Much More to Come
We will be adding much more content to help you make the best financial decisions for your wedding day. 

0.3 carat cushion cut diamond ring Buying Guide

Discover how our guide can assist you in saving up to $432.
This helpful guide will show you the best ways to save money when purchasing a 0.3 carat cushion cut diamond ring. We want to advise you on where to prioritize your finances and where you can save. Plus, we'll share insider tips on where to find that perfect ring, or maybe even a better one.
Ready to shop without learning?
We have put together a list of the most affordable deals on 0.3 carat cushion cut diamond rings from top online platforms. You can check out our carefully selected options in the linked section.

Diamond Price Guide Overview
8 buying lessons - 5-10 min total read time

Lock in the best deal for the most exquisite 0.3 carat cushion cut diamond ring.

In the upcoming lessons, you'll discover ways to save a lot of money without compromising on a beautiful and dazzling 0.3 carat cushion cut diamond ring. We'll also guide you on how to prevent diamond companies from deceiving you.
Average Price
$488.06
Price Range
$350-$890
Our Max Savings
$432
Lessons 1-4  ∴  Save Money 
Lessons 4 & 5  ∶  Spend Money 
Lessons 6-8  ∴  Personalize & Decide 
⤫ 40% Cash Savings

Lesson 1

Buying Online

Diamond rings purchased online are much cheaper compared to traditional retail stores. In fact, retail stores can be 40% more expensive and offer a limited selection of options.
$330 Cash Savings

Lesson 2

Clarity

Learn how to slash diamond ring prices in half with our clarity tips. Get ready to discover big savings.
$110 Cash Savings

Lesson 3

Color

The color of a diamond is a major factor that impacts its price. We're here to help you understand when to consider this factor for possible savings.
⤫ 85% Cash Savings

Lesson 8

Lab Grown

Lab-grown choices can help you save a significant 85% on a 0.3 carat cushion cut diamond ring, but you might face difficulties when attempting to sell it later on.
☺ Spend Money

Lesson 4

Carat Weight / Size

Women tend to prefer larger diamonds, so that's where you should focus your spending. We can assist you in finding the best size while still saving money on other aspects.
☺ Spend Money

Lesson 5

Cut, Sparkle & Brilliance

The way a diamond is cut has a big impact on how it looks overall. It's really important not to ignore this aspect because it directly affects how the diamond sparkles and stands out from others.
≔ Personalize

Lesson 6

Shapes

The appearance of a diamond ring varies depending on its shape. We will walk you through the unique characteristics and sparkle of each shape.
≔ Personalize

Lesson 7

Setting / Band

If you opt for a single stone band, you'll save money and your diamond will appear bigger. However, it's important to remember that personal preference also plays a role in making this decision.

Lesson 1 - Buy Online
Up to 40% savings here

Get your 0.3 carat cushion cut diamond ring online and you could save up to 40% instantly!

Deciding to buy your jewelry online has many advantages compared to shopping at physical stores, especially when it comes to cost, variety, and personalization. Websites like Blue Nile and James Allen can offer diamonds at significantly lower prices than traditional retailers, often up to 40% less, because they don't have the same expenses for maintaining physical stores. Online stores provide a larger selection of options, giving you the chance to find the perfect diamond from a wide range of choices. They also offer more opportunities for customization, allowing you to design your own ring that perfectly matches your vision. This adds extra value and personal touch to your purchase.

To start designing a budget-friendly, high-quality 0.3 carat cushion cut diamond ring, simply click on one of the 'shop now' links below.

Are you ready to start shopping? Any of our links will take you to the best online diamond companies where you can find affordable, high-quality diamonds from trusted sources.

Our Money Saving Links

Watch us compare pricing with retail stores and our favorite online brands

Ease of Use
Pricing
Selection
Customer Service
Best overall experience, great selection, 24/7 customer support
Ease of Use
Pricing
Selection
Customer Service
Another excellent website for very well priced diamond rings.
Ease of Use
Pricing
Selection
Customer Service
They focus on ethically sourced diamonds. Best option for karma free rings
Ease of Use
Pricing
Selection
Customer Service
They focus on ethically sourced diamonds. Best option for karma free rings
Ease of Use
Pricing
Selection
Customer Service
Mostly here to show you how retail companies are not high quality. 

Lesson 2 - Clarity

The clarity of the diamond is the most significant aspect to consider when determining the price of a 0.3 carat cushion cut diamond ring.

⊗ Up to $572 savings with these tips
Watch us save thousands of dollars by simply selecting the right clarity range.

What is Clarity?

Diamond clarity refers to how many imperfections a diamond has that can be seen. However, when we say "detectable," we mostly mean that these flaws can only be seen with a 10x magnifying lens. Clarity in diamonds ranges from 'flawless' (FL) to 'included' (I), with classifications in between like VS1 (Very Slightly Included), VS2, and SI1 (Slightly Included). These diamonds usually have imperfections that can only be seen with a 10x magnifying glass, so they will appear perfectly clear to the naked eye - meaning nobody will notice any flaws when they look at your ring!

Optimal Clarity Range for a 0.3 carat cushion cut diamond ring

Choosing a diamond in the VS2-SI1 clarity range for your 0.3 carat cushion cut diamond ring can result in significant savings, potentially reducing the total price by as much as $572. When considering the clarity options, we strongly suggest opting for VS2 as it offers a great balance between price and clarity. However, it is important not to disregard SI1 diamonds. By dedicating a few minutes to carefully examining the diamonds, you can easily find ones that appear almost flawless.

One more important tip! Always avoid "cloudy"

This one is simple. Always avoid cloudy diamonds found in the GIA certificate. This is the one flaw that really matters for brilliance. 
☆ These diamonds have identical carat, cut, & color 
Not Recommended
Go with this clarity
FL
IF
VVS1
VVS2
VS1
VS2
SI1
‹ drag left or right ›

FL - Flawless

Cost - $979 This diamond is in perfect condition, without any flaws, but when you look at the cost, it's just too expensive. Savings - You could save $415 - $539 with a VS2, SI1, or SI2 diamond
‹ drag left or right ›

IF - Internally Flawless

Cost - $890 This diamond is flawless on the inside, meaning it has no imperfections internally. However, it might have some flaws on the outside. This is also going a bit overboard. Savings - You could save $326 - $450 with a VS2, SI1, or SI2 diamond
‹ drag left or right ›

VVS1

Cost - $480 The diamond is nearly flawless, but considering its cost, it's still overly expensive. Savings - You could save $-84 - $40 with a VS2, SI1, or SI2 diamond
‹ drag left or right ›

VVS2

Cost - $890 These diamonds are really beautiful, but we recommend opting for a lower clarity option since our eyes can't tell the difference. Savings - You could save $326 - $450 with a VS2, SI1, or SI2 diamond
‹ drag left or right ›

VS1 - Very Slightly Included

Cost - $465 If you are able to find a fantastic deal on a VS1, that's wonderful. However, the clarity levels that come after that provide the ideal balance between price and quality. Savings - You could save $-99 - $25 with a VS2, SI1, or SI2 diamond

‹ drag left or right ›

VS2 - Very Slightly Included

Cost: $564 Total Savings: $-99 - $326 These diamonds provide the highest quality and most affordable prices in terms of clarity. As an ordinary person, you won't be able to detect any flaws in the majority of these diamonds, making them appear perfect to your eyes.
‹ drag left or right ›

SI1 - Slightly Included

Cost: $407 Total Savings: $58 - $483 You won't find a better deal on diamond clarity than this one. Just remember, not all SI1 diamonds are the same. While some may not impress you, many are truly outstanding and could easily be mistaken for a VS2.

Lesson 3 - Color

The color of the diamond you choose has a big impact on the price of a 0.3 carat cushion cut diamond ring.

⊗ Up to $151 savings with these tips
Watch us save thousands by purchasing diamonds in the right range

What is Color?

Diamond color is determined by the presence or absence of a yellow hue. The GIA rates diamond color on a scale from D (no color) to Z (light yellow or brown). When it comes to making jewelry, diamonds that are close to colorless, falling within the G-H range, are typically used. It can be difficult to spot any minor traces of color in these diamonds unless they are compared to higher-graded ones. It's important to note that the differences in diamond color are usually extremely subtle and may go unnoticed by someone without training. However, in larger diamonds, the color may become more noticeable. A diamond within the G-H range, which is almost colorless, will appear that way and be priced more favorably compared to diamonds that are more colorless.

Optimal Color Range For A 0.3 Carat Cushion Cut Diamond Ring

Opting for a 0.3 carat cushion cut diamond ring can potentially lead to significant savings. Rather than splurging on diamonds graded D-F, consider choosing a diamond within the G-J range. By doing so, not only can you still acquire a striking piece, but you can also pocket up to $151 in addition to any savings generated from wise clarity decisions.
Clearest Color
Best Value
Sometimes Ok
D
E
F
G
H
I
J
< drag left or right >

D color

Cost - $488 This diamond is colorless, meaning it has no hints of yellow, you can find these at a good price, but it is not as common. Savings - You could save $83 - $107 with a G or H colored diamond
‹ drag left or right ›

E color

Cost - $459 An E color diamond is a rare, colorless gem of exceptional beauty and value. You can sometimes find them at a great price. Savings - You could save $53 - $78 with a G or H colored diamond
‹ drag left or right ›

F color

Cost - $432 These are near-colorless with only slight traces of color, making it an attractive choice. You'd really have to look closely to figure it out Savings - You could save $26 - $50 with a G or H colored diamond
‹ drag left or right ›

G color

Cost - $406 These are near-colorless with only slight traces of color, making it an attractive choice for it's quality and price. You'd really have to look closely to notice any color Savings - You could save $24 with an H colored diamond
‹ drag left or right ›

H color

Cost - $381 Total Savings: $24 - $107 These are near-colorless with only slightly more noticable hint of color, further making it an attractive choice for it's quality and price. You'd need to have a trained eye to see the color flaw in this one without having a colorless diamond next to it.
‹ drag left or right ›

I color

Cost - $358 Total Savings: $47 - $130 These begin to have a bit more noticable hint of color especially when next to colorless diamonds. These still have unnoticable color if placed on a solitaire ring, but we do not recommend these on a halo ring.
‹ drag left or right ›

J color

Cost - $337 Total Savings: $69 - $151 These also have a slightly more noticable hint of color especially when next to colorless diamonds. These still have unnoticable color if placed on a solitaire ring, but we do not recommend these on a halo ring.

Lab Grown Diamonds

Lab grown diamonds can often cut prices in half and no one will ever notice the difference. 

Lesson 4 - Lab Grown
Save up to 85% on your diamond ring.

Save up to $300 on your 0.3 carat cushion cut diamond ring with a lab grown diamond.

Lab-grown diamonds, which are created in a lab rather than mined from the earth, have the same visual qualities as diamonds found in nature. They are produced in a more environmentally friendly and ethical manner. Additionally, lab-grown diamonds are more readily available and therefore much more affordable. In fact, the cost of a lab-grown diamond can be up to 85% lower than that of a comparable natural diamond.

Consider a lab-grown diamond to minimize your financial loss when selling your 0.3 carat cushion cut diamond ring.

Opting for a 0.3 carat cushion cut diamond ring can potentially lead to significant savings. Rather than splurging on diamonds graded D-F, consider choosing a diamond within the G-J range. By doing so, not only can you still acquire a striking piece, but you can also pocket up to $151 in addition to any savings generated from wise clarity decisions.
Explore Lab Grown 

Lesson 5 - Carat / Size

Focus your money on carat weight when you are shopping for a diamond ring.

Why is Carat Important?

The first thing everyone thinks about when it comes to a diamond ring is the size of the main diamond in the center. In fact, when women are asked, the most important aspect of the ring to them is the size of the center diamond. The carat weight directly affects how big the diamond appears, so we suggest allocating most of your budget towards this.
Watch us compare sizes and help you visualize what you want. 

Choose this Carat Range when looking for a 0.3 carat cushion-cut diamond ring.

We recommend that you check out diamonds ranging from 0.27 to 0.33 carats. This will give you a nice selection of prices without a significant increase in size.
Hand Diamond

1 carat

Explore More Diamond Weights

Lesson 6 - Cut

The sparkle of a diamond is determined by its cut. Ensure you opt for an ideal or excellent cut when purchasing your 0.3 carat cushion cut diamond ring.

Find out why cut makes diamonds sparkle and why you want ideal or excellent cut diamonds.

What is Cut?

If you're on the lookout for the most stunning cushion cut diamond ring weighing 0.3 carats, keep in mind that the cut plays a vital role in determining its sparkle and brilliance. The cut refers to how precisely the diamond's angles are crafted, ensuring perfection and precision.

The diamond companies well-kept secret

It's not always accurate to assume that a diamond with an 'Ideal' cut, which is famous for its maximum sparkle due to perfect proportions, will be the priciest. You might be surprised to know that there are cases where a 'Fair' cut diamond with the same carat, color, and clarity can actually be more expensive. It may seem a bit counterintuitive, but diamonds that are poorly cut can appear larger while lacking the desired sparkle and brilliance. A diamond without any sparkle is just like a kite without its string.

Here's a crucial tip: always opt for GIA Certified Excellent Cut Diamonds (also known as "Ideal" Cut).


Never Buy These
Definitely Buy These
Fair
Good
Very Good
Ideal
Excellent
‹ drag for sparkle ›

Fair Cut Diamond

Look at that dull sparkle... not much to write home about. Stay away from these.
‹ drag for sparkle ›

Good Cut

Still pretty bland in the sparkle area... stay away from these. 
‹ drag for sparkle ›

Very Good Cut

Getting better, but you don't save much money to  
‹ drag for sparkle ›

Ideal Cut

The is as low as you should go
‹ drag for sparkle ›

Excellent Cut

Blue Nile calls it Astor, James Allen calls it True Hearts, and Brilliant Earth calls it Truly Brilliant. 

Regardless, excellent cut diamonds have incredible sparkle.

Lesson 7 - Shape

The sparkle of a diamond can vary based on its shape, and certain shapes can make 0.3 carat cushion cut diamond rings appear more expensive.

What is Diamond Shape?

In this section, you can find a wide range of diamond rings weighing 0.3 carats, each with its own unique shape. The style of a diamond refers to its shape, such as round, oval, or cushion. Certain shapes can make a diamond appear larger, while others offer a stunning sparkle and a timeless charm. You can explore our shape tool to discover the perfect diamond ring that suits your preferences.

What shape to choose?

Some of these shapes will definitely give the diamond a bigger appearance, while others are more fashionable. Nevertheless, when it comes down to it, the choice should be all about what appeals to you and brings you the most joy. If you can't decide, you can always opt for a brilliant cut diamond, which includes shapes like Round, Marquise, Princess, Cushion, Oval, Pear, and Radiant. Round is the most widely seen shape, while Oval and Marquise will make the diamond appear larger, even with the same carat weight.
Watch us compare shapes so you can see exactly what style you prefer. 

Explore other diamond shapes

Try out different diamonds

Hand Diamond
Round
Marquise
Princess
Emerald
Cushion
Oval
Pear
Asscher
Radiant
Heart

Lesson 8 - Setting

The appearance of a 0.3 carat cushion cut diamond ring can vary greatly depending on the band it is paired with.

What is setting?

Also known as the band, the setting is the part of the diamond ring that holds the gem. It's typically made of gold in different shades like white, yellow, or pink gold. Another option you can think about is a band made of platinum. The setting plays a big role in how your 0.3 carat cushion cut diamond ring looks. This is where you can showcase your personal style. Here, we have highlighted the top three settings that people tend to prefer. No matter which one you choose, we suggest going with 14 karat gold. We will explain the reason behind this recommendation later on.
The setting or band is really important for making your diamond look bigger and better. 

Make sure you choose a ring with a 14K Gold band.

This is a really important rule to keep in mind. Avoid using 18k or 24k gold for your jewelry setting. Instead, go for 14k gold. It's important to mention that even though 18k and 24k gold are purer, they're much easier to bend and reshape. If the setting holding your precious diamond is too flexible, there's a much higher chance of the diamond falling out. It's a common problem that many people have experienced.

Solitaire Setting - A Slim Band Accentuates the Look of a Larger Diamond

Studies indicate that the majority of women desire a big diamond. To highlight the visual size of a 0.3 carat cushion cut diamond ring, consider a setting with a thin, delicate Solitaire band. The contrast between the delicate band and the sizable diamond can give the illusion of a larger gem. To enhance this effect, think about settings that include small accent diamonds along the band. These add decorative details without overshadowing the main diamond.

Halo: Enhance the Appearance of Your Diamond by Encircling It with Smaller Ones

To make your 0.3 carat cushion cut diamond ring appear bigger, think about using a halo setting. The little diamonds around it boost the brightness and apparent size of the main stone. You could go for a double halo setting to create a more dramatic illusion. When combined with a thin band, this can turn a smaller diamond into a visually larger and fancy gem.

The main diamond needs to stay the focal point.

Many ladies desire a diamond that looks grand and impressive. If the band is too fancy or wide, it might draw attention away from the diamond, making it appear smaller. If your main goal is to show off your 0.3 carat cushion cut diamond ring, it would be wise to choose a simpler band that doesn't overshadow the stone. However, if you value the overall design of the ring more, a band with intricate detailing might be the ideal choice, but keep in mind that it could diminish the diamond's standout quality.

Build a Custom 0.3 carat cushion cut diamond ring Starting with Our Curated Diamond Selections For The Best Deals

Crafting a customized piece is a personal endeavor, offering the opportunity to design a jewelry item that truly showcases your individual taste and personality, all at a price that is much more affordable than typical store prices. With renowned leaders in the industry such as Brilliant Earth, James Allen, and Blue Nile, you are given the flexibility to personalize every aspect of your ring, from the diamond's shape to the band's design.
Start Building
Watch us take you through the entire building process on our favorite websites.

Decide to shop online with our reliable partners. Each link will take you to an incredible deal on diamond rings.

We have rated each company and every "Shop Now" link will take you to the best prices for high-value diamonds. In simple terms, it uses our specific settings on every website to find the best deals on what you're looking for. Enjoy a wide variety of choices, personalized rings, and excellent customer service.

Our Money Saving Links

Watch us compare pricing with retail stores and our favorite online brands

Ease of Use
Pricing
Selection
Customer Service
Best overall experience, great selection, 24/7 customer support
Ease of Use
Pricing
Selection
Customer Service
Another excellent website for very well priced diamond rings.
Ease of Use
Pricing
Selection
Customer Service
They focus on ethically sourced diamonds. Best option for karma free rings
Ease of Use
Pricing
Selection
Customer Service
They focus on ethically sourced diamonds. Best option for karma free rings
Ease of Use
Pricing
Selection
Customer Service
Mostly here to show you how retail companies are not high quality. 

Virtual Appointment

Let us help you get help by the industry leaders. When you click the button below we will help you choose where to set up your appointment.
Book Appointment

Frequently Asked

Did you want to know even more? Wow you're a great student!

How much is a 0.3 carat cushion cut diamond ring worth?

A 0.3 carat cushion cut diamond ring is worth an average of $500, with a price range of $350 to $890.

How big is a 0.3 carat cushion cut diamond ring?

A 0.3 carat cushion cut diamond ring has a size of approximately 4.3mm in diameter. When compared to a 0.8 carat cushion cut diamond ring, which is 4.8mm in diameter, the difference in size is noticeable. However, when compared to a 0.2 carat cushion cut diamond ring, which is 3.8mm in diameter, the 0.3 carat diamond appears slightly larger.

What does a 0.3 carat cushion cut diamond ring look like like on a hand?

A 0.3 carat cushion cut diamond ring is relatively small and delicate on a hand. It has a width of approximately 4.5mm, which accounts for around 26.7% of the finger's width.

What is the price of a 0.3 carat cushion cut diamond ring?

The price of a 0.3 carat cushion cut diamond ring falls within the range of $350-$890.

Is a 0.3 carat cushion cut diamond ring good enough?

Yes, a 0.3 carat cushion cut diamond ring can be considered good enough. While it may not have the same level of brilliance and size as larger diamonds, it can still be visually appealing and make for a beautiful piece of jewelry. The quality of the cut, clarity, and craftsmanship also play a significant role in determining the overall desirability of the ring.

Is a 0.3 carat cushion cut diamond ring big?

No, a 0.3 carat cushion cut diamond ring is not considered big. The average carat weight for a diamond engagement ring is about 1.2 carats, so a 0.3 carat diamond is significantly smaller. While it may still be beautiful, it will appear more delicate and dainty on the finger.

What does a 0.3 carat cushion cut diamond ring weigh?

A 0.3 carat cushion cut diamond ring weighs 0.06 grams.

Should I get a 0.3 carat cushion cut diamond ring?

A 0.3 carat cushion cut diamond ring is a popular choice for those who prefer a smaller and more delicate look. It offers a balance between affordability and elegance, making it a suitable option for everyday wear or as a gift.

Is a 0.3 carat cushion cut diamond ring too big?

No, a 0.3 carat cushion cut diamond ring is not too big.

Is a 0.3 carat cushion cut diamond ring small?

A 0.3 carat cushion cut diamond ring may be considered small compared to larger carat sizes. However, the appearance of the diamond can also be influenced by factors such as the cut, shape, and setting of the ring. Additionally, personal preferences and finger size can also play a role in determining whether the diamond is perceived as small or not.
Diamond Rotate
LazyLoad Youtube Video
LazyLoad Diamond Video
crossarrow-down-circle