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Cushion Cut Diamonds

We have the Scoop on Cushion Diamonds

You may be surprised to learn that this unique diamond shape gets it's name from a very common household item.

When looking at the diamond you will notice that it has slightly rounded edges and no corners, giving it’s shape the appearance of a household pillow, or cushion. And just like the cushions/pillows in your house, the Cushion Diamond is available in various dimensions. These dimensions are referred to as “The Length To Width Ratio” of a cushion diamond.

What is the Cushion Cut Diamond?

The cushion diamond has been available for over a century, which would qualify it as an “Antique Style” cut diamond shape. This unique shape of diamond has been compared to other diamond shapes including the oval diamond and the Old Mine Cut diamonds from long ago. However we feel that this beautiful shape is in a category all it’s own.

Cushion Cut Diamonds

Cushion Cut Diamonds

Known for having 58, larger than average facets, you should consider paying extra attention to the clarity grade of this diamond shape. With it’s extra large facets, spotting inclusions in the diamond may be somewhat easier than many other shapes. Although the large facets demand extra attention in regards to the clarity grade, these large surfaces will also give “Cushion Diamonds” a very unique and bright sparkle.

Length to Width Ratio of Cushion Cut Diamonds

The "Length To Width Ratio" refers to the overall dimensions, or appearance of the diamond. This ratio will tell you whether the diamond is a "Square Cushion", or if the dimensions are more of a "Rectangular Cushion".

For Example:
A "Square Shaped Cushion Diamond" would have a length to width ratio of (at / or near) 1-to-1, or square in shape. Some common 1-to-1 length to width ratios are; 7mm x 7mm, or 8mm x 8mm.

What is the perfect size Cushion Diamond for me?

We get asked this quite often. Picture a round diamond, well, it's round. You know it's going to be round, you can imagine what it would look like on your finger with fair accuracy. But a cushion cut diamond, although has rounded corners, you'll need to do some thinking. Length to width won't really make a huge difference on any finger. Just be sure to consider if you want a more square or rectangular shape. Think of it as feung shui for your hand. You want to accentuate your fingers with the diamond, however you don't want your finger overtaking the look of your diamond. Size makes a difference. If you have slender tiny hands, then putting something of 1.25 ct of more on your finger could possibly just look awkward when a nice .50 ct or .80 ct. diamond would do. If you have thicker fingers, then try to stay at 1ct or above. Just because the diamond is bigger and costs more doesn't necessary mean it will look great on your finger.

Is there anything else I should consider when buying a Cushion Diamond?

Yes. Cut Grade and Clarity. With Clarity, the face (the top portion that everyone sees) in cushion diamonds can be more wide than your other fancy shape diamonds, such as the oval, or marquise diamonds. So inclusions (black carbon spots, feathers, etc.) will be more easily seen. A nice clarity such as SI1 and above will virtually eliminate this problem. Cut Grade – Same with the clarity, since the face of your typical cushion diamond is more wide it will give more chance to light leakage, and this has to do with cut of the facets.

Facets are the mirror like angled cuts/sides of any diamond you see. They take the light from the sides, top and bottom and reflect them. All light should be reflected back up through the top. This is what gives you the brilliance and sparkle of your diamond. This is what cut grade means. So you should try and stay within the excellent to very good cut grade. Now some sites don’t always show the cut grade of a diamond, but they always give the table and width percentages, as well as the depth of the diamond.

With this information you can use the chart below to determine if your cushion diamond is an excellent to very good cut grade.

Diamond Cut - Color - Clarity - Length to Width Charts (pretty useful)

Cushion Cut Diamond Cut Chart

Cushion Cut Diamond Color Chart

Cushion Cut Diamond Clarity Chart

Cushion Cut Diamond Length to Width Chart

Cushion Cut Sapphires, Rubies and other Gemstones

The cushion cut is not a new cut or shape as some may think. It’s actually a very antique style of cut that was used quite often in the 19th century that got it’s roots from the old miners cut ( a square shape with rounded corners). However, recently the cushion cut gemstone has taken a huge leap forward in today’s fashion trends; and this revival is exceptionally true in colored gemstones.

I, in particular, love the cushion cut shape. Especially in diamonds. But the cushion shape was not designed for the utmost maximum sparkle where the modern round brilliant cut is. The purpose of the cushion cut was to bring out the gemstones luster, or more to the point; color. Your cushion cut diamond will sparkle, don’t get me wrong, but it will also enhance the color of the diamond more than most shapes will.

That is why the cushion cut is perfect for colored gemstones. It’s designed to bring out the full spectrum of color the stone has to offer. This is also why the Logan Sapphire, the largest blue sapphire in the world at 423 cts. is cut to the cushion shape.

Cushion Cut Logan Sapphire

Cushion Cut Logan Sapphire

Loose Cushion Cut Diamonds for Cheap

Cushion Cut Diamonds for Sale

Cushion Cut Diamonds for Sale

Being engagement ring manufactures and designers we are constantly buying diamonds for our settings. In the process many diamond wholesalers contact us first to see if we would like to purchase diamonds, and the diamond prices are usually much cheaper than what they would normally list them for. In this way we have access to loose diamond deals many jewelers don’t have access to. We would like to pass these deals on to you. Although we don’t list diamonds on our site, if you are looking for cushion cut diamonds for sale, or any shape for that matter, simply send us an email or call us. We can, and will find you your perfect diamond at a much lower cost than you’ll find anywhere else.

GIA also offers additional information on their page http://4csblog.gia.edu/2012/how-diamonds-shape-up

Cushion Cut Diamonds Summed Up

  • Cushion diamonds look best in perspective. Go bigger in carat weight to the thickness of your finger.
  • Keep the depth and table percentage between 61 - 67% for the most brilliance and sparkle.
  • The closer the two number %'s (depth and table) are together the more breathtaking it will be.
  • Keep the clarity in 1 carat or higher cushion diamonds to SI1 and Higher
  • Keep the clarity in .50 carat or lower cushion diamonds to SI2 and Higher
  • Unless you're looking for yellow tint, keep the diamond color to H or Higher
  • Interested in learning about other diamond shapes?
    Take a look at Choosing the Right Diamond Shape for your Finger
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