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A Comprehensive Guide to Elongated Cushion Cut Diamonds

By GDC Team | 18 Mar 2025 |
A Comprehensive Guide to Elongated Cushion Cut Diamonds

Among the many diamond shapes, there’s one that stands out for its elegance and distinctness — the elongated cushion cut. Also available in lab grown diamonds, the elongated cushion cut diamond is a combination of the soft appearance of traditional cushion cuts and a more rectangular shape.

Lab grown elongated cushion cut diamonds are an ethical and sustainable alternative to mined diamonds. Let’s understand more about this diamond shape.

Elongated Cushion Cut Diamond Shape

Cushion cut diamonds have a square shape and rounded corners. They look similar to a cushion. The elongated cushion cut diamond is rectangular with rounded corners. It has a length to width ratio of 1.10 and 1.30, and some can even be 1.40 or more. The elongated diamond shape gives it a slim look and an illusion of being larger.

Characteristic Features of Elongated Cushion Cut Diamonds

  • Elongated Diamond Cut: The cut of the elongated cushion diamond has a significant effect on the diamond’s brilliance and fire. Cushion cuts have fewer but larger facets. Its depth percentage is typically between 60 to 70%, and it has an even facet alignment, which gives it an overall balanced look.

  • Clarity Factor of Elongated Cushion Cut Diamonds: Lab grown diamonds of elongated cushion cut tend to display inclusions differently compared to other shapes, such as princess cut diamond and radiant cut diamond. That is because elongate cushion cuts have larger facets, allowing inclusions to be visible easily. However, lab grown diamonds have lesser inclusions compared to mined diamonds, because lab diamonds are carefully created in laboratories.

  • Color of Elongated Cushion Cut Diamond: Elongated cushion cuts generally retain color compared to other cuts, such as brilliant cut diamond or princess cut diamond. Color grades G to I appear colorless in lab grown elongated cushion cut diamonds. Elongated cushion cut lab grown diamonds are also available in fancy colors.

  • Carat Weight: The elongated cushion cut diamond appears to be larger due to its elongated shape and larger surface area. A 1 carat elongated cushion cut may look similar to a 1.15 carat round brilliant diamond.

Lab Grown Elongated Cushion Cut vs. Mined: The Differences

Lab Grown Diamonds Mined or Natural Diamonds
Manufactured in laboratories Naturally produced under the earth
30 to 40% cheaper than mined diamonds Expensive, fluctuating price based on demand and supply
Smaller carbon footprint Harms the environment in many ways
Ethical and sustainable Not sustainable and fraught with ethical issues
Regulated and follows industry compliance Not strictly regulated and not compliant
Easily available and accessible based on demand as it is man made Not easily available or accessible as it is based on natural processes and market dynamics

How to Care for Elongated Cushion Cut Lab Grown Diamonds?

  • Store your elongated cushion cut diamond properly wrapped in soft material and separate from other jewelry. This will prevent scratching or breaking.

  • Clean your lab grown diamonds regularly with mild soap and water to ensure they don’t gather dust.

  • Avoid exposing your diamonds to harsh chemicals or conditions.

  • Conduct regular checks and examine the metal settings of your elongated cushion cut diamond jewelry, to avoid breakage and ensure securing it.

Summing Up

Are you ready to buy your elongated cushion cut lab grown diamonds? With interest and preference for lab grown diamonds increasing, and the diamond industry offering better diamonds, you won’t be surprised to find a vast variety of elongated cushion cut diamonds.

Whether you want a 3 carat lab diamond or one with better light performance in creative jewelry designs, you can find many options. Explore elongated cushion cut diamonds by Grown Diamond Corporation.

Your Search Ends Here for the Best Lab Grown Diamonds!

Partner with a trusted lab-grown diamond manufacturer and wholesaler for certified, precision-cut diamonds, competitive B2B pricing, reliable inventory, and worldwide shipping. Register today to unlock exclusive wholesale access.

➜ Register Now!

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