The average carat weight of an engagement ring diamond in the United States sits somewhere between 1.00 and 1.2 carats. Just this week, we helped one reader get this beatuiful one carat cushion cut ring from James Allen and this 1.20ct round diamond stunner from Blue Nile.
However, when it comes to diamonds, size isn’t everything. Instead of looking solely at the size of a diamond (or, more accurately, its carat weight), it’s best to look for a diamond with the right combination of cut, color, clarity and carat weight.
To get the highest quality diamond engagement ring for your budget, it’s important to shop from a trustworthy vendor like James Allen or Blue Nile. Both of these vendors offer excellent pricing, with a huge selection of high quality diamonds and settings for you to choose from.
Buying an engagement ring can be a stressful, difficult experience (although our guides can make it significantly easier). From cut and clarity to color and more, there are several factors you’ll need to keep in mind to make sure you get the highest quality ring for your budget.
One factor that people often worry about when buying an engagement ring is the size of the diamond. Thanks to the countless articles published every year about celebrity engagement rings, it’s easy to assume that the average diamond is far larger than it really is. If all your diamond information is coming from celebrity gossip, you may think its expected to buy this 1.1 million dollar oval diamond from Blue Nile.
Below, we’ve looked at the data to determine how large (or more specifically, how heavy) the average diamond engagement ring is. We’ve also covered how you can get the best possible value on an engagement ring, helping you buy the highest quality ring within your budget.
There’s no single source that tracks the average diamond engagement ring size (after all, it’s not the type of question you can ask on the census). This means that the average is part of a range, rather than an exact number.
Depending on the data source, the average weight of an engagement ring center stone in the United States is between 1.08 and 1.2 carats.
According to a 2014 article in USA Today, it’s just over one carat for the center stone, with a two carat average weight for the entire ring (this weight takes into account any additional diamonds and gemstones, such as those used in a halo setting.)
Outside the US, diamond engagement rings are usually a lower carat weight. In the UK, the average is about 0.6 carats, while countries like Japan and China, which don’t have the same diamond culture as North America, have an even lower average carat weight.
Within the US, the average size can vary based on where you are in the country. In general, if you’re in a large city like New York or Los Angeles, you can expect to see a significantly larger average diamond size than in a smaller city.
Age also affects the average diamond size. While the national average is somewhere between 1.08 and 1.2 carats, millennials usually spend less on diamonds than older generations, making their average diamond carat weight lower.
In short, there’s no absolute average — instead, the diamonds used in engagement rings vary hugely in carat weight based on factors such as your age and location.
If you’re looking for an engagement ring that’s close to the average size, you’ll find our guide to one carat diamond rings helpful. It includes everything you’ll need to get the highest quality ring for your budget, as well as common diamond-buying mistakes you’ll want to avoid.
Just like there’s no absolute average for diamond carat weight, there’s no exact amount that you should spend on a diamond engagement ring.
According to USA Today, couples reported spending an average of $5,598 on their engagement ring in 2014. Interestingly, the average engagement ring budget was $5,095 in 2011, indicating that couples are usually willing to spend more on rings when the economy is stronger.
While the average amount spent on a diamond engagement ring can be a useful statistic, it’s important to put it in context. Just like average carat weight, the average amount spent on an engagement ring can vary based on factors like location, age, and average income.
Instead of aiming for a diamond that’s larger than average, it’s best to focus on getting the best possible diamond for your budget. This means looking at your financial situation along with the needs of your fiancé-to-be, then working out how much you can afford to spend.
It’s also best to ignore any “rules” of budgeting for a diamond that you read in magazines or see in advertisements, such as setting aside a certain number of months worth of your salary for an engagement ring. Most of the time, these “rules” are created by marketers and jewelry brands.
Our guide to budgeting for an engagement ring covers this topic in more detail, with a variety of tips and tactics to help you buy a diamond ring that matches your fiancé-to-be’s tastes and your budget.
If you’re looking for a diamond that’s close to the average size, there are several techniques that you can use to get the highest quality diamond without going over your budget.
One of the best ways to save money on your engagement ring is to purchase both the diamond and the setting from a reputable online vendor, instead of shopping offline.
As we’ve covered before, brick and mortar stores have significant costs that affect the price of their diamonds. From rent to utilities, salaries and inventory costs, these costs add up quickly and have a real, noticeable impact on the amount you’ll pay for a diamond.
Online vendors, on the other hand, don’t need to pay for rent in upmarket shopping districts or other major operating costs. This allows them to offer diamonds of equal or better quality for as much as 50% less than most brick and mortar jewelry stores.
We recommend buying from James Allen or Blue Nile. Both of these vendors sell high quality, GIA or AGS certified diamonds at the best prices in the industry. They also both have diverse selections, allowing you to easily choose a diamond and setting that fit within your budget.
The four Cs — cut, color, clarity and carat — all play a role in determining how much you’ll spend for an engagement ring. Because of this, it’s important to understand how these factors affect a diamond before you choose a specific stone and setting.
While it’s easy to focus solely on carat weight, a diamond’s cut can have a greater impact on its appearance. For example, a large diamond with a Fair or Poor cut won’t look as impressive as a smaller, lighter carat weight diamond with a higher quality Excellent or Ideal cut.
Color and clarity also play important roles in the appearance of a diamond. While flawless color and clarity aren’t essential, a diamond should appear colorless and eye-clean when you view it in person.
As a general rule, it’s best to look for diamonds that have an Ideal or Excellent cut, as well as a clarity grade of VS1 or VS2. When it comes to color, it’s best to look for diamonds in the nearly colorless range of G to I, although this can vary based on the type of setting you choose.
A diamond with these specifications will look brilliant and impressive, especially under a direct source of light. It will also look clean to the eye, with no visible inclusions and a near-colorless appearance, all at a far lower cost than a completely flawless, colorless diamond.
As we mentioned above, the optimal color grade for a diamond can vary depending on the type of setting you choose.
In general, the trick is to make sure that the diamond you choose looks colorless in comparison to the setting. With a metal like white gold or platinum, a diamond with a faint tint (for example, a J or K grade diamond) will usually look slightly yellow, even to the naked eye.
However, because metals like yellow and rose gold have a distinct, slightly darker color of their own, it’s okay to choose a diamond with a slightly poorer color grade.
As we mentioned in our guide to diamond color, a round cut diamond with a color grade of K to M (indicating a faint yellow tint) can often look warm and beautiful in a yellow gold setting, even if it looks unimpressive when it’s set in a metal like white gold or platinum.
Buying a diamond with a K to M color grade and pairing it with a yellow or rose gold setting can help you save a significant amount of money. Because the yellow tone of the gold usually shows through the diamond on its own, there’s often no perceivable difference to your eye.
For example, this 1 carat VS2, K color, excellent cut round diamond from James Allen is priced at $3,330. Add this 14k yellow gold solitaire setting for $480 and the price for the complete ring is $3,810 — a significant amount less than the average engagement ring price of $6,351.
In comparison, this I color diamond from James Allen, which has almost identical specifications and comes from the same vendor, is priced at $4,330. By buying it, you’ll spend an extra $1,000 for a diamond that will likely still look slightly yellowish anyway due to the color of the setting.
In addition to the type of setting you choose, the cut of a diamond can affect which color grade offers the best value with the smallest effect on its appearance. Our diamond color guide goes into more detail on this, with recommended color grades for each cut and setting type.
In the United States, the average engagement ring diamond is somewhere between 1.08 and 1.2 carats. However, as we’ve explained above, there are several factors beyond a diamond’s carat weight that affect how impressive and elegant it looks in an engagement ring.
Apply the techniques we’ve listed above you’ll be able to purchase the highest quality diamond for your budget. As always, you’ll get the best value from a trusted online diamond vendor such as James Allen or Blue Nile.
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