How Much is a Half Carat Diamond Worth?

The first question that may arise is how much is a half-carat diamond worth? It is easier to find an eye-clean half-carat diamond than a larger-carat-weight diamond. However, you should still perform detailed analysis with HD video and high-resolution imagery. Although the average SI1 grade is considered flawless, you should not be afraid to go lower if you find a diamond with some inclusions. The brighter the sparkle, the more expensive the stone will be.

Half-carat diamonds are priced at $1,000 to $1,500, although lower prices may represent a lower-quality diamond. A half-carat diamond measures 5.1mm in diameter. Some diamond shapes are larger in appearance, such as the oval, pear, and marquise. The more expensive diamonds are larger and look larger in physical dimensions. Nevertheless, the price of half-carat diamonds will increase with the size of the stone.

What is the Price of A 1/2 Carat Diamond Ring?

A half-carat diamond might cost anywhere from $700 and $3,500 or more for a flawless diamond.

The cost of a diamond varies substantially depending on its quality. One is carat weight; larger diamonds are nearly usually more expensive per carat than smaller diamonds.

Apart from carat, a diamond’s price is determined by its Cut, Color, and Clarity grades.

At $3,820, this 0.50 carat, D color, Flawless Diamond, is about as good as it gets for a half-carat diamond. On the other hand, a 0.50 carat K/I1 diamond costs only $450.

The price difference between two diamonds, as well as the variation in quality, is enormous.

Realistically, buying a completely flawless diamond at this carat weight — or any weight, for that matter – is rarely a good idea. Any gains in Color and Clarity beyond a certain threshold are simply undetectable to the human eye. However, they are still more expensive.

In the case of the flawless diamond, you’re essentially paying extra to be able to declare your diamond is flawless. It would be more cost-effective to purchase this H Color VVS2 Clarity Diamond, which will appear identical to the naked eye but is a third of the price. Alternatively, if you wanted to spend around $3,800 on your ring, you could save money by moving down a few grades in Color and Clarity and investing the savings in a larger diamond, such as this 0.93 carat diamond for the same price.

Cut, Colour, And Clarity of A Half-Carat Diamond

When buying a diamond, whether it’s a 1/2 carat diamond or not, it’s critical to strike the correct balance between grades and avoid overpaying for grades that don’t make a noticeable difference.

The one quality you don’t want to skimp on is the cut. A diamond with a poor cut, such as this one, will lack the brightness and fire that diamonds are known for. Only buy diamonds with a Cut rating of Excellent or Ideal.

Aside from that, it’s all about finding the right balance of quality and value. No one will be able to tell the difference between the highest grades in Color and Clarity unless they examine a diamond using sophisticated equipment.

Eye-clean refers to Clarity and denotes the absence of visible imperfections or blemishes to the naked eye. Inspecting a diamond is the only way to know for sure if it is eye-clean or not. With a grade of SI2 or higher, the item is likely to be eye-clean. However, some diamonds, in most cases shapes, conceal inclusions better or worse than others, and imperfections in larger diamonds are more likely to be visible.

Diamonds are graded for color from D (highest) to Z (lowest) according to their colorlessness. Outside of intensive study, lower grades have a clear yellow or brown tint, but once you get past a specific threshold, the diamond should seem colorless.

You’ll want to check the diamond firsthand, just like with clarity, to see if it appears colorless. However, a grade of I or higher should suffice in many circumstances.

It would help if you also looked at the diamond in its setting since the setting can alter the color grade, making it appear greater or lower than it is. A yellow gold or rose gold setting, for example, can effectively disguise the yellow tinge that a diamond with a low color grade, such as an I or even a K, is likely to have.

Here are Some Beautiful ½ Carat Diamond

1/2 Carat Round Diamond Solitaire Ring in 14K White Gold

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  • In 14K white gold, a beautiful diamond solitaire ring. The 1/2 carat round diamond in the center is the focal point. Experienced jewelers hand choose and place the stone. A stunning 1/2 carat diamond solitaire ring will be cherished for a lifetime.
  • EXPERIENCED JEWELERS CREATED – Szul has a team of jewelry industry specialists with over 20 years of expertise in supplying diamond and precious metal jewelry. We find the most cost-effective materials from all around the world and combine them with top-notch manufacturing services. Experienced jewelers manually choose stones to achieve the highest level of setting skill and detail. All goods are inspected for quality by a GIA Graduate Gemologist and come with a full money-back guarantee.
  • SZUL OFFERS A WIDE VARIETY OF FINE JEWELRY PERFECT FOR YOUR WIFE, DAUGHTER, NIECE, GRANDFATHER, BEST FRIEND, GIRLFRIEND, HUSBAND, BOYFRIENDS, AND MOST IMPORTANTLY – YOURSELF! Szul has a large range of diamond rings, wedding bands, bracelets, earrings, pendants, and necklaces to choose from, whether it’s for a birthday, anniversary, Christmas, Valentine’s Day, Mother’s Day, Father’s Day, an engagement, wedding, or bridal party gifts.
  • DIAMONDS WITHOUT CONFLICT – At Szul, ethically sourced material is a major priority. All of the raw material suppliers and related mines we interact with worldwide must follow strict labor, trade, and environmental rules, ensuring that precious stones are conflict-free when purchased.

Is a Diamond of Half a Carat too Small?

While a 1/2 carat diamond is on the smaller side of engagement ring diamonds, it is far from insignificant. When it comes to diamonds, size isn’t everything. A 0.5-carat diamond can still be a stunning and elegant engagement ring; however, a larger diamond with worse grades in other areas may not be up to par.

A 1/2 carat diamond is the ideal combination of price and quality. When comparing a 0.5-carat diamond to a 1-carat or larger diamond, you can save a lot of money and have more money to ensure the diamond has the right level of fire and brightness.

If the visual look of a 1/2 carat diamond ring concerns you, consider placing it in a halo setting, which can amplify the main stone and provide the illusion of a larger diamond.

What is the Best Place to Buy a 1/2 Carat Diamond Ring?

There are a lot of locations to buy a half-carat engagement ring, but not all of them are the best value or offer the range you need to find the perfect half-carat diamond ring without compromising.

Most online diamond suppliers are the greatest option since they can provide a range and value that most brick-and-mortar stores can’t. Several diamond stores we’ve visited stand out for their variety, value, customer service, and overall positive experience.

There are a few things to check for when dealing with any diamond vendor to guarantee you don’t end up with a low-quality diamond or, worse, being misled into overpaying.

Only look at gems that come with a respected certificate. The GIA and AGS are two organizations that may be trusted to grade diamonds honestly and independently. This is a significant red flag if a diamond doesn’t have one of these certificates (examples are displayed below) or the vendor can’t supply one.

What are Different ½ Diamond Ring Shapes?

There are many distinct diamond shapes, as we mentioned previously. There isn’t a single shape that is “better” or “worse” than the others, which is mostly a matter of personal preference.

You may pick the timeless elegance of a round brilliant diamond or the distinctive grace of a pear or oval cut diamond. Certain settings, as well as certain finger kinds and hand shapes, make certain shapes look better.

If you’re looking for the most obvious appearance, oval, marquise, and pear shapes have the most surface area. Princess cut and Asscher cut diamonds, on the other hand, appear smaller than practically all other shapes at the same carat weight.

Recognize that size isn’t everything. A 1/2 carat princess cut diamond ring, on the other hand, will appear modest. In many settings, a round brilliant diamond can be substituted for a princess cut diamond, and it may help you receive a higher perceived value because it appears somewhat larger.

What is the Size of a Half-Carat Diamond?

The diameter of a 0.5-carat round diamond is roughly 5.1mm. However, depending on the diamond’s form and how it is cut, it may appear slightly larger or smaller.

This is because carat refers to weight rather than size. A half-carat is equal to 100 milligrams (0.1 gram).

Even though each 1/2 carat diamond has the same weight, some may appear larger or smaller than others. Certain diamond shapes, such as the oval, pear, and marquise cut diamonds, have a larger table size, referring to the visible area while viewing a diamond from the top down.

On the other hand, Asscher and princess cut diamonds have a smaller than usual table size and may appear smaller than a diamond of a different shape at the same carat weight.

The cut quality can also influence the size of the diamond. This diamond, for example, is graded Good for Cut, which is a lower rating than you’d prefer. As a result, it has a slightly smaller diameter than the typical carat weight, with dimensions of 4.85mm x 4.88mm (5.1mm).

Another 0.50 carat diamond, on the other hand, has an Ideal cut grade. The proportions of this diamond, 5.09mm x 5.10mm, are therefore consistent with a 0.5 carat round diamond. The second one is larger despite having the same carat weight and form as the first diamond.


Buying a diamond requires some knowledge. While you should know exactly what you want and follow the process, you should also be aware of the scams that may appear on the market. You must also be able to determine the value of a half-carat diamond to avoid falling victim to a scam. By identifying these pitfalls, you can make the right choice to purchase a diamond and avoid costly mistakes.

While a half-carat diamond has the same size and weight as a full-carat diamond, it is still worth considering the shape of the stone. Half-carat diamonds may be smaller, and the quality of their cut will influence how large they are. It is possible to find half-carat diamonds that are cut in a manner that will maximize the sparkle and appeal of the stone.