1.5 Carat Diamond Ring – Shopping And Price Guide

looking for a 1.5 karat diamond ring

So you’re ready to propose -congrats! And you are looking to impress the lady with a whopping 1.5 carat diamond ring that will make her go “Wow!” and say yes. The only problem is, you are completely clueless when it comes to diamonds and don’t even know where to start looking.

With so much on the line, how do make sure you make the best purchasing decisions possible and at a price that your wallet will love?

Here at Beyond4cs.com, I’m going to show you how to utilize a simple scientific approach to buy diamonds and avoid the marketing BS that salespeople will tell you.

Buying diamonds isn’t rocket science. Click here for a step-by-step guide to selecting diamonds and learn how to use Idealscope and ASET imagery to help you determine a diamond’s light performance.

First of All, How Much is a 1.5 Carat Diamond Ring?

Before I reveal the tips for choosing a 1.5 ct diamond, I want to address one of the most common concern people have on their minds; pricing.

If you are wondering how much a 1.5 carat diamond engagement ring costs, the answer is – there are no definite answers. This is because pricing depends on a multitude of factors influenced by the 4Cs.

Let me illustrate this with real life examples below…

cost of one and a half carat perfect diamond

If you are feeling lavish and want to shop at the top end of the quality spectrum, D color/IF clarity diamonds will command a huge price premium because of their rarity. As you can see from the screenshot above, this particular diamond costs a whopping $41,090.

Unless you have an unlimited budget to work with or have symbolic reasons to get an internally flawless diamond, getting a D IF diamond is going to be overkill for most jewelry purposes.

For people who are budget conscious, the good news is that you can still buy a 1.5 ct diamond diamond without breaking the bank. All you need to do is to be smart and practical when it comes to balancing the 4Cs. Check out the diamond below…

whiteflash g vs2 good value for money

At a price of $17,734 ($17,202 after wire discount), this diamond is much more affordable than the D color IF option. Besides that, this G color stone is well cut for light performance and will face up white.

Now, I want to highlight that color differences between a D and a G rating are very difficult for the untrained eye to pick up. Color nuances are even harder to detect once the diamonds are mounted into settings. On top of that, the VS2 clarity is practically indiscernible from an internally flawless diamond to the naked eye.

The point I want to get across here is that diamonds don’t require a D/IF rating to be beautiful. Don’t fall into this beginner’s trap because it is a completely false assumption. With that in mind, here are some of my personal tips to take note of when shopping for a 1.5 ct engagement ring…

Beyond4cs.com’s Tips to Buying One and a Half Carat Diamond Rings

Rule #1 – Never Buy an “Uncertified” Diamond or Rely on Inhouse Grading Reports

trap danger round diamond ring

Have you ever heard a jeweler say something like this: “You are buying a diamond and not the grading report. Why do you care who graded the diamond? Why should you pay more for a GIA report when you can save money with diamonds that are graded by us?”.

If someone tells you that, you better RUN because these statements are all RED FLAGS that the jeweler is out to rip you off. While it’s true that you are buying the diamond and not a piece of paper, having a grading report from a reliable source like GIA or AGS ensures you are getting exactly what is being described.

I repeat again, DO NOT buy uncertified diamonds (or those with unreliable grading reports) and allow unethical jewelers to exploit your greed. You will only end up overpaying for a misrepresented diamond 100% of the time.

Rule #2 – CUT is KING

When buying a diamond ring, do you want it to look sparkly and full of life or do you want it to be lifeless and dull? The answer is pretty obvious if you ask me.

Now, you need to understand that color and clarity doesn’t impact the beauty of a diamond as much as CUT does. I know this may be contrary to what a sales person may tell you.

In fact, many jewelers will tell you that better color and better clarity will ensure a beautiful looking diamond. This is just a load of BS and plain misleading.

Many first time shoppers think that a diamond with the best color and perfect clarity rating is going to visually look the best. After all, it’s only logical that a more expensive diamond would be more beautiful right?


Even if a diamond has the best color/clarity combination but is cut to poor standards, the resultant diamond will look significantly worse than a well cut H color SI1 diamond.

Let me show you 2 examples to illustrate this.

one point five carat d if poorly cut stone

D color; Internally flawless – $31.920

near colorless diamond with ideal optics

I color; VS2 clarity – $11,240

Take a good look at the photographs above and you can probably tell which diamond is more appealing to look at. While the D IF diamond on the left may have the “best” color and clarity properties, the diamond suffers from poor cut proportions and is going to perform poorly when it comes to light return.

With a steep depth of 64.9% and a pavilion angle of 41.8°, this diamond faces up with a measly dimension of 7.15*7.25*4.67 mm. Would you want to pay a huge price premium only to receive a diamond that looks smaller in size and doesn’t sparkle as well?

On the other hand, the I VS2 diamond on the right is priced at a significantly lower cost and faces up larger at 7.40*7.42*4.57 mm. The diamond’s superior cut quality will result in better sparkle and make it a thousand times more appealing to look at.

Rule #3 – Online Retailers Will Offer Better Prices, Selections And Quality

1.5 carat princess, oval and emerald cut diamond

Yep. I said that and you read that right.

Going online is the smartest thing to do if you want to get the best diamond quality and get the most value out of your money.

I know there will always be naysayers who would disagree and say it’s crazy to make such a huge purchase online. But, you know what? E-commerce isn’t the way it used to be and technology has completely changed the game when it comes to buying diamonds.

Going online enables you to scrutinize diamond details with magnified videos and access huge inventories. These are stuff that you will never be able to do easily in a local jewelry store.

Don’t believe me?

I challenge you to visit your local jeweler and make a request to see all their available 1.5 carat diamonds in store. Let me know in the comments below if you have any success with finding a diamond with the exact requirements you are looking for (i.e. E/SI1 GIA XXX and etc).

I am going to bet you will have a hard time doing so. More importantly, the odds of the store having a well cut diamond available are heavily stacked against you.

When it comes to buying diamonds, you need to be selective of the vendors to work with. White FlashEnchanted Diamonds and James Allen are awesome vendors I recommend because of their exemplary service standards and diamond selections.

Why Shopping Online For a 1.5 Carat Diamond is the Way to Go

There are many reasons why I advocate going online instead of shopping at a physical store. However, the 2 most important factors that matters most are better diamond selections and the amount of tangible information available on the diamond.

The first point about having access to better diamond selections is pretty straightforward.

Now, I don’t know about you. But when I go shopping, I like the idea of having more options to select from instead of being forced to make a purchase decision based on limited choices.

Given that the majority (more than 90%) of the diamonds in the market aren’t well cut, the odds of finding a well cut diamond from already limited options is extremely unlikely.

Online vendors are able to list a huge inventory of diamonds and this will allow you to cherry pick the best diamond based on your specifications.

With any given specifications (e.g. 1.5  carat G VS2 round brilliant), you can easily find tens to hundreds of possible options to make a selection from. Compare that to a pathetic one or two diamonds (if you are lucky) available in the local store, that’s a really huge difference.

a list of ideal cut one and half carat diamonds from gia

Online retailers like James Allen and Blue Nile allow you to browse through hundreds of 1.5 carat diamonds in the comfort of your home and away from pushy salespeople. Check them out for yourself today!

The second point may sound a little counter-intuitive especially to first time shoppers. Most newbies will quickly say: “How is it possible that you can get more information about a diamond on the Internet instead of seeing it physically in a store?”

Well, let me pose the question back to you. How do you know whether a diamond is well cut for light performance (sparkle) and what are the things you need to look out for when assessing a diamond? You won’t be getting those information easily because most jewelers are actually clueless about cut quality!

everything is revealed technical analysis

Video technology has enabled interaction with diamonds under magnification anddetail scrutiny!

By using tangible data (indicated by yellow arrow), it eliminates any guesswork when you are shopping for a diamond. As a reference, you can refer to the following charts on ASET, Idealscope and optical symmetry (h&a) to perform your own analysis.

White Flash is a vendor who offers some of the most beautiful diamonds you’ll ever see. Period. And they make it really easy for you to perform indepth analysis with videos and cut data.

Top Three Breathtaking 1.50 Carat Engagement Ring Designs

Before I end this write up, I want to show you some beautiful ring designs that will complement a 1.5 carat diamond nicely. Hopefully, this will offer some inspiration and alleviate frustrations for people who need help finding their dream ring.

18k White Gold Legato Micro Pave Ring – WhiteFlash.com

whiteflash legato pave setting

This ring setting from White Flash is a stunning work of art that incorporates their “Legato” head. What I love about the setting is that they use the best melees and spare no expense when it comes to craftsmanship quality.

Three-Stone Pavé Gallery Diamond Engagement Ring – BlueNile.com

bluenile three stone gallery pave

Made of platinum, this 3-stone engagement ring is very elegant looking and offers the symbolism of past, present and future with your loved one. The pavé-set melees on its side profile add a touch of surprise and sparkle.

14K White Gold Halo Engagement Ring- JamesAllen.com

halo ring 1.5 ct 14k wg

I picked out this James Allen setting because of its gorgeous appearance and good value for money.

The thing I love about halo rings is that they give more bang for your buck. In essence, the placement of melee diamonds around the center stone helps create an illusion of a larger looking diamond.

To browse through more ring designs, check out the following links. These are vendors we highly recommend and have good experiences with: White Flash, Blue Nile and James Allen.

If you have questions or run into problems in picking out a diamond, feel free to reach out to me via email. I’ll do my best to help you out and offer my objective advice.

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  1. Leeroy-
    November 5, 2016 at 3:33 am

    I’ve been very fascinated by your website and your generosity in sharing your knowledge. I’m wondering how big is a 1.5 carat diamond and whether it will look awkward if I set it in a 3 stone ring with 0.5 carat pear cut diamonds by the side.

  2. Paul Gian-
    November 5, 2016 at 8:36 am

    If you want to know how big a 1.50 carat diamond is in relation to other sizes, this chart here will be very useful to you: https://beyond4cs.com/carat/size-chart/

  3. Vernon-
    November 8, 2016 at 3:42 am

    I was offered a 1.5 carat solitaire diamond ring from my jeweler at a price of $13,432. The center diamond is a princess cut and the setting is made of platinum 950. Is this a good deal?

  4. Jason E. Gray-
    November 8, 2016 at 3:43 am

    Thank you for this amazing site and your hard work in educating the public. I’m looking to upgrade my wife’s ring for the 10th year wedding anniversary. I’m looking to buy a 1.5 carat oval diamond in 1 month’s time. Can you help me recommend some stones?

  5. Paul Gian-
    November 8, 2016 at 3:46 am

    It depends on what you are buying. You mentioned that you are getting a 1.5 carat princess cut diamond in a solitaire setting. The important thing here is who graded the stone and what are the specs on it? You can easily do a comparison yourself here by reading this article: https://beyond4cs.com/diamond-prices/

    Once you do that, you will know whether it’s an expensive purchase or not.

  6. Paul Gian-
    November 8, 2016 at 3:46 am

    Sure! Get in touch with me via email with specifications you are looking for the 1.50 ct oval and I’ll do a search for you.

  7. Lillian-
    November 8, 2016 at 1:54 pm

    How much is a 1.5 carat diamond ring worth it is graded by EGL International to be a F color and SI3 clarity?

    Also, I’m trying to figure out the differences between 1 carat vs 1.5 carat sizes and whether I should pay more for the size increase if it isn’t that obvious to untrained eyes.

  8. Paul Gian-
    November 8, 2016 at 1:58 pm

    First of all, EGL International is an unreliable lab and grossly misgrades diamonds. They had been in the center of lawsuits from disgruntled consumers and you should avoid buying them at all costs. Jewelers that sell these types of diamonds are just out to rip people off and it says alot about their integrity.


    The differences between a 1 carat vs 1.5 carat diamond is very significant visually. I don’t think you will need a trained eye to notice the size differences even in casual viewing comparisons. If the cost of a 1.5 ct stone is over your budget, you may want to consider lowering the color/clarity specifications to bring it down to a more affordable cost.

  9. Ann-
    November 16, 2016 at 5:36 am

    Hi Paul

    Thank you for the great website. I have been reading all your posts thoroughly! That being said, I was a bit surprised to see you recommended Blue Nile above, given your previous reviews of their service. I was wondering if something has changed to make you reconsider them?


  10. Paul Gian-
    November 16, 2016 at 3:59 pm

    I only recommend certain diamonds and not everything that’s on BlueNile.com. Basically, BlueNile’s video technology for their signature diamonds are a useful tool for consumers to see and gauge the quality of the stones.

  11. Deborah-
    December 1, 2016 at 4:04 pm

    My friend is interested in a jewellers tennis bracelet…VS1/VS2 …G…cost £4995…. for cash he will reduce price by a £1000.
    Oh set in 14 karat gold.
    Hope you can advise.

  12. Paul Gian-
    December 2, 2016 at 3:46 am

    I don’t have sufficient details on the jewelry piece to offer any constructive advice.

  13. Jesus Bonilla-
    March 10, 2017 at 5:04 am

    Hey thanks for taking the time to write this up, i wanted to know where would u recommended me to look for a 1.5c diamond in the 7500-9000 range thanks in advance

  14. Paul Gian-
    March 10, 2017 at 6:36 am

    It depends on the shape of the diamond you are looking for. For round diamonds, start at the following places:

  15. Ryan o keeffe-
    October 19, 2017 at 9:06 pm

    Hi paul I’m due to propose to my girlfriend and I am trying to buy a 1.5 ct pear shape diamond with the colour h and VVS2 I’m not too well up on this can you inform wheather this is good or bad??

  16. Paul Gian-
    October 20, 2017 at 3:04 am

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