The 4 carat marquise cut is one of the most dramatic and legendarily spectacular diamond choices available at a truly extraordinary size — combining an exceptional carat weight with an elongated silhouette that delivers the largest face-up appearance of any diamond shape and a finger-spanning presence of breathtaking and legendary proportion at 4 carats. At Variation, explore our certified collection of 4 carat marquise cut lab grown diamonds, IGI certified, conflict-free, and priced up to 80% less than natural diamonds.
About 4 Carat Marquise Cut Lab Grown Diamonds
The 4 carat marquise cut lab grown diamond is one of the most dramatic, legendarily spectacular, and visually extraordinary diamond combinations available — pairing a truly exceptional and legendary carat weight with an extraordinary elongated silhouette that delivers the largest face-up appearance of any diamond shape per carat weight. At 4 carats, the marquise cut's legendary elongated form reaches a level of dramatic presence and finger-spanning elegance of extraordinary and breathtaking proportion — its two pointed ends and curved center creating a visual statement of legendary magnificence that commands attention and admiration from every angle and distance. At Variation, our IGI certified 4 carat marquise cut lab grown diamonds are available in D to F color and VVS1 to VS2 clarity — priced up to 80% less than an equivalent natural diamond.
Why Choose a 4 Carat Marquise Cut Lab Grown Diamond?
At 4 carats, the marquise cut delivers a level of legendary elongated presence and visual magnificence that is simply breathtaking and extraordinary — its distinctive form measuring approximately 17.5 x 8.5mm and creating a breathtaking finger-spanning presence of truly legendary and extraordinary proportion. A 4 carat marquise cut is nearly 70% longer than a 4 carat round brilliant at 10.4mm diameter — creating an extraordinary elongated presence of legendary proportion that spans the finger completely and delivers maximum visual impact at this exceptional and rare size. For buyers seeking maximum visual impact, the largest face-up size, and legendary elongated elegance at the 4 carat level, the marquise cut is the undisputed and incomparable choice.
- 56 to 58 facets — delivering exceptional fire and brilliance across the elongated form at 4 carats
- Approximately 17.5 x 8.5mm face-up size — the largest face-up appearance at 4 carats
- Two pointed ends — creating a legendary, breathtaking finger-spanning presence of extraordinary proportion
- IGI certified — every stone independently graded and verified
- D, E and F color — the three highest color grades available
- VVS1 to VS2 clarity — all eye-clean, all exceptional quality
- Up to 80% less than an equivalent natural 4 carat marquise cut diamond
How Big Is a 4 Carat Marquise Cut Lab Grown Diamond?
A 4 carat marquise cut diamond measures approximately 17.5 x 8.5mm face-up — making it the largest facing diamond shape at this extraordinary and legendary carat weight by a significant and breathtaking margin. At nearly 70% longer than a 4 carat round brilliant at 10.4mm diameter, the marquise cut at 4 carats creates a truly legendary and breathtaking finger-spanning presence of extraordinary proportion that delivers maximum visual impact and legendary elongated elegance on any hand or setting.
At 4 carats, the marquise cut's extraordinary size advantage over every other diamond shape is at its most dramatic and breathtaking — its significantly larger elongated form at this legendary weight delivering a visual presence of truly extraordinary and legendary proportion that is simply unlike anything else available and makes an unforgettable impression that is immediately and powerfully recognizable from any distance.
How to Choose the Best 4 Carat Marquise Cut Lab Grown Diamond
Length-to-Width Ratio at 4 Carats
At 4 carats, the length-to-width ratio has an even more dramatic and extraordinary impact on the marquise cut's visual presence and finger-spanning elegance than at any smaller size. A ratio of 1.85–2.10 delivers the most classic and universally flattering marquise proportion at 4 carats — its elongated form at this legendary size creating a breathtaking balance of dramatic elongation and commanding visual presence of extraordinary proportion. The most popular ratio for a 4 carat marquise cut is 1.90–2.00 — delivering a truly legendary combination of dramatic elongation and breathtaking visual impact at this exceptional and rare size.
Bowtie Effect at 4 Carats
At 4 carats, the bowtie effect is significantly more visible in a marquise cut than at any smaller size — its larger face-up surface area making any dark shadow across the center more immediately and dramatically noticeable at this legendary weight. A well-cut 4 carat marquise will have a minimal, barely perceptible bowtie — but a prominent bowtie at this legendary size significantly and dramatically reduces brilliance and detracts from the stone's extraordinary beauty and legendary visual impact. Always view the stone in high-resolution video before purchasing to thoroughly assess bowtie visibility at 4 carats.
Point Symmetry and Color at 4 Carats
At 4 carats, perfect symmetry between the two pointed ends is even more critical and non-negotiable than at any smaller size — any deviation from perfect alignment is immediately and clearly visible from any distance at this legendary and extraordinary weight. Always choose Excellent symmetry grades and view the stone face-up before purchasing. For color, marquise cuts concentrate color at their two pointed ends more dramatically and visibly than ever at 4 carats — D color is strongly recommended for white gold or platinum settings at this legendary and extraordinary size.
Why Buy 4 Carat Marquise Cut Lab Grown Diamonds from Variation?
At Variation, we specialize exclusively in lab grown diamonds — and our 4 carat marquise cut collection reflects our commitment to quality, ethics, and exceptional value at this legendary and extraordinary size.
- IGI certified — every stone comes with a full IGI grading report
- Excellent symmetry — perfectly aligned points and balanced proportions at 4 carats
- D, E and F color only — the highest color grades available
- VVS1 to VS2 clarity — all eye-clean, all exceptional quality
- Conflict-free & ethically sourced — always
- Priced up to 80% less than equivalent natural diamonds
Explore Other Sizes in Marquise Cut Lab Grown Diamonds
Not sure about 4 carats? Explore our marquise cut lab grown diamonds in other carat weights — all IGI certified, conflict-free, and priced up to 80% less than natural diamonds.
Explore Other Shapes in 4 Carat Lab Grown Diamonds
Not sure about marquise cut? Explore our 4 carat lab grown diamonds in other shapes — each with its own unique character, brilliance, and appeal.
- 4 Carat Round Cut
- 4 Carat Oval Cut
- 4 Carat Cushion Cut
- 4 Carat Emerald Cut
- 4 Carat Princess Cut
- 4 Carat Pear Cut
- 4 Carat Radiant Cut
- 4 Carat Heart Cut
- 4 Carat Portuguese Cut
- 4 Carat Ashoka Cut
- 4 Carat Trillion Cut
- 4 Carat Hexagon Cut
Frequently Asked Questions
How big is a 4 carat marquise cut lab grown diamond?
A 4 carat marquise cut diamond measures approximately 17.5 x 8.5mm face-up — the largest face-up appearance of any diamond shape at 4 carats by a significant and breathtaking margin. Nearly 70% longer than a 4 carat round brilliant at 10.4mm diameter, the marquise cut at this extraordinary and legendary size creates a truly breathtaking finger-spanning presence of legendary proportion that delivers maximum visual impact and extraordinary elongated elegance.
What is the bowtie effect in a 4 carat marquise cut diamond?
The bowtie effect is a dark shadow that appears across the center of a marquise cut diamond caused by light leakage. At 4 carats, the bowtie is significantly more visible than at smaller sizes — its larger face-up surface area making any dark shadow more immediately and dramatically noticeable at this legendary weight. A slight bowtie is normal; a prominent bowtie dramatically reduces brilliance at this legendary size. Always view in high-resolution video before purchasing to thoroughly assess bowtie visibility at 4 carats.
Is a 4 carat marquise cut lab grown diamond good for an engagement ring?
Yes — a 4 carat marquise cut engagement ring is one of the most dramatic, legendary, and visually spectacular choices available at this extraordinary size. Its extraordinary elongated presence of legendary proportion, the largest face-up size of any diamond shape, and regal historical character make it an unforgettable statement of breathtaking magnificence. At up to 80% less than a natural diamond of the same quality, a 4 carat IGI certified lab grown marquise cut offers extraordinary value and legendary visual impact at this exceptional size.
What is the difference between a 4 carat marquise cut and oval cut lab grown diamond?
Both are elongated brilliant cuts at 4 carats delivering exceptional brilliance and a flattering finger presence but they differ dramatically in visual impact and legendary proportion. A 4 carat oval cut measures approximately 13.5 x 9.0mm — delivering a breathtakingly dramatic elongated presence. A 4 carat marquise cut measures approximately 17.5 x 8.5mm — delivering a significantly more dramatic and legendary finger-spanning presence with two pointed ends that create a bolder and more regal silhouette of extraordinary proportion. The marquise cut delivers dramatically more visual size and legendary presence; the oval cut delivers a more universally flattering elegance at this exceptional size.
What color and clarity should I choose for a 4 carat marquise cut lab grown diamond?
At 4 carats, D color is strongly recommended for white gold or platinum settings — color concentrates at the two pointed ends significantly more visibly at this legendary size. VVS2 clarity or higher is strongly recommended — pay particular attention to inclusions near the two pointed tips. All diamonds at Variation are available in D, E and F color grades and our experts can guide you to the finest quality at 4 carats.
Explore our full collection of 4 carat marquise cut lab grown diamonds above and find the stone that speaks to you. Questions? Our diamond experts are here to help.