4.40 ct Elongated Cushion CRISSCUT Lab Grown Diamond (Colour F, Clarity VS1, IGI Certified)
SKU: 66829902002

4.40 ct Elongated Cushion CRISSCUT Lab Grown Diamond (Colour F, Clarity VS1, IGI Certified)

Sale price$573.30 Regular price$637.00
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Description

4.40 ct Elongated Cushion CRISSCUT Lab Grown Diamond (Colour F, Clarity VS1, IGI Certified)Four Carats. Colorless Brilliance. The Crisscut Elongated Cushion. F color sits at the top of the colorless range appearing absolutely white and brilliant with no detectable warmth under any conditions. At 4. 40 carats of F color and VS1 clarity, independently certified by the International Gemological Institute, this Crisscut elongated cushion is a stone of exceptional quality and commanding presence. The Crisscut's signature crosshatch faceting

Four Carats. Colorless Brilliance. The Crisscut Elongated Cushion.

F color sits at the top of the colorless range — appearing absolutely white and brilliant with no detectable warmth under any conditions. At 4.40 carats of F color and VS1 clarity, independently certified by the International Gemological Institute, this Crisscut elongated cushion is a stone of exceptional quality and commanding presence. The Crisscut's signature crosshatch faceting pattern delivers a uniquely scintillating brilliance — more flashes, more depth, more visual drama than a standard cushion cut — while the elongated profile flatters the finger beautifully. This is a center stone for a ring of genuine distinction.

The Specifications

  • Carat Weight: 4.40 Carats
  • Shape: Crisscut Elongated Cushion — A cushion cut with a proprietary crosshatch faceting pattern that creates exceptional scintillation and depth, combined with an elongated profile that flatters the finger and maximizes face-up presence
  • Color: F — A top colorless grade; appearing absolutely white and brilliant with no detectable warmth or tint in any setting or lighting condition — exceptional color quality
  • Clarity: VS1 — Very Slightly Included, first degree; inclusions extremely difficult to detect even under 10x magnification; eye-clean in all conditions
  • Certification: IGI Certified — International Gemological Institute; independent third-party verification of color, clarity, cut, and carat weight
  • Origin: Lab-Grown — Physically, chemically, and optically identical to a mined diamond; conflict-free and ethically sourced

Why F Color Is Exceptional

F color is one of the three top colorless grades (D, E, F) — appearing absolutely white and brilliant in every setting, every metal, every lighting condition. In a Crisscut cushion, F color delivers a stone with no warmth to consider, no setting color to compensate for, no trade-off to make. Paired with VS1 clarity — one of the strongest clarity grades available — this 4.40 carat stone represents a combination of quality characteristics that is genuinely rare at this price point.

VS1 Clarity: Eye-Clean in Every Condition

VS1 clarity means inclusions are extremely difficult to detect even under 10x magnification — and completely invisible to the naked eye in all typical viewing conditions. In a Crisscut cushion, the brilliant crosshatch faceting pattern further masks any internal characteristics, making VS1 an outstanding clarity choice for this shape. This is a stone you can wear with complete confidence in its visual perfection.

The Crisscut: Scintillation Redefined

The Crisscut is one of the most distinctive and visually captivating diamond cuts available — a proprietary faceting pattern that creates a crosshatch of light and brilliance unlike any standard cut. Where a traditional cushion delivers pillowy, romantic brilliance, the Crisscut elongated cushion adds a layer of visual complexity and drama: more flashes, more depth, more movement. At 4.40 carats, this effect creates a truly commanding presence on the hand. It is the cut for the buyer who wants something genuinely different — and genuinely extraordinary.

IGI Certified: Complete Confidence

This diamond is certified by the International Gemological Institute (IGI), providing independent, third-party verification of every quality characteristic. The IGI certificate travels with the stone and provides permanent documentation of its F color, VS1 clarity, Crisscut elongated cushion shape, and 4.40 carat weight.

Setting Recommendations

A 4.40 carat Crisscut elongated cushion is most beautifully showcased in settings that honor its distinctive faceting and soft silhouette — a simple four-prong solitaire that lets the Crisscut pattern speak for itself, a hidden halo that adds brilliance without obscuring the stone's outline, or a three-stone setting with half-moon or tapered baguette side stones. All metal tones work beautifully with F color — white gold and platinum for a cool, luminous look; yellow gold for a warm, vintage-inspired character. Contact us to discuss custom setting options.

Perfect For

  • A custom engagement ring center stone with top colorless quality and the unique visual drama of the Crisscut faceting pattern
  • A buyer who wants F color and VS1 clarity — a genuinely exceptional combination — at an accessible price for the carat weight
  • Anyone who wants a 4-carat diamond that stands apart from every other stone in the room

A 4.40 carat IGI certified Crisscut elongated cushion at F/VS1 is an exceptional value for the color and clarity quality. Contact us with any questions or to discuss custom setting options.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66829902002

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Trevor Barton
Port Orchard, US
★★★★★ 2
Ehh
Pills up rather quickly
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Reviewed in the United States on June 7, 2026
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Dorothy Gilbertson
Lake Worth, US
★★★★★ 3
Nice but dissapointing
So it sometimes stays cool but if it’s under a blanket and you have your body on it at all it will get warm but the spots you don’t use will get cool sometimes. I am very disappointed in the material though because it’s like my dry skin scratched the pillow case all over which makes me question it and I don’t think I would buy again.
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Reviewed in the United States on December 15, 2025
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J. Germello
Massapequa, US
★★★★★ 5
Cooling fabric is Just what I needed
Color: 03-black, Size: 20" X 26" (Pack of 4)
I'm a hot sleeper. These cooling pillow cases are fantastic. It has ended soaked pillow cases. I paired these with waterproof pillow cases for extra pillow protection. I now sleep cooler and wake up dry. I also toss and turn less and wake up less frequently hot, sweaty and uncomfortable and I can sleep though the night. I don't need to flip my pillows over because of sweat. Both sides of these pillow cases have arc chill cooling fabric. They're soft, silky, breathable and comfortable to lay my head on. The colors to choose from is a wide selection. These look great on my king size bed. I love this fabric so much that I upgraded all of my pillows and blanket sheets to cooling fabric. I'm sold on these. The zipper is premium, sturdy and durable. My pillows fit perfectly on these cases. The cooling material is top notch high quality to me with great craftsmanship. I liked these ones so much that I bought more and plan to again. My partner seen and felt these and immediately went online to buy some blankets to go with the pillow cases I gifted. I also bought my son these and a few cooling blankets. These work best with a fan or air conditioner. Highly recommended and you won't regret this purchase if you're a hot sleeper to profusely sweating during sleep.
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Reviewed in the United States on May 10, 2026
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Dawn H
Lexington, US
★★★★★ 5
Cool and comfy!
Color: 01-grey, Size: 20" X 26" (Pack of 2)
Very comfy and cooling. Great for hot sleepers!
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Reviewed in the United States on June 3, 2026
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Draper, US
★★★★★ 5
keeps pillow secured and cool
Color: 05-purple, Size: 20" X 26" (Pack of 4)
just what I was looking for. A cooling pillow case with a zipper! my regular pillow cases slipped off my pillows So annoying. Now my pillows are staying put zipped in. so soft and cool. no more wrestling with the pillow case while trying to flip my pillow over trying to find a cool spot.
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Reviewed in the United States on May 7, 2026

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