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In this article we're going to look into:

How Much Is a 3 Carat Diamond?

on Jun 11, 2024

Diamond jewelry is characterized by dazzling brilliance and exceptional elegance, contributing to its timeless and luxurious appeal. While a 1 carat diamond is the most popular option due to its versatility, some opt for larger diamonds and extravagant jewelry to make a statement.

Whether it’s an engagement ring or a delicate chain with a pendant, incorporating a 3 carat diamond is a bold way to declare your love or reflect your style.

In addition to that classy yet glamorous appearance, 3 carat diamonds are considered among the safest investment opportunities.

But how much is a 3 carat diamond? Well, the price of a 3 carat diamond depends on several factors, including its grade (the 4 Cs), market value, and current trends.

In this guide, we’ll walk you through the main aspects that influence the 3 carat diamond price while sharing price examples from reputable online retailers. We’ll also provide some quick and easy buying tips, natural diamond alternatives, and budgeting options to help you make an informed decision.

The 4 Cs: Factors Affecting the Price

Diamonds are graded according to the 4 Cs: carat weight, clarity, color, and cut. These diamond grading scales have been developed by GIA , serving as a universal method for establishing the quality and value of diamonds.

Carat Weight

Diamond carat weight refers to the physical weight of a diamond, with 1 carat being equal to 0.200 grams. Accordingly, a 3 carat diamond weighs exactly 0.600 grams. Generally speaking, a higher carat weight leads to a higher price.

Additionally, diamonds are priced per carat, and the price per carat increases with larger diamonds. Therefore, the price per carat of a 3 carat diamond is higher than that of a diamond with a lower carat weight.

For example, the price per carat of a 1 carat diamond ranges from $2,000 to $15,000, whereas the price per carat of a 3 carat diamond is between $5,000 and $50,000.


The quality and value of a diamond largely depend on the number, type, size, and position of inclusions and blemishes. Therefore, the clarity of a diamond is an essential factor that determines its price.

The diamond clarity grading scale is divided into 6 categories that are further categorized into 11 subcategories. These include:

  • Included (I) Diamonds (I1, I2, and I3)

  • Slightly Included (SI) Diamonds (SI1 and SI2)

  • Very Slightly Included (VS) Diamonds (VS1 and VS2)

  • Very, Very Slightly Included (VVS) Diamonds (VVS1 and VVS2)

  • Internally Flawless (IF) Diamonds

  • Flawless (FL) Diamonds

In terms of pricing, diamonds with fewer and less visible inclusions are more valuable. Contrarily, diamonds with more visible inclusions and blemishes are cheaper.

That being said, an I-grade diamond is the most affordable option, whereas an FL-grade diamond is the most expensive one.

You'll Also Enjoy: VVS Diamond Meaning


The color of a diamond is an important factor that determines its price.

Diamonds come in various colors, ranging from colorless (D, E, and F) to light-colored (from S to Z).

As colorless diamonds are scarce, they are more valuable and rate higher on the color grading scale than diamonds with tints of yellow or brown.

You may notice significant price differences between diamonds that look almost identical. This is because even the slightest difference in color can have a huge impact on the 3 carat diamond cost.


A diamond cut is often regarded as a diamond shape, but what it really refers to is how well a diamond’s facets interact with light.

As the quality of a diamond cut affects the brilliance and overall appearance of the gemstone, it also influences the price.

In general, well-cut diamonds command higher prices due to superior light performance and outstanding sparkliness.

Market Conditions and Trends

diamond market trends and conditions

While diamonds are priced based on their quality, size, and rarity, market conditions and current trends also have a significant impact on their value.

Supply and Demand


The rarity of a diamond is determined by the number of diamonds available on the market and how difficult they are to find.

That being said, the price of a 3 carat diamond largely depends on its supply. Due to the limited availability of high-grade 3 carat diamonds, they tend to be more expensive.

Market Demand

Demand for diamonds fluctuates based on trends and customer preferences, influencing diamond prices.

For example, engagement rings have a steady market demand, which in turn maintains demand for 3 carat diamonds.

Economic Factors

Market Fluctuations

Inflation and global market trends can affect diamond prices. Generally, natural diamond prices increase over time, making them a good hedge against inflation.

Investment Value

As diamonds are often considered relatively inflation-proof, they offer one of the safest investment opportunities. This makes diamonds even more valuable, leading to increased prices.

Pricing Examples

So, how much is a 3 carat diamond?

To get a better idea of how much a 3 carat diamond costs, let’s take a look at the general price ranges and specific examples.

General Price Ranges

diamond price ranges

Based on the pricing, 3 carat diamonds can be classified as low-end, mid-range, and high-end diamonds.

Low End

Low-end 3 carat diamonds have a lower quality according to their grading scales. These diamonds typically feature visible inclusions and blemishes.

The price of a low-end 3 carat diamond ranges from around $15,000 to $30,000.

Mid Range

Mid-range 3 carat diamonds usually have average clarity and color grades, with slightly visible inclusions and a tint of yellow or brown color.

The price of a mid-range diamond that weighs 3 carats starts at $30,000 and can go all the way up to $70,000.

High End

High-end 3 carat diamonds have minimal inclusions and blemishes that are invisible to the naked eye and may not even be detected under 10x magnification. These diamonds offer excellent light performance, leading to higher prices.

The price of a high-end 3 carat diamond ranges from $70,000 to $120,000 and can go even higher for certain grades and shapes.

Real-World Examples

The reputation of a jeweler or brand has a significant impact on diamond prices. High-quality 3 carat diamonds from well-established and highly reputable sources are generally more expensive.

For example, Blue Nile’s 3-carat round diamond with VVS1 clarity, G color, and excellent cut costs $47,130.

77 Diamonds , on the other hand, offers a 3-carat round diamond with the same characteristics for a slightly lower price, $46,872.

In addition, Ritani features a G-color VVS1 3-carat round diamond for $62,199, which is significantly higher.

Buying Considerations

If you’ve decided to purchase a 3 carat diamond as an investment or for crafting custom jewelry, here are some aspects to keep in mind.

Certification and Authenticity

Importance of Certification

Diamonds don’t come with the hallmarks that we see on gold and silver jewelry, making it hard to tell if a gemstone is real without proper certification.

However, some diamonds do come with laser inscriptions that are engraved into the stone, typically on the girdle.

All things considered, diamonds can and should be certified. It’s important to ask for grading reports from reputable, independent, and unbiased gem labs, such as GIA or AGS.

Authenticity Checks

While certification is crucial, checking the authenticity of a given grade report is also essential. To do so, you should carefully observe the diamond, ensuring the laser inscription matches the certification report.

In the case of a GIA grading report, check if it contains a hologram, security screen, and microprint lines that prevent it from being duplicated.

You can also look up a report by entering the report number, making it quite straightforward to authenticate the certificate.

Setting and Additional Costs

Before buying a 3 carat diamond, make sure to consider additional costs that come with incorporating this precious gemstone into jewelry.

Setting Options

There are various setting techniques used to secure and set loose diamonds in jewelry, some being more expensive than others.

For example, the classic prong and solitaire settings are often cheaper, while opting for a pave or tension diamond setting can cost you more.

Additional Costs

Buying a diamond and turning it into jewelry comes with additional costs, such as insurance, maintenance, and custom design fees.

Insuring high-value accessories is always a good idea. Coverage for diamond jewelry typically costs 1-2% of its value.

While you can clean your diamond jewelry at home, it’s recommended to get it professionally cleaned at least 1-2 times per year, which increases the maintenance costs.

Besides, designing and crafting custom jewelry costs more than buying ready-made pieces. Make sure to keep that in mind before buying a loose diamond.

Alternatives and Budgeting

3 carat diamonds are undoubtedly gorgeous, but they can get quite expensive, especially when we’re talking about high-quality diamonds.

If you’re looking for a sparkly gemstone that will add elegant brilliance to your jewelry, here are some affordable diamond alternatives and budgeting tips to help you get started.

Lab-Grown Diamonds

lab grown diamonds

Cost Comparison

A lab-grown diamond is a perfect alternative to a natural diamond. It’s characterized by the same brilliance and gleam while costing 50-80% less than a natural diamond with the same carat weight and grade.

Quality and Appearance

These two gemstones have identical physical and chemical properties, with the only difference that lies in their origin: one is grown in a controlled lab environment and the other is formed naturally in the Earth’s mantle.

Without specialized equipment, you won’t be able to differentiate between a natural diamond and a lab-grown diamond.


Price Difference

Moissanite is an actual precious gemstone that is often regarded as the twin of a natural diamond. Costing about 10 times less, moissanite is the best diamond substitute in its price range.

Visual Aspects

While an untrained eye may not be able to tell a moissanite and a diamond apart, a moissanite has a higher refractive index and produces more rainbow colors than a diamond.

Don’t forget to consider the differences between moissanite and diamond to make an informed decision based on your budget and preferences.

Want to choose between lab-grown diamonds and moissanite ? Learn more about these gemstones in our full comparison guide.

Budgeting Tips

Proper budgeting helps you spend money wisely when purchasing a loose 3 carat diamond.

Knowing how to prioritize the clarity, color, carat weight, and cut type of a diamond will enable you to save some money.

If you’re looking for a flawless diamond, then you should opt for a lower carat weight.

By compromising slightly on the color and clarity, you can afford a higher-carat diamond or one with a better cut.

Make sure to prioritize the 4 Cs based on your personal preferences and budget.


Higher-carat diamonds are perfect for creating engagement rings that stand out. Larger diamonds are also ideal for classy and elegant pendants, sparkling in a dazzling way that catches the eye.

But how much is a 3 carat diamond?

The 3 carat diamond price relies on various factors, including the 4 Cs (carat weight, clarity, color, and cut), diamond availability, consumer demand, inflation, and investment value.

Buying a 3 carat diamond is, indeed, an investment, so it’s important to conduct thorough research before buying one. By purchasing certified diamonds with grading reports from reputable gem labs, such as GIA or AGS, you can easily verify the authenticity of a diamond.

3 carat diamonds can be expensive, so prioritizing things based on your preferences will help you make a purchase that suits your budget.

Joosep Seitam

Joosep Seitam

Joosep was born in Tallinn, Estonia - a small country in northern Europe. He is an entrepreneur and one of the co-founders of Icecartel. Joosep has been in the jewelry industry since 2019, the year when he started the brand from scratch. During these years, Joosep has learned everything there is about the jewelry industry and he's here to share it all!

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