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Lab Diamond Carat & Cost
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Looking for the perfect engagement ring ? Learn the essentials about lab-created diamonds before you shop. Discover how lab-grown diamonds compare to natural diamonds, including the differences in price, quality, and value. Watch our quick and informative video below to start your diamond and carat size research with confidence.
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TABLE OF CONTENTS
- What is an average lab diamond’s carat weight ?
- What Are Off-Size Lab Diamonds ?
- How Important Should Carat Be When Buying Lab Diamonds ?
- Lab Grown Diamond Cost per CaratAverage Lab Diamond Cost
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What is an average lab diamond’s carat weight ?
Like natural diamonds, lab-grown diamonds come in a wide range of shapes, sizes, and carat weights. You may also hear them called lab-created, lab-made, laboratory-grown, or lab-generated diamonds.
A lab-grown diamond can be created in virtually any carat size found in nature. For example, a 1-carat lab-grown diamond weighs 0.2 grams (200 mg), while a 2-carat diamond weighs 0.4 grams (400 mg). As the carat weight increases, the diamond's weight in grams increases proportionally.
Just like natural diamonds, the most popular size for a lab-grown diamond engagement ring is around 1 carat, offering an ideal balance of beauty, presence, and value.
LAB DIAMOND: "SPECIAL SIZES"
It's also worth knowing that diamonds come in "special sizes," which are slightly smaller or larger than standard whole-carat weights. If you want a diamond that's larger than 1 carat but need to stay within your budget, choosing a diamond between 1 and 2 carats can be a smart and cost-effective option.
Many people wonder if it's easier to find a perfect whole-carat diamond with lab-grown diamonds than with natural diamonds. The answer is not really. Lab-grown diamonds are real diamonds, with the same density, composition, and weight as mined diamonds. However, lab-grown diamonds are often more affordable, allowing you to get a larger stone for your budget.
Natural vs. Lab-Grown Diamond Prices
There isn't a fixed price difference between natural and lab-grown diamonds. Diamond prices depend on several factors, including the famous Four Cs: carat weight, cut, color, and clarity. Shape and overall quality also play a major role in determining value.
The good news is that lab-grown diamonds typically cost less than comparable natural diamonds. Industry estimates suggest that buyers can save up to 40% or more on a 1-carat lab-grown diamond. The savings can be even greater when choosing larger stones, such as 2-carat or 3-carat lab-grown diamonds, making them an attractive option for shoppers seeking exceptional size and sparkle at a better value.
What Are Off-Size Lab Diamonds ?
Many shoppers look for a perfect 1-carat, 2-carat, or 3-carat diamond because they want a stone that excels in every way, including size, color, and clarity. What many people don't realize is that slightly different carat weights can offer a similar look while helping them save a significant amount of money.
These diamonds, often called "off-size diamonds" or "special-size diamonds," are not mistakes or stones that were cut incorrectly. They are intentionally cut to specific carat weights that fall just below or above traditional whole-carat sizes.
The purpose of these special sizes is simple: they provide excellent value. Because they sit outside the most popular benchmark weights, they often cost less while still appearing nearly identical in size to a standard whole-carat diamond.
The same concept applies to lab-grown diamonds. Since lab-grown diamonds are real diamonds, they can be created and cut into the same shapes and carat weights as natural diamonds. Choosing an off-size lab-grown diamond allows you to enjoy the appearance and brilliance of a larger, more expensive stone while staying within your budget.
How Important Should Carat Be When Buying Lab Diamonds ?
It depends on several factors. Carat measures a diamond's weight, whether it's a natural or lab-grown diamond. While a higher carat weight often means a larger diamond, that's not always true. The cut of the diamond can significantly affect how large it appears. In some cases, a well-cut diamond with a lower carat weight can look larger than a heavier diamond.
The ring setting also plays an important role in the diamond's appearance. For example, a solitaire setting features a single center stone and often makes the diamond look larger because there are no surrounding stones competing for attention. Other settings, such as halo or pavé designs, create a different visual effect that can change how the center diamond appears.
So, how important is carat weight when choosing a lab-grown diamond? The answer comes down to personal preference. While carat weight influences a diamond's size and value, a small difference—such as half a carat more or less—may not dramatically change how large the diamond looks. However, it can have a noticeable impact on the price. In general, as carat weight increases, so does the cost of the diamond.
Lab Grown Diamond Cost per Carat
The price of a lab-grown diamond can vary based on several factors, including where you buy it, whether it is a standard or custom-made stone, and whether you shop online or in a physical store.
On average, a 1-carat lab-grown diamond typically costs between $500 and $8,000 per carat. This range can help you estimate the cost of larger diamonds, such as 2-carat or 3-carat lab-grown diamonds, although the final price will depend on the diamond's quality and characteristics.
It's important to remember that these estimates apply to loose diamonds only. The final cost of a finished piece of jewelry will also depend on the diamond's cut, the type of metal, the ring setting, and any additional design features you choose.
The good news is that lab-grown diamonds generally cost significantly less than comparable natural diamonds, allowing you to enjoy exceptional beauty, size, and sparkle while getting more value for your budget.