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A K color diamond is not always a bad choice. It can make a beautiful choice with the right shape, cut quality and setting style. For example, this 1.05 carat K color diamond from Blue Nile would look stunning in a yellow gold or rose gold setting like this solitaire engagement ring. While K color diamonds do have a slight tint to them, in certain settings and shapes, the color is so slight it’s not noticeable to the naked eye.
K color diamonds can also save you significant cost when compared with other diamond color grades. For instance, this 1 carat K color diamond from James Allen with VS2 clarity and excellent cut costs $2,000, while this 1 carat D color diamond also from James Allen with the same clarity and cut quality costs $4,800. The K color diamond provides a savings of $2,800 — almost 60%.
But before buying a K color diamond, there are a few things to keep in mind. Below we’ll explain the best diamond shapes, cut quality and settings for K color diamonds. We’ll also explain when it’s best to choose a higher color grade, such as a J or I color diamond.
Overall, the goal is to find a beautiful diamond that fits your style without paying more than you need to. K color diamonds, when done right, can be a great way to get a gorgeous diamond at a fantastic price point.
K color diamonds are categorized as a “faint tint” on the GIA diamond color scale, meaning that they have a hint of color, usually yellow, that’s noticeable to the naked eye. The tinting isn’t too dark, though, as there are several color grades that are lower than K.
All diamonds certified by the GIA receive a color grade that ranges from D (nearly colorless) to Z (visible tint). On the scale, the K color grade is right next to the nearly colorless range of H to J.
The tint of a K color diamond is ever so slight. When in certain shapes and paired with the right setting color, these diamonds can look just as colorless as a higher graded diamond. A lot of consumers ignore K color diamonds because they feel the tint will be too strong, but that isn’t always the case. You can find beautiful K color diamonds if you know what to look for and what type of engagement ring to put them in.
Choosing a K color diamond can save you considerable money, and still give you a beautiful diamond.
That said, there are a few downsides to K color diamonds that you should be aware of when considering this color grade. These considerations are covered below on our page along with information on when it’s best to buy K color diamonds.
As explained above, K color diamonds are adjacent to the nearly colorless range by the GIA and are considered as having a faint tint.
The most common concern about K color diamonds is whether they’ll look colorless in an engagement ring. Below, we’ve compared the color of a K color diamond from James Allen (left) to a D color diamond from James Allen (right, the highest color grade):
Both diamonds are from James Allen. Besides their color grades, they’re identical in terms of quality — 1 carat, VS1 clarity, excellent round brilliant cut diamonds.
As the image shows, the K color diamond appears slightly more yellow than the D color diamond. The difference is subtle, but still noticeable when placed side by side under a bright light and magnification.
While the difference in appearance is subtle, the difference in price is significant between K color and D color diamonds. The D color diamond costs $8,190 while an otherwise identical K color diamond costs $3,540 — saving you $4,650, or 57%.
The color difference between these diamonds is subtle, partly due to the cut. Round brilliant diamonds are cut for maximum brilliance. They reflect so much light that they are great at concealing differences in color when viewed from the top.
As an example, look at the same two diamonds, but this time viewed from the side instead of from above:
At this angle, the color difference is more noticeable. The diamond on the left has a distinct yellow hue to it.
The difference between a K color diamond and a better color grade is also more obvious with other diamond shapes. For instance, those with a different facet pattern than the round brilliant show color more easily.
With this comparison of Asscher cut diamonds, the color difference is a little more obvious. Shapes such as asscher, cushion, radiant or emerald cut diamonds, show the tinting of the K color grade more readily than a round brilliant diamond.
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A diamond’s color grade plays a large role in how it’s priced. Diamonds in the colorless range (D, E and F grades) are considerably more expensive than diamonds in the nearly colorless range (G, H, I, and J grades).
The price difference between a K color diamond and a D color diamond of the same carat weight, cut quality and clarity is sizable. For instance, the round K and D color diamonds in our comparison above carry a price tag difference of $4,650.
K color diamonds are also significantly less expensive than diamonds in the colorless range and those in the nearly colorless range.
For instance, this 1 carat K diamond from James Allen is priced at $3,540. This 1 carat H color diamond also from James Allen with identical cut quality and clarity is $6,130. The price difference is $2,590 — a massive 42% less.
Even though they’re only one grade apart, there’s even a big difference in price between K and J color diamonds. As an example, this 1.57 carat K color diamond from Blue Nile with VS2 clarity and an excellent cut is $6,817, while this 1 carat J color diamond from Blue Nile with the same clarity and cut grades is $7,304. That’s a savings of $487 or almost 7%.
As mentioned above and shown in the examples, the visible difference between K color diamonds and better color grades is more noticeable in certain shapes than others.
The color difference is also more distinct with certain settings and metals. For instance, rose gold and yellow gold pass some of their tone onto the diamond, making the diamond appear slightly more yellow than it is, even if it’s a D or E color diamond.
Because of the impact these slightly darker metals have on a diamond, choosing a K color diamond for a rose or yellow gold engagement ring like this one from Blue Nile can be a savvy buy. The difference in diamond color is almost impossible to notice due to the strong hue of the metal, giving you more money to spend on carat weight or cut quality (the most important aspect of a diamond’s beauty).
Remember, though, that white gold and platinum settings can make the faint tint of a K color diamond more noticeable, so we recommend avoiding these two metal colors for K diamonds of any shape.
Because round brilliant cut diamonds hide color better than other shapes, the K color can be an excellent choice when set in yellow gold or rose gold rings. Even though K color diamonds carry a slight color, the round brilliant facet pattern disguises some of the color.
Still, we recommend a yellow gold or rose gold setting, because with a lighter metal color like white gold or platinum, the tint of a K color round brilliant can still be seen with the naked eye.
Opting for a K color diamond allows you to save some of your budget, either for a better cut quality or higher carat weight. Because cut quality impacts a diamond’s beauty more than any other feature, a well-chosen K color diamond can allow you to have a gorgeous diamond ring at a phenomenal price point.
A K color diamond can be an excellent value for round brilliant diamonds set in yellow or rose gold. Because higher graded diamonds will look slightly yellowish in yellow gold anyway, it can be beneficial to save your budget and choose a K color diamond.
You can also choose a K color diamond for other shapes set in yellow or rose metals, but not all shapes are a good choice. Some diamond shapes show color more easily than round brilliants. Even in a rose gold or yellow gold setting, a K color diamond in certain shapes might show too much tint.
If you want a shape other than a round brilliant, consider emerald, asscher and princess cuts. Besides round brilliants, these diamond shapes conceal color the best. With a K color grade, they can still look white when placed in a yellow gold setting. For example, this gorgeous yellow gold solitaire ring from James Allen showcases a beautiful 1.31 carat K color princess cut.
For all other diamond shapes, including cushion cuts and radiant cuts, color is more noticeable. A K color diamond in these shapes will likely have a noticeable tint no matter the setting color. That’s why we recommend choosing a better color grade, such as J or I, for yellow and rose gold settings. Cushion cut and radiant cut diamonds with a J or better color grade can still look white when placed in a yellow gold or rose gold setting. For example, this gorgeous yellow gold solitaire ring from James Allen showcases a beautiful 0.91 carat J color radiant cut.
You can also check out our diamond shape guide for color recommendations for each shape while still getting a good value.
Not certain which color grade and shape combination is best for your budget? Contact us for personalized help.
The setting style you choose also impacts how a K color diamond appears. With a solitaire setting, the center diamond is the only diamond. But in other settings, such as a halo or three-stone setting, the other diamonds play a role in how the center diamond looks.
For instance, if you have a ring with side stones, it’s important to check the color grade of the smaller diamonds. If they have a higher color grade such as H or I, they could make a K color diamond appear darker when side by side. For instance, placing a K color diamond in a side-stone engagement ring next to the smaller G-H color stones would make the K diamond look yellow in comparison.
With three-stone, pavé, halo and side-stone settings, especially those with large enough side stones to be certified, we recommend the side diamonds always match the color of the center stone or be slightly darker. This can be a particular challenge for K color center diamonds, as many settings use G, H, I or even higher color grade side stones.
For K color diamonds, it’s best to consider settings without additional stones, such as solitaire, bezel, tension or cathedral settings. For instance, this rose gold nouveau solitaire setting from James Allen would be stunning with a K color diamond, along with this yellow gold bezel ring.
If you like a setting with side stones, such as a halo or pavé band, you may want to up the color grade of your center diamond and choose an H or I color center stone.
Choose a high-quality K color diamond by paying attention to shape, cut grade and clarity.
By following these tips, you’ll find a stunning K color diamond for your engagement ring.
K color diamonds can be a stunning and affordable choice, provided they’re set in a yellow or rose gold setting. Round brilliant K color diamonds are the best choice for shape because they conceal color the best, but a princess cut or emerald/asscher can also work.
Solitaire settings or other settings without side stones, such as a solitaire cathedral or bezel setting, are best for K color diamonds. The center diamond stands alone and isn’t placed next to smaller stones with better color grades. In these ring styles, a K color diamond can save you hundreds or thousands in your budget, depending on the carat weight, cut quality and clarity grade.
By choosing a K color diamond for your rose gold or yellow gold ring, you can spend more of your budget on cut quality or carat weight. Or simply save more for your wedding, honeymoon or future together.
For help finding a stunning K color diamond or deciding which color grade is best for your ring style, contact us. Our diamond experts can help you find the best quality diamond for your budget and style.
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