Joanna, this 2.40 total carat weight princess-cut, split-shank engagement ring. She's a one-of-a-kind lady who just...
Cubic Zirconia Engagement Ring- The Jocelyn (Customizable Halo-Enhanced Princess Cut featuring 3-side Accented Split-Band)
0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jocelyn (Customizable Halo-Enhanced Princess Cut featuring 3-side Accented Split-Band)

From $616.05 USD
A 5A diamond-quality Princess Cut CZ stone of 0.65 up to 5.0 carats (your choice) rests gracefully in a delicate halo setting above a shapely contoured split band that when caressed...
Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Princess Cut Solitaire with Tapered Band)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jodee (Customizable Cathedral-set Princess Cut Solitaire with Tapered Band)

From $270.43 USD
Never out of style, the classic solitaire engagement ring is a perennial favorite. The Jodee's polished, tapering-width band will be made with care in your choice of precious metals. Only...
Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Princess Cut Solitaire with Decorative Prong Basket)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Johnnie (Customizable Cathedral-set Princess Cut Solitaire with Decorative Prong Basket)

From $236.48 USD
Unless the world undergoes a radical transformation, the cultural norm of presenting an engagement RING gift during a marriage proposal isn’t going to end any time soon. Sure, there are guys...
Cubic Zirconia Engagement Ring- The Jolene (Customizable Princess Cut with Floral-inspired Clustered Accent Under-halo)
0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Jolene (Customizable Princess Cut with Floral-inspired Clustered Accent Under-halo)

From $433.99 USD
This unique floral-inspired CZ engagement ring is a feast for the senses. What exactly does The Jolene smell like when you open the gift box and take a big whiff of that...
Cubic Zirconia Engagement Ring- The Jordyn Elitza (Customizable Halo-Style Princess Cut with Twisting Pavé Split-Shank)
0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Jordyn Elitza (Customizable Halo-Style Princess Cut with Twisting Pavé Split-Shank)

From $703.28 USD
Only a strong, confident woman should wear The Jordyn Elitza engagement ring, a woman powerful enough to be labeled as a dangerous-to-control substance. This split-band ring with a big chasm...
Cubic Zirconia Engagement Ring- The Josefina (Customizable Halo-Style Princess Cut with Wide Split-Band Pavé)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Josefina (Customizable Halo-Style Princess Cut with Wide Split-Band Pavé)

From $670.02 USD
Envy included. “It must be a tough life” said the tourist, with no small amount of barely-repressed envy, anxiously feeling the minutes slip away until the tour bus would start...
Cubic Zirconia Engagement Ring- The Josemaria (Customizable Vertical 3-stone Princess/Square Cut Design Enhanced with Multi-Halo Accents and Twisted Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Josemaria (Customizable Vertical 3-stone Princess/Square Cut Design Enhanced with Multi-Halo Accents and Twisted Band)

From $449.77 USD
The Josemaria ring design from CubicZirconia.com is alive with symbolism. There are three (3) primary stones in the design-- one large Princess/Square cut center stone in the size of your...
Cubic Zirconia Engagement Ring- The Josepha (Customizable Cathedral-style Princess/Square Cut Solitaire with Decorative Heart Prong Basket)
0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat

Cubic Zirconia Engagement Ring- The Josepha (Customizable Cathedral-style Princess/Square Cut Solitaire with Decorative Heart Prong Basket)

From $240.07 USD
Life can be tough, at times. We wonder and worry, often working ourselves into a tizzy over this or that. Often, it comes down to a fear of how we...
Cubic Zirconia Engagement Ring- The Juana (Customizable Cathedral-raised Princess Cut Design with Halo Accents and Under-Halo Style)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Juana (Customizable Cathedral-raised Princess Cut Design with Halo Accents and Under-Halo Style)

From $403.52 USD
Isn’t she precious? On the surface: simple, calm perfection. Choose this ring with a smaller center stone or a larger one; you can even change the center stone shape using...
Cubic Zirconia Engagement Ring- The Julie Madison (Customizable Princess Cut Style with Halo and Round Cut Journey-Style Band Accents)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Julie Madison (Customizable Princess Cut Style with Halo and Round Cut Journey-Style Band Accents)

From $453.23 USD
It’s common for many guys to wishfully talk about what they’ll do and buy when they ‘win the lottery’. You may want nothing more than to buy the love of...
Cubic Zirconia Engagement Ring- The Junio (Customizable 11-stone Design featuring Princess/Square Cut Center, Vertical Round-Channel Accents & Wide Triple-Rope Band)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Junio (Customizable 11-stone Design featuring Princess/Square Cut Center, Vertical Round-Channel Accents & Wide Triple-Rope Band)

From $309.66 USD
You might have spotted the original version of this 11-stone, Latina-flavored engagement ring in Venezuela. If you've had the pleasure of visiting, we don't have to tell you that Venezuelan...
Cubic Zirconia Engagement Ring- The Justine (Customizable Princess Cut Center 3-Stone Halo-Style)
1.00 Carat1.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Justine (Customizable Princess Cut Center 3-Stone Halo-Style)

From $770.20 USD
You'll be amazed at how you can present this sophisticated AAAAA diamond-quality engagement ring to charm her immediately. Styled in luminous metal-- the Justine is available in pure 925 Sterling...
Cubic Zirconia Engagement Ring- The Kady (Customizable Cathedral-set Princess Cut with Semi-Halo)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Kady (Customizable Cathedral-set Princess Cut with Semi-Halo)

From $311.06 USD
The Kady engagement ring rises above the rest with a cathedral-set, elevated Princess Cut center stone surrounded by twelve (12)* 1.1 mm round cut 5A diamond-quality stones in a semi-halo...
Cubic Zirconia Engagement Ring- The Kaela (Customizable Princess Cut Solitaire with Stackable Band)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Kaela (Customizable Princess Cut Solitaire with Stackable Band)

From $240.81 USD
She held your gaze ever so slightly, smiling first only with the sparkle of her eyes, then looked down demurely. She made you earn that first true smile...and it was...
Cubic Zirconia Engagement Ring- The Kaipo (Customizable 7-stone Princess/Square Cut Style with Triple Round-Bezel Accent Cluster Each Side)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kaipo (Customizable 7-stone Princess/Square Cut Style with Triple Round-Bezel Accent Cluster Each Side)

From $389.87 USD
Be sure you slide this extraordinary 7-stone 5A diamond-quality cubic zirconia engagement ring on the finger of an extraordinary woman, because that's who this lil' sweetheart was made for. It...
Cubic Zirconia Engagement Ring- The Kaitlyn (Customizable Princess Cut with Flanking Baguettes And Round Channel Accents)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Kaitlyn (Customizable Princess Cut with Flanking Baguettes And Round Channel Accents)

From $769.00 USD
She'll have that alluring, sexy feel the moment her hand is bedecked with the unique baguette and round-accented cubic zirconia engagement ring that is the perfect one for you to trumpet your...
Cubic Zirconia Engagement Ring- The Kajal (Princess Cut Tapered Faux Bezel Halo)
1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kajal (Princess Cut Tapered Faux Bezel Halo)

From $382.25 USD
A fictional character once said that “at heart, all women want to be a princess.” We know it couldn’t have been anticipation over a life managing servants on the palace...
Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Princess Cut with 2x Halo and Prong Accents)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Kandie Lue (Customizable Cathedral-set Princess Cut with 2x Halo and Prong Accents)

From $578.63 USD
A thundering herd of admirers will stampede into position to admire this ring...and the woman fortunate enough to wear it. The fresh-faced girl who stole your heart on her way...
Cubic Zirconia Engagement Ring- The Karen (Customizable Enhanced 3-stone Design with Princess Cut Center, Dual Trillion Accents and Wide Pavé-Split Band)
0.75 Carat1.00 Carat1.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Karen (Customizable Enhanced 3-stone Design with Princess Cut Center, Dual Trillion Accents and Wide Pavé-Split Band)

From $484.78 USD
The truth is, there is no perfect woman (except maybe our Aunt Karen). In a second we're going to tell you about the special ring we first made in her...
Cubic Zirconia Engagement Ring- The Karima (Customizable Princess Cut 5-stone style with Quad Bar-set Round Accents)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Karima (Customizable Princess Cut 5-stone style with Quad Bar-set Round Accents)

From $271.38 USD
Looking for the perfect proposal ring for that perfect person for you? Few things in life can be as precious as your loved one's moments of joy, and the engagement...
Cubic Zirconia Engagement Ring- The Karly (Customizable Princess Cut Design with Bypass Halo and 3-sided Artisan Pavé Band)
0.40 Carat0.50 Carat0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat

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

From $653.87 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 Karyn Nya (Customizable 7-stone Princess Cut style with Tapered Band & Round Prong-set Accents)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Karyn Nya (Customizable 7-stone Princess Cut style with Tapered Band & Round Prong-set Accents)

From $282.06 USD
Your lady effortlessly illuminates the path the two of you walk together. When she walks into a room, it just instantly seems to get brighter. Everybody around her notices it....
Cubic Zirconia Engagement Ring- The Kathleen (Customizable Princess Cut Solitaire)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kathleen (Customizable Princess Cut Solitaire)

From $220.41 USD
If the lovely lady destined to wear this customizable-setting solitaire engagement ring has delicate and dainty hands, you may just find yourself singing "Tiny Dancer" as you slide the ring...
Cubic Zirconia Engagement Ring- The Kathryn  (Customizable Princess with Split Band & Round Pave Accents)
0.65 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat

Cubic Zirconia Engagement Ring- The Kathryn (Customizable Princess with Split Band & Round Pave Accents)

From $661.22 USD
Simply stately and elegant: does that describe the woman for whom you're considering buying this customizable setting CZ engagement ring? If so, it's a match made in wedded heaven. Featuring...
Cubic Zirconia Engagement Ring- The Katy

Cubic Zirconia Engagement Ring- The Katy

From $0.00 USD
1 review
Carat Weight: Choose your center stone weight using the drop-down menu below (As pictured: 0.50 Carat Round Cut center stone, 0.50 Carat TCW*). * The exact dimensions and number of...
Cubic Zirconia Engagement Ring- The Kay Adaira (Customizable Bezel-set Princess Cut with Halo and Split-Pavé Band)
0.40 Carat0.50 Carat0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat3.50 Carat5.00 Carat0.65 Carat

Cubic Zirconia Engagement Ring- The Kay Adaira (Customizable Bezel-set Princess Cut with Halo and Split-Pavé Band)

From $757.99 USD
The Kay Adaira is a perfect engagement ring for any woman who believes deeply in the true classic romance some more skeptical (read: bitter) minds are certain only inhabits the...
Cubic Zirconia Engagement Ring- The Kayla Love (Customizable 7-stone Princess/Square Cut Cathedral Style with Triple Graduated Round Cut Side Stones)
0.75 Carat1.00 Carat1.25 Carat1.50 Carat2.00 Carat2.50 Carat3.50 Carat5.00 Carat

Cubic Zirconia Engagement Ring- The Kayla Love (Customizable 7-stone Princess/Square Cut Cathedral Style with Triple Graduated Round Cut Side Stones)

From $333.29 USD
Anyone can buy this best-selling 7-stone engagement ring from CubicZirconia.com. You could buy it for yourself (many women buy our rings as a self-gift, and we say 'go girl'!). Or...

princess square cut cubic zirconia stonesPrincess cut cubic zirconia loose gemstones-- single or wholesale in bulk-- plus rings, earrings, and pendants set with this perennial favorite CZ gemstone cut!  Each princess cut CZ loose stone is shipped to you in a secure, velvet-lined gift box. All loose stones packages ship from the United States, typically within two business days of confirmed purchase. 

--split--

Princess Cut Cubic Zirconia Jewelry, Rings, Earrings, and Loose Stones

When you’re shopping for loose CZ stones on CubicZirconia.com, know that we use carat-equivalent sizes.  That means that when you buy a 2 carat Cubic Zirconia, we match up the size dimensions for a perfect 2 carat diamond and make sure you get a match in size measured in millimeters.  For example, in Princess cut that would be a 7.5 mm CZ stone, or a two-carat princess cut diamond equivalent.  

If you need help figuring out what size your stone is, use our mm/carat comparison chart

Our flawless selection of the finest AAAAA (5A) diamond-quality CZ loose stones are made to sparkle in any setting. Looking for cubic zirconia jewelry set with princess cut CZ gemstones? Click here for our full product catalog of princess cut cz jewelry!

Looking for a custom ring designed with this Princess Cut center stone? Click here for a custom quote

If you need help figuring out what size your stone is, use our mm/carat comparison chart