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Guide for Buying .5 Carat Diamond Rings (8 Questions Answered)

Want to buy a ½ carat diamond ring but have no idea how to go about it?

Excellent! You have stopped at the right place. In this detailed guide, you will learn about:

  • What is a ½ carat diamond ring?
  • How much is a 1/32 carat diamond likely to cost?
  • Which is the best jewelry store to buy ½ carat diamond ring?
  • And much more!

A ½ carat diamond ring is not cheap, as such, you must look into several things so that you get the best deal for the money you are about to spend.

The good news is this guide will give you all that you need to make an informed decision.

Let’s get started.


What Is A ½ Carat Diamond Ring?

A half carat diamond ring, also commonly known as .5 carat diamond ring, is a ring setting that has a total diamond carat weight of .5.

A carat (also ‘ct’) is the standard unit of measuring diamond weight. A carat is equivalent to 200milligrams or 0.2 grams. This means that .5 carat is the same as 100mg or 0.1g.

Other ways of referring to .5-carat diamond are:

  • .5ct or 0.5 ct
  • ½ carat
  • 50 points where 100 points = 1 carat

Even with the standard measurements, no two ½ carat diamond rings look similar because of the difference in color, clarity, and cut.

Carat Is Weight, Not Size

When you go to a jewelry store to buy diamonds, remember diamond carats refer to their weight, not the size. A diamond with more carats does not necessarily mean that it is a larger or better diamond.

You may not get the best value for your money if you base on carat only to select your diamond; you need to also look at the color, cut, and clarity.

Read Here: All You Need To Know About Diamond Carat

The size of a diamond refers to the surface area of its table, different diamond cuts or shapes have different surface areas for their tables.

For example, the table surface area or a round cut diamond is smaller than that of an oval cut diamond.

The Price of a ½ Carat Diamond Ring

A .5 carat price is lower than that of a 1-carat diamond. The cost of buying a ½ carat diamond ring is between 41,000 and $3,500 or higher. Other factors making up the 4Cs like color, cut and clarity of diamond also have a great impact on the price of a diamond. The jewelry store you are buying from also determines the price.

The pricing of ½ carat diamond rings

When deciding how much a diamond ring will cost, most jewelers and vendors look at the carat weight. To be more precise, they look at the diamond’s weight value and the price for every carat of its weight.

The price per carat refers to the total price of the diamond divided by its total weight. For instance, a diamond ring that retails at $3,000 will have a price per carat of $3,000.

The $3,000 price per carat arises from dividing the total price of the diamond which is $3,000 by the carat weight which is 1 carat to get the $3,000 price. If you get a ½ carat diamond that costs $2,000, its price per carat would be $4,000.

Like the 1 carat diamond, a .5 carat diamond will also be priced depending on its clarity, cut, and color grades.

This half carat diamond from James Allen with VVS1 clarity, E color grade, and a Very Good cut goes for $960. On the other side of the coin, there is a .5 carat diamond that is color H (lower) but with similar clarity and cut same as this here but sells at $840.

A single factor, for example, color, is enough to cause an increase in the price of a half carat diamond ring. It is also possible for two separate diamonds having different grades to have the same price. This is only possible if the other 3Cs are balanced properly.

Do not worry if you are not sure which color grade or clarity to choose for your half-carat diamond, this guide will cover the clarity and color ratings a bit later.

The Best Place to Buy ½ Carat Diamond Ring

The best place to start searching for the diamond is online. Do not be in a rush to ask the local jeweler for a piece.

As you go about the online search you will discover that online diamond vendors like Blue Nile and James Allen sell a variety of high-quality diamonds at great prices. Their libraries have extensive collections that allow you to choose preferred, diamond shapes, type of metal, and ring settings.

What this essentially means is that you will be able to find the perfect .5 carat diamond you like without much stress and without denting your wallet.

Based on how long we have been in the diamond industry, our best pick places to buy half carat diamonds are James Allen and Blue Nile online jewelry stores. These two are the topmost preferred jewelry sellers.

Here is the reason:

.5 Carat Diamond Ring from Blue Nile

Blue Nile has a wide collection of fine jewelry and all their diamonds carry grading certificates from either GIA or AGS.

Their diamond collection has fancy shapes including round cut, princess, oval, and marquise. They also have a lot of options for metal types and ring setting styles.

Check out Blue Nile Review here

.5 Carat Diamond Ring from James Allen

James Allen has been in the diamond business for almost 2 decades and has come to be the most trusted online shop for buying diamonds and other jewelry. They carry a variety of diamonds in their inventory.

All the diamonds in Jams Allen’s library have diamond certificates from GIA and AGS. This means that any half carat diamond ring sold to you is graded accurately before pricing.

The products in James Allen also use high viewing technology that allows you to view the diamond quality on your own.

Check Out James Allen Review Here

What Is The Best Clarity For ½ Carat Diamond Ring?

One of the four major things that contribute to diamond quality is its clarity rating.

GIA describes clarity as the absence of blemishes, inclusions, or stains in a diamond stone.

Diamonds are graded from the best to worst depending on the number of surface defects and inclusions. The best clarity of a diamond is the one that has no inclusions visible when a 10x magnifier is used while the worst is the one that has obvious inclusions under a 10x microscope.

The grading scale looks like this:

  • Flawless (FL)
  • Internally Flawless (IF)
  • Very Very Slightly Included (VVS1 and VVS2)
  • Very Slightly Included (VS1 and VS2)
  • Slightly Included (SI1 and SI2)
  • Included (I1, I2, and I3)

The clarity grade of a diamond stone determines how brilliant the diamond will look.

For example, a half-carat diamond ring that has a clarity grade of I3 has inclusions that are easily seen and which affect the stone’s brilliance and transparency. Such kind of a diamond also looks dark and dirty than any other diamond that is VS, VVS, IF, or FL.

This is the reason you will find that the most expensive diamond rings have high clarity. In addition, they are more brilliant, look more beautiful, and are very rare unlike diamonds with lower clarity grades.

VVS2 is the recommended clarity grade for a .5 carat diamond ring. With this clarity grade, most of the blemishes and inclusions cannot be seen without a microscope.

Something to keep in mind is that a high GIA clarity grading will not make any difference if the inclusions are visible. You can find a diamond with lower clarity grade that looks similar to IF or FL but cost much less.

We suggest you go diamond shopping at a retail store that allows you to view your diamond fully to see its clarity grade before ordering it.

We suggest if you cannot afford a diamond with VVS2 clarity grading, go for a lower clarity like VS2 or SI1. If most of its inclusions are near the edges, you can easily cover those in the prong settings.

The Best Color Grade for a ½ Carat Diamond

Not all diamonds have the same color, some have a tint, others look yellowish while there are some which are completely colorless.

When we talk about diamond color, we refer to how colorless the diamond is.

GIA uses specific viewing conditions and lighting to gauge how colorless a diamond stone is. The colors are lined in a color scale. Based on how colorless the diamond is, is assigned a color grade on the scale that ranges from D which is the most colorless to Z which is light.

Higher color ratings denote a more colorless diamond and these will normally be the most expensive of all pieces.

When looking around for a .5 carat diamond ring to buy, go for one that has a color grade between G and I. these normally appear almost colorless to the naked eyes. They are also quite affordable. Furthermore, how the ring is set also affects how colorless it will appear.

When the diamond is set against colored metals like rose gold and yellow gold, the diamond appears colorless even if it has minor tints. White gold and platinum metals will do a good job showing all the inclusions in a diamond.

This ring here is from James Allen. It is set on platinum metal. Let’s compare it to this other one still from James Allen but is 14K set in rose gold. Both are round cut diamonds, VVS2 clarity grade, and color grade J. the first diamond is more yellow than the second.

FAQ About ½ Carat Diamond Rings

Is a ½ carat diamond ring big?

The appearance of a .5 carat diamond stone is affected by the diamond shape, how it is cut, its clarity, and color. It is important to note that the value of carats or the number of carats is not directly related to how big or small the diamond is. A ½ carat diamond is not always smaller than a 1-carat diamond.

For example, this Blue Nile .5 carat oval cut diamond ring looks bigger than a 1-carat princess cut diamond ring such as this one.

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The bottom line

Different ½ carat diamond stones will have different sizes depending on how they are cut and shaped.

If you love a ring that looks big, go for a ring that has an elongated shape and with a large table surface area like pear, marquise, or oval cut diamonds.

What Is The Resale Price Of A ½ Carat Diamond Ring?

Before you sell your ½ carat diamond ring, it is important to understand that you may not break even on its initial price. But, there are a few tricks you can use to get at least as much as its initial value as possible.

First, evaluate the quality of the diamond ring. Look at the color grade, clarity grade, and the cut. How does GIA rate its cut, is it “Excellent” or lower?

With the ring quality in mind, you can go ahead and start looking for a buyer. Online is the best place to resell your .5 carat diamond ring as you will be able to get as much as 70% of its original value if you chose this avenue.

The resale value of a ½ carat diamond ring that you bought at $2,000 can range between $1,200- $1,400. A good example is this ring from James Allen.

If your diamond ring came with a GIA or AGS certificate from the vendor, its price is likely to go up since the quality can be attested to.

How do you get the best deal when buying ½ carat diamond rings?

When looking for the best .5 carat diamond ring, you need to be sure of getting the best deal. Follow the advice we give below to get enough information and get a great price for the diamond of your choice.

The best way to start is to identify and buy from jewelers who sell products that come with AGS and GIA certificates.

These are important diamond accessories that will make you know you are not being scammed and that the .5 carat diamond being sold to you is exactly what it is being claimed to be. Diamond certificates from GIA and AGs are considered the most trusted diamond grading reports. They grade diamonds using very strict and consistent grading guidelines.

In short, GIA and AGS certificates are accurate indicators of the quality of a diamond. Therefore, you are advised to stay away from jewelers and retailers who offer grading certificates from other entities other than these two or do not offer any at all.

James Allen and Blue Nile are reputable jewelry stores that carry GIA certificates for all their diamonds. So, any .5 carat diamond ring you buy from them is accurately graded and the price matches the grades.

Color, clarity, and cut also have an impact on the diamond price. If you are constrained by budget and looking for a fair priced diamond, we recommend the following cut, color, and clarity grades:

  • Clarity: go for eye-clean VS1 or VS2; these have inclusions that are not visible. If you cannot see the blemishes in the .5 carat diamond, then it is as good as an Internally Flawless or Flawless diamond.
  • Color: consider color in the range of G-I for your .5 carat diamond ring, these are almost as colorless as the diamonds in color D-F but are cheaper. If you pick a rose gold or yellow gold setting, even a tinted diamond is good to go. The intense color from the setting will make the tinted diamond appear a little colorless.
  • Cut: the shape of your diamond may not have a great impact on the price, but it is good to choose an ideal cut diamond. You can also found the same cut of diamonds graded as “Excellent cut “by GIA. When the cut quality is high, the diamond gains more brilliance.
  • Shape: when t comes to shape, pick the .5 carat diamond that looks attractive to you. If you care so much about the diamond size, select a diamond shape that has a big table surface area like oval, emerald, pear, radiant, and marquise.

Suggestions for ½ Carat Diamond Rings

Don’t know how to start your shopping from? Here are some of our recommendations.

½ Carat Solitaire Diamond Rings

  • Radiant Cut Solitaire Diamond Engagement Ring in 14K Rose Gold
  • Princess Cut Solitaire Diamond Engagement Ring in 18K Yellow Gold
  • Round Cut Solitaire Diamond Engagement Ring in 18K White Gold

½ Carat Halo Diamond Rings

  • Emerald Cut Halo Diamond Engagement Ring in 14K White Gold
  • Cushion Cut Halo Diamond Engagement Ring in 14K White Gold
  • Round Cut Halo Diamond Engagement Ring in Platinum

½ Carat Pave Diamond Rings

  • Cushion Cut Pave Diamond Engagement Ring In Platinum
  • Princess Curt Pave Diamond Engagement Ring In 14K Rose Gold
  • Emerald Cut Pave Diamond Engagement Ring In 18K White Gold

½ Carat Vintage Diamond Rings

  • Princess Cut Vintage Diamond Ring In 14K Rose Gold
  • Pear Cut Vintage Diamond Ring In 18K White Gold
  • Round Cut Vintage Diamond Ring In 14K Yellow Gold

Our Final Thoughts on ½ Carat Diamond Rings

Looking for a half-carat diamond engagement ring does not have to be difficult, with a little guidance; you can get a gorgeous diamond ring that fits in your budget just fine.

Before deciding on a diamond piece, take enough time to look around different jewelry retail shops as well as the products they offer.

Online stores like James Allen and Blue Nile stock an extensive selection of high quality .5 carat diamond engagement rings. Their prices are also great and you can choose either a readymade ring or custom design your own from a selection of loose diamonds and settings.


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