Top 10 Best .5 Carat Diamond Rings | 2021 Reviews + Guide

Best .5 Carat Diamond Rings

Buying a diamond ring can be a bothersome experience, especially for guys. If you plan a proposal, but on a tight budget, you can get discouraged just by thinking about how much a single diamond ring can cost. You may even consider working on a budget depending on your financial situation and the specific preference of your fiancé-to-be.

Whenever diamonds are mentioned, the cost seems to fly out the window. However, buying an affordable diamond ring doesn’t have to be this way. Getting a half-carat diamond ring can help ease the cost while still achieving a decent size for an engagement ring. 

A half-carat diamond doesn’t mean lesser in size and brilliance. In some countries, a half-carat diamond is an average size for an engagement ring. In truth, you can find better varieties than a full-carat diamond if you are armed with the right information.  

Diamond prices vary significantly, and half-carat diamonds are no exception. They are still considered a high-priced item, which means you need to consider your options carefully.  

This jewelry buying guide will help you find the best .5 carat diamond rings while getting the best value for your budget. You will also discover two of the most reputable online jewelers, Blue Nile and James Allen.  

Read on and follow the tips in this article to buy a .5-carat diamond ring with much confidence. 

Top 10 Best .5 Carat Diamond Rings Reviewed

  1. Marquise-Cut Diamond Presentation Solitaire Ring by James Allen – Best Overall
  2. Channel-Set Princess-Cut Diamond Ring by Blue Nile – Best Value
  3. Vintage Infinity Princess-Cut Diamond Engagement Ring by James Allen – Editor’s Choice
  4. Hidden Sapphire and Diamond Ring by Blue Nile
  5. Etched Rope Solitaire Round Diamond Engagement Ring by James Allen
  6. Scalloped Pavé Diamond Ring by Blue Nile
  7. Round Diamond Bypass Engagement Ring by James Allen
  8. Astor Classic Six-Prong Solitaire by Blue Nile
  9. Spiral Tension Set Round Diamond Engagement Ring by James Allen
  10. Classic Halo 1/2 Carat  Diamond Engagement Ring by Blue Nile

#1. Marquise-Cut Diamond Presentation Solitaire Ring by James Allen – Best Overall

Marquise-Cut Diamond Presentation Solitaire Ring by James Allen

Specifications:

  • Carat: 0.50
  • Cut: Marquise
  • Color: E 
  • Setting: Six prong setting
  • Clarity: VS2
  • Metal: 14k white gold

Caught on a tight budget for a diamond engagement ring? Worry no more, as James Allen proves that beauty and affordability can go hand-in-hand. The Presentation Solitaire Marquise-Cut Diamond Ring is one of the top-selling solitaire 0.5-carat diamond rings in James Allen’s engagement ring collection. It features a knife-edge diamond solitaire with a classic appeal of its marquise-cut diamond center stone.   

For those who want a bigger looking half-carat diamond, this one is a fantastic option for you. Instead of getting a round diamond, a marquise cut’s elongated appearance will give your ring the shine it deserves.

You can get this 0.5-carat diamond solitaire ring in six different metal bands, including platinum, 14k white, yellow, rose gold, and 18k white or yellow gold. The setting price starts at $240, and the marquise-cut diamond is around $870. Add up the price, and you can get this entire set at around $1,100 only. Now you can get a decent looking half-carat diamond without spending a hefty sum!

ProsCons
Excellent craftsmanshipIncludes visible imperfections
Relatively affordableStone is way too small
Sturdy feel

#2. Channel-Set Princess-Cut Diamond Ring by Blue Nile – Best  Value

Channel-Set Princess-Cut Diamond Ring by Blue Nile


Specifications:

  • Carat: 0.49
  • Cut: Princess-cut
  • Color: H
  • Setting: Channel
  • Clarity: VS2
  • Metal: 950 platinum

Whether you are looking for a cheaper wedding band or a stackable diamond fashion ring, this Blue Nile ring is a fantastic budget option for you. The Channel-Set Princess-Cut Diamond Ring features fourteen princess-cut diamonds in a classic platinum channel band. 

This 0.5-carat diamond ring in princess cut introduces a unique take on thin wedding bands by adorning it with dazzling princess-cut diamonds along its shank. You will certainly love how this ring brilliantly shines as it envelops your finger from all angles.

This elegant ring makes an ideal wedding band or an anniversary gift for your wife. You can also use it as a stackable ring for an extra touch of glimmer. At half-carat, you can get this ring for only $1,690. 

ProsCons
The band makes the ring look more spectacular.A bit smaller than advertised
Comfortable fitNot shiny enough
Great finish

#3. Vintage Infinity Princess-Cut Diamond Engagement Ring by James Allen – Editor’s Choice

Vintage Infinity Princess-Cut Diamond Engagement Ring by James Allen

Specifications:

  • Carat: 0.50
  • Cut: princess-cut
  • Color: K
  • Setting: prong-setting
  • Clarity: VVS2
  • Metal: rose gold

If you had enough of the typical thin metal bands for engagement rings, then you might want to consider this next selection. The Vintage Infinity Engagement Ring takes on a more elegant twist to the traditional engagement ring. It features a classic eternity style with fine milgrain and beading detailing along its shank.

This half-carat ring is a perfect complement to any diamond cut of your choice. You may consider getting a princess-cut for a bigger impression. This style is perfect for ladies who don’t prefer a pavé setting but would love a subtle twist to a solitaire.  

You can get this in five other metals, such as platinum, 18k yellow or white gold, and 14k white, yellow, or rose gold. The setting price starts at $710, and the princess-cut diamond with VVS2 clarity is at $530. 

ProsCons
Superb craftsmanshipSlightly too big
Sparkles beautifully 
Vintage, yet simple

#4. Hidden Sapphire and Diamond Ring by Blue Nile

Hidden Sapphire and Diamond Ring by Blue Nile

Specifications:

  • Carat: 0.56
  • Cut: Round
  • Color: I
  • Setting: Common prong setting
  • Clarity: S12
  • Metal: 14k white gold 

For those who are looking for a modern twist of the pavé diamond setting, the Hidden Sapphire and Diamond Ring is a great option for you. For those who love the vivid blue shade of sapphire and the diamond’s irresistible brilliance, you may want to consider this piece as a stunning addition to your jewelry collection.

It features medium blue sapphires running along the white gold band’s inner shank while round diamonds dazzle around the top. This design gives this ring an extended brilliance at every angle.

This ring makes a stunning wedding band or a stylish stackable ring. You can match it with a vivid blue dress or just any formal outfit. You can get this half-carat diamond and sapphire ring for only $1,590. 

ProsCons
A perfect combination of diamond and sapphireSapphire detailing is too hard to see. 
Reasonably priced
Very stylish

#5. Etched Rope Solitaire Round Diamond Engagement Ring by James Allen

Etched Rope Solitaire Round Diamond Engagement Ring by James Allen

Specifications:

  • Carat: 0.50
  • Cut: Very good cut round diamond
  • Color: J
  • Setting: Prong setting
  • Clarity: VS2
  • Metal: 14k white gold 

Engagement ring bands are not only limited to sleek and plain metals. There are also some unique designs with stunning details and engravings along its shank. One example is the Etched Rope Solitaire Engagement Ring from James Allen. It features a split prong solitaire ring with an etched rope design adorned by milgrain edges. 

 This ring proves that you don’t have to settle with plain-looking metal bands. Its fine details give its center stone an added touch of brilliance without looking too flashy. With its elegant details, it will certainly give off breathtaking simplicity when worn around your finger.

This item makes a great engagement ring for women who love intricate details on their jewelry. She will easily fall in love with its fine etched rope detail on any precious metal. You can also get this in platinum, 18k yellow or white gold, and 14k white, yellow, or rose gold. 

ProsCons
Simple yet eye-catchingHigh possibility of the stone falling out.
Finely made settingMay get deformed when worn daily
Very thick band

#6. Scalloped Pavé Diamond Ring by Blue Nile

Scalloped Pavé Diamond Ring by Blue Nile

Specifications:

  • Carat: 0.50
  • Cut: Round
  • Color: I
  • Setting: pavé setting
  • Clarity: S12
  • Metal: 18k yellow gold

If you think a traditional solitaire diamond ring is not for you, you will definitely like this exclusive Blue Nile offering. The Scalloped Pavé Diamond Ring is a stunning half-carat pavé set diamond ring in an enduring 18k yellow gold. Its round diamonds make a brilliant accent along its shank, giving this ring an extended luster in all angles.

Due to its thin yellow gold band, you can use it as a stackable fashion ring. It also makes a nice wedding band if you want a subtle twist for a traditional yellow gold ring. If you want a sturdier version, you can get it in platinum for $1,990. Meanwhile, those on a budget can buy this for only $1,690 in 18k yellow or white gold.

ProsCons
Diamond details are more prominent in person.Design requires careful maintenance.
Sits close to the finger
Dainty yet sparkling

#7. Round Diamond Bypass Engagement Ring by James Allen

Round Diamond Bypass Engagement Ring by James Allen

Specifications:

  • Carat: 0.50
  • Cut: Very good cut round diamond
  • Color: F
  • Setting: Prong-type setting
  • Clarity: VS1
  • Metal: Platinum

Everyone wants a fresh and modern take on traditional solitaire engagement rings. That is why you can find some of the unique designs in James Allen’s online inventory, including the Platinum Bypass Round Diamond Engagement Ring. It is a sophisticated diamond bypass engagement ring featuring a luxurious handcrafted contoured band in platinum.

This stunning ring makes a modern and dreamy interpretation of the traditional vintage engagement ring. Its contoured band gives an elegant touch to its round brilliant-cut diamond center stone.

This ring goes well for women who don’t prefer intricate or flashy details on their engagement ring. You can also get this in different precious metals, including platinum, 18k white or yellow gold, and 14k white, yellow, or rose gold. The setting price starts at $772, and a 0.5-carat diamond price is at $1,250. 

ProsCons
Excellent diamond standardThe ring band seems too thin. 
Perfectly craftedA little expensive
Unbeatable price

#8. Astor Classic Six-Prong Solitaire by Blue Nile

Astor Classic Six-Prong Solitaire by Blue Nile

 

Specifications:

  • Carat: 0.48
  • Cut: Astor Ideal
  • Color: F
  • Setting: Prong-setting
  • Clarity: VS2
  • Metal: 950 platinum 

Finding a half-carat diamond ring that gives off maximum luster and brilliance is very unlikely. However, thanks to Blue Nile’s Astor Ideal-cut diamond collection, getting a ½ carat diamond is now possible. The Astor Classic Six-Prong Solitaire is a six-prong solitaire in a classic engagement ring style. It is crafted in sleek platinum metal to showcase the diamond’s brilliance. 

Blue Nile’s Astor diamonds are specifically crafted to maximize its brilliance. You can guarantee its sparkle and quality as it is graded by both GIA and GemEx. You can also get a certified GIA report and a complimentary appraisal to prove this ring’s authenticity.

This ring is perfect for women who are settled with a classic solitaire engagement ring. Despite its simple design, its extended brilliance gives off a large presence on your finger.  

ProsCons
Emits maximum brillianceExtremely expensive

#9. Spiral Tension Set Round Diamond Engagement Ring by James Allen

Spiral Tension Set Round Diamond Engagement Ring by James Allen

Specifications:

  • Carat: 0.50
  • Cut: Good cut round diamond
  • Color: J
  • Setting: tension-set
  • Clarity: SI1
  • Metal: 14k white gold

If thin metal bands aren’t your thing, then this next selection will certainly sweep you off your feet. The Spiral Tension Set Round Diamond Engagement Ring is nothing short of sophistication and drama. It is a spiraling tension-set solitaire ring that gives you a full view of your chosen loose diamond. 

This diamond ring is a great option for those who like a modern style for their engagement ring without deviating from the usual tradition. You will certainly get mesmerized with its sleek and chunky metal band that perfectly highlights its center stone. 

You can also get this in other precious metals, including platinum, 14k rose, yellow, or white gold. However, the setting price can be a little pricey, which starts at $2,430.

ProsCons
Modern looking tension settingScratches very easily
Simple yet bold design
Very sassy appearance

#10. Classic Halo 1/2 Carat  Diamond Engagement Ring by Blue Nile

Classic Halo 1/2 Carat  Diamond Engagement Ring by Blue Nile

Specifications:

  • Carat: 0.48
  • Cut: Very good cut round diamond
  • Color: I
  • Setting: Prong setting
  • Clarity: SI2
  • Metal: 14k white gold 

Not all people want to settle with a simple solitaire diamond ring. They want an eye-catching piece that will certainly turn heads. The Classic Halo Diamond Engagement Ring is not your typical half-carat diamond ring. It features a .5-carat round center diamond in rhodium-plated 14k white gold. It comes with ¼ carat of pavé-set diamonds around its halo and shank. 

This engagement ring is an ideal piece if you want to go all out for your proposal. You will be getting the sweetest yes from your fiancé once you put this around her finger. What’s more surprising is that this ring is only $2,590, which is much cheaper than other rings on this list.

ProsCons
Fine, intricate details A little flashy and over-the-top
Very elegant design

Top Pick for Best .5 Carat Diamond Rings: Marquise-Cut Diamond Presentation Solitaire Ring by James Allen

With thousands of styles, precious metals, and center stone combinations to choose from, finding the best diamond ring can be a tough process. In truth, not all people share the same tastes in jewelry. While others find an avant-garde piece stunning, others may find it too over-the-top or flashy.

Buying an engagement ring may seem a personal decision. Although designs go in and out of style, the essential factor when buying a diamond ring is that it should complement your taste and, most of all, your budget.

While this buying guide enumerated all the best 0.5-carat diamond rings from James Allen and Blue Nile, there is one item that has caught the eye of many jewelry fanatics. Garnering more than 400 reviews on James Allen’s site, the Marquise-Cut Diamond Presentation Solitaire Ring is the top pick for the best 0.5-carat diamond ring.

This ring is perfect for budget-minded shoppers who are caught on a tight budget for a diamond ring. This stunning ring proves that beauty and affordability can go hand-in-hand. This solitaire 0.5-carat diamond ring features a knife-edge diamond solitaire with a classic appeal of its marquise-cut diamond center stone.

The Presentation Solitaire Ring is a fantastic option if you want a larger looking half-carat diamond. Instead of a half-carat round diamond that appears too tiny, a marquise-cut with an elongated surface will give off a bigger impression and maximum brilliance. 

Most of the recommended diamond rings in this article came from James Allen and Blue Nile. These online jewelers can give you various price points, from elegant yet cheaper options to various designs in intricate and costly settings. You may continue reading this guide if you want to know more about .5 carat diamond rings.


Best Brands for .5 Carat Diamond Rings

Nowadays, shoppers have a better chance of searching for affordable diamond rings at online jewelers than their physical counterparts. Online jewelry retailers have minimal overhead costs associated with running a physical store, including sales staff, rent, and security. You can also find hundreds of different styles at various price points, allowing you to get quality options. 

This buying guide highly recommends James Allen and Blue Nile, one of the top online jewelry retailers. They offer a great selection of styles, ring settings, metal styles, and different diamond cuts. Read below to get to know their jewelry brand. 

Blue Nile

Blue Nile is one of the top retailers of diamonds and fine jewelry on the Internet. The company started in 1999 under Mark Vadon, Blue Nile’s founder and current executive chairman. It all began when Mark got frustrated with his search for an engagement ring. He discovered that many customers are often overwhelmed and confused by traditional jewelry shopping. From this idea, he acquired Internet Diamonds and built his online jewelry website called Blue Nile.

The company’s mission is based on the idea of innovating the jewelry shopping experience by providing more jewelry selections at the best price and compelling values. Today, Blue Nile provides in-depth information materials and handy online tools, allowing their consumers to shop at their own pace.

Blue Nile offers thousands of certified diamonds and jewelry at affordable prices below traditional retail. Each of their pieces come with quality standards and modern designs. 

James Allen

Established in 2006, James Allen is a leading online jewelry retailer that has completely transformed the way customers shop for diamonds and jewelry. The company started as a small online jewelry website called dirtcheapdiamonds.com, led by a husband and wife team in 1998. Despite being new in the online jewelry scene, the brand became the first successful online diamond dealer. 

In 2005, the website went through a major rebranding with a new company name called James Allen. The company adopted a more sophisticated image, which soon led them to become one of the largest diamond and jewelry retailers globally. They aim to provide their consumers with better selections of high-quality diamonds and jewelry at the best value and price.

James Allen is the first online jeweler to use a 360° Diamond Display Technology, where they showcase more than 200,000 conflict-free diamonds in a highly magnified image. They also provide hundreds of customizable jewelry and 24/7 real-time diamond inspection services. 


Features to Consider When Buying .5 Carat Diamond Rings (Buyer’s Guide)

The actual size of a .5-carat round diamond is around 5.2mm by 5.2mm. This size may seem too little for those who want a larger looking diamond but have a tight budget. This section will provide tips on getting the best value out of a half-carat diamond ring.

Design

The most cost-effective technique to get a larger looking diamond ring is to get a halo design. A halo ring design can upsize your 0.5ct diamond. With its encircling melees surrounding its center stone, the design produces an illusion of a large diamond when viewed at a distance. 

Diamond prices tend to jump at every half-carat due to demand and psychological factors. However, when choosing a halo setting, consider getting a 0.4ct center stone to achieve the best result. 

Shank

Rings with thinner shanks help accentuate the center stone by making it appear larger when worn. The highly recommended shanks should be between 1.6 to 1.8 mm in thickness to highlight the center stone. One example is a petite pavé-set diamond ring with flushed fitting. This design can showcase the size of a diamond.

Clarity Grade

As much as possible, go for lower color and clarity grades. Why? Picking a smaller sized diamond gives you more flexibility when picking the color and clarity since it is difficult to detect its hue and inclusions. You can save more money by choosing a diamond with low color and clarity. The money you saved can be allotted for a larger diamond with a carat weight of 0.55 to 0.60ct.

If you are willing to put much effort into screening diamonds, you find eye-clean SI2 diamonds with well spread-out blemishes or inclusions. You can do this by utilizing the diamond display technology offered by Blue Nile and James Allen. 

You can also find larger diamonds within your budget range if you use the 3D videos provided by the online jeweler. This way, you can assess a diamond ring’s quality, especially those with a lower clarity range. Remember that your ultimate goal is to find a larger carat value and pay less for it.

Shape

For those looking for diamonds that appear bigger for their carat size, you may consider choosing fancy shapes, such as the oval, marquise, and pear-shaped diamonds. It is because the elongated outline of these shapes forms a larger looking face up impression.

Setting

Besides picking the best half-carat diamond, finding the best ring setting that will go along with the center stone is the best way to make the most out of your purchase. A simple and no-frills four-prong setting makes an affordable diamond ring for those who prefer the classic feel of a traditional solitaire engagement ring. It goes well with any diamond shape due to its versatile design.

For those who prefer a .5-carat princess-cut diamond ring, pavé settings and milgrain finishing are the most compelling designs that will highlight your center stone. Pavé shanks with melee diamonds add extra depth and brilliance to a diamond ring, while milgrain finished settings add a layer of detail to its overall appearance.  

Meanwhile, a half-carat heart-shaped diamond goes well with a classic pavé setting with a twist. Its intertwining shanks add a touch of bling to the center diamond. Also, a swirl-style setting is a fantastic choice. Its pavé shanks and signature curves will give a half-carat diamond an extra spark it deserves. 


Conclusion

Finding a .5-carat diamond ring shouldn’t be a stressful shopping experience. All you need is an in-depth guide to help you discover the best options and pick a half-carat diamond ring that works within your budget and personal preference.

Taking time to consider various jewelers and compare different jewelry and prices will help you make a worthwhile choice. One example is the Marquise-Cut Diamond Presentation Solitaire Ring, the top pick for the best 0.5-carat diamond ring. 

This diamond ring is perfect for those caught on a tight budget for a diamond engagement ring. This James Allen ring proves that an elegant diamond ring doesn’t have to be pricey. This solitaire half-carat diamond ring features a knife-edge solitaire band with a classic touch of the marquise-cut diamond center stone.

The Marquise-Cut Diamond Presentation Solitaire Ring is a great choice if you want a half-carat diamond that appears slightly bigger. With its marquise-cut diamond, the stone gives off a bigger impression and maximum brilliance.

In the end, the carat value should not be your only consideration when choosing a diamond ring. You may get an affordable half-carat diamond, but if it is made of poor quality, what you are buying is simply made out of expensive glass. 

When buying a half-carat diamond ring, adjust your search by including diamonds between 0.45 to 0.55 carats. Then, use the 4 C’s to find the highest quality diamond that works within your budget range. 


FAQS (Frequently Asked Questions)

How can I get the best diamond value for a .5-carat diamond ring?

When choosing a .5-carat diamond ring, you need to ensure you’re getting the best value for your money. The first thing to do is buy only from jewelers that provide GIA or AGS certificate for their diamonds. This way, you can guarantee that the .5-carat diamond ring you are buying is what the jeweler claims and avoid getting ripped off.

James Allen and Blue Nile offer diamond certificates from the GIA and AGS, so any diamond ring you purchased from them have been accurately graded and evaluated. Also, don’t forget to consider the 3 Cs (clarity, color, and cut), as they impact the price you will be paying. 

Is a .5-carat diamond ring worth selling?

If you plan to sell your .5-carat diamond ring, you need to know that it is almost impossible to break even at its original price. However, you can follow a few steps to get higher chances of retaining a diamond’s ring original value. 

You can start by evaluating the overall quality of your half-carat diamond ring. It includes the clarity rating, color grade, and cut. Once you know the figures, start looking for potential avenues to resell them. It is recommended to sell your .5-carat diamond ring online, as it allows you to retain between 60 to 70 percent of its original price. 

If you got the ring from a reputable jeweler with a GIA or AGS certificate, you are more likely to sell it for a bigger price. 

How big does a .5-carat diamond ring look like?

Factors including the color, clarity, and cut can influence how a half-carat diamond ring will look. Keep in mind that although a .5-carat diamond looks smaller than a one-carat variety, carat value has nothing to do with its original size. A .5-carat oval-cut diamond may appear even bigger or almost the same as a 1-carat princess-cut diamond. 

The main idea is that .5-carat diamonds may vary in size and appearance, depending on their shape and cut. If you are looking for a larger-looking .5-carat diamond, pick an elongated variety with a slightly larger table surface area, such as marquise, pear, or oval cut.

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