The 3 carat princess cut is one of the most bold and brilliantly commanding diamond choices available at a truly rare and exceptional size — combining an extraordinary carat weight with the most brilliant fancy shape diamond cut in the world in a bold, modern square form that delivers maximum sparkle and an extraordinary geometric presence at 3 carats. At Variation, explore our certified collection of 3 carat princess cut lab grown diamonds, IGI certified, conflict-free, and priced up to 80% less than natural diamonds.
About 3 Carat Princess Cut Lab Grown Diamonds
The 3 carat princess cut lab grown diamond is one of the most bold, brilliantly striking, and visually extraordinary diamond combinations available — pairing a truly rare and exceptional carat weight with the most brilliant fancy shape diamond cut in the world. At 3 carats, the princess cut's bold square form and exceptional brilliance reach an entirely new level of visual magnificence and geometric grandeur — its sharp uncut corners and inverted pyramid profile delivering an extraordinary display of fire and scintillation across a significantly larger surface area than at any smaller size. At Variation, our IGI certified 3 carat princess 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 3 Carat Princess Cut Lab Grown Diamond?
At 3 carats, the princess cut delivers a level of bold geometric brilliance and visual magnificence that is truly breathtaking — its square form measuring approximately 7.5 x 7.5mm and creating an extraordinarily commanding geometric statement that is significantly more impactful and visually magnificent than at any smaller size. The princess cut's exceptional brilliance — rivalling the round brilliant itself — delivers maximum sparkle across its bold square form at 3 carats, making it one of the most visually dazzling and commanding fancy shape diamonds available at this exceptional and rare size. For buyers who want a 3 carat diamond that delivers the absolute maximum brilliance in a bold, modern, and architecturally commanding geometric form, the princess cut is the definitive choice.
- 57 to 76 precisely arranged facets — delivering exceptional brilliance across the square form at 3 carats
- Approximately 7.5 x 7.5mm face-up size — bold and breathtakingly commanding at 3 carats
- Sharp uncut corners — creating a bold, clean geometric appearance of extraordinary presence at 3 carats
- 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 3 carat princess cut diamond
How Big Is a 3 Carat Princess Cut Lab Grown Diamond?
A 3 carat princess cut diamond measures approximately 7.5 x 7.5mm face-up — significantly larger and more commanding than a 2 carat princess cut at 6.9 x 6.9mm. At this exceptional size, the princess cut's bold square outline and sharp corners create an extraordinarily strong geometric visual presence that is immediately and unmistakably impressive and commanding from every angle and distance — its larger face-up surface area at 3 carats delivering a significantly more magnificent and visually extraordinary appearance than at any smaller carat weight.
For buyers seeking a larger face-up appearance at 3 carats, a slightly rectangular princess cut with a length-to-width ratio of 1.05–1.10 faces up slightly larger than a square princess — while retaining the princess cut's signature bold geometric character and exceptional brilliance at this extraordinary and rare size.
How to Choose the Best 3 Carat Princess Cut Lab Grown Diamond
Cut Quality Is Absolutely Non-Negotiable at 3 Carats
At 3 carats, cut quality is absolutely non-negotiable for a princess cut diamond — and significantly more demanding than at any smaller size. A well-cut 3 carat princess delivers an extraordinary display of brilliance and fire across its larger 7.5 x 7.5mm square surface area — making the stone appear significantly more alive, magnificent, and visually commanding than its carat weight suggests. A poorly cut 3 carat princess cut wastes the extraordinary potential of this exceptional and rare size entirely — appearing flat, dull, and lifeless regardless of color or clarity grade. Always choose Excellent or Very Good cut grades and Excellent symmetry and polish for a 3 carat princess cut diamond — never compromise.
Corner Protection Is Even More Critical at 3 Carats
At 3 carats, protecting the four sharp corners of a princess cut diamond is absolutely critical — more so than at any smaller size. The corners are the most vulnerable points of any princess cut — and at 3 carats, the stone's exceptional value and rare size make proper corner protection a non-negotiable priority. Always choose a four-prong or bezel setting that covers and protects all four corners of a 3 carat princess cut diamond. At this exceptional size, a chipped corner is a significant and costly loss — never compromise on corner protection.
Color and Clarity at 3 Carats
At 3 carats, both color and clarity are significantly more visible in a princess cut than at smaller sizes. Princess cuts retain color more than round diamonds — for white gold or platinum settings, D–E color is strongly recommended at 3 carats. For clarity, VS1 or higher is strongly recommended as inclusions become significantly more visible at this exceptional size — pay particular attention to inclusions near the four sharp corners which are both the most visible and most vulnerable areas of the stone at this rare and exceptional size.
Why Buy 3 Carat Princess Cut Lab Grown Diamonds from Variation?
At Variation, we specialize exclusively in lab grown diamonds — and our 3 carat princess cut collection reflects our commitment to quality, ethics, and exceptional value at this rare and extraordinary size.
- IGI certified — every stone comes with a full IGI grading report
- Excellent cut grades — maximum brilliance guaranteed at 3 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 Princess Cut Lab Grown Diamonds
Not sure about 3 carats? Explore our princess 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 3 Carat Lab Grown Diamonds
Not sure about princess cut? Explore our 3 carat lab grown diamonds in other shapes — each with its own unique character, brilliance, and appeal.
- 3 Carat Round Cut
- 3 Carat Oval Cut
- 3 Carat Cushion Cut
- 3 Carat Emerald Cut
- 3 Carat Pear Cut
- 3 Carat Radiant Cut
- 3 Carat Marquise Cut
- 3 Carat Heart Cut
- 3 Carat Portuguese Cut
- 3 Carat Ashoka Cut
- 3 Carat Trillion Cut
- 3 Carat Hexagon Cut
Frequently Asked Questions
How big is a 3 carat princess cut lab grown diamond?
A 3 carat princess cut diamond measures approximately 7.5 x 7.5mm face-up — significantly larger and more commanding than a 2 carat princess cut at 6.9 x 6.9mm. At this exceptional size, the princess cut's bold square outline and sharp corners create an extraordinarily strong geometric visual presence that is immediately and unmistakably impressive and commanding from every angle and distance.
Why is corner protection even more critical at 3 carats?
At 3 carats, the four sharp corners of a princess cut diamond are at their most vulnerable — and the stone's exceptional value and rare size make proper corner protection absolutely non-negotiable. Always choose a four-prong or bezel setting that covers and protects all four corners. At this exceptional size, a chipped corner represents a significant and costly loss — corner protection should never be compromised at 3 carats.
Is a 3 carat princess cut lab grown diamond good for an engagement ring?
Yes — a 3 carat princess cut engagement ring is a truly bold, brilliantly magnificent, and visually extraordinary choice at this rare and exceptional size. Its exceptional brilliance, bold geometric grandeur, and commanding square presence at this exceptional size make it an outstanding and deeply impressive choice for the most important purchase of your life. At up to 80% less than a natural diamond of the same quality, a 3 carat IGI certified lab grown princess cut offers extraordinary value.
What is the difference between a 3 carat princess cut and radiant cut lab grown diamond?
Both are brilliant cut square diamonds at 3 carats but they differ in one critical way. A princess cut has sharp, uncut corners giving it a clean, bold geometric appearance of extraordinary presence. A radiant cut has trimmed corners giving it a slightly more octagonal outline that provides better protection against chipping at this exceptional size. Both deliver exceptional brilliance at 3 carats — the princess cut has a bolder, more modern geometric edge; the radiant cut has a slightly more practical and secure character at this rare and exceptional size.
What color and clarity should I choose for a 3 carat princess cut lab grown diamond?
At 3 carats, D–E color is strongly recommended for white gold or platinum settings as color becomes significantly more visible in the deeper pavilion and sharp corners at this exceptional size. VS1 clarity or higher is strongly recommended as inclusions become significantly more visible than at smaller sizes — pay particular attention to inclusions near the four sharp corners. All diamonds at Variation are available in D, E and F color grades and our experts can guide you to the finest quality at 3 carats.
Explore our full collection of 3 carat princess cut lab grown diamonds above and find the stone that speaks to you. Questions? Our diamond experts are here to help.