About 4 Carat Lab Grown Diamonds
4 Carat Lab Grown Diamonds – Expanded Scale, Controlled Precision
4 carat lab grown diamonds present a substantial increase in visual scale and require rigorous control over proportions, symmetry, and surface finish. At this size, precise cutting and strict grading standards are essential to preserve optical performance and structural integrity.
At Variation, each 4 carat lab grown diamond is assessed against exacting criteria for cut accuracy, balance, and finish. Featuring IGI-certified grading, our diamonds meet internationally recognised standards and are trusted by customers across Germany and Europe.
What Are 4 Carat Lab Grown Diamonds?
4 carat lab grown diamonds are genuine diamonds created using advanced CVD (Chemical Vapor Deposition) or HPHT (High Pressure High Temperature) technology. They are chemically, physically, and optically identical to mined diamonds.
At the 4 carat level, precise proportion control and symmetry alignment are critical to maintain brilliance, manage light return, and ensure long-term performance.
Key Characteristics
Exact 4.00 carat diamond weight
100% real lab grown diamonds composed of pure carbon
Identical hardness and optical properties to mined diamonds
Pronounced visual presence across all diamond shapes
IGI-certified diamonds for verified grading and transparency
4 carat lab grown diamonds are selected for buyers who require significant scale supported by measurable quality.
Why Choose 4 Carat Lab Grown Diamonds from Variation?
Variation is built on precision selection, transparent sourcing, and consistent grading standards. Our 4 carat diamonds are chosen for customers who require documented specifications, repeatable quality, and international verification.
Why Customers Choose Variation
IGI-certified 4 carat lab grown diamonds
Strict evaluation of cut, symmetry, and polish
Ethical, conflict-free diamond creation
Consistent quality across shapes and grades
Direct-from-manufacturer value
Clear documentation of all specifications
All specifications are documented clearly, ensuring traceability and confidence during selection.
Available Diamond Shapes at 4 Carats
Variation offers 4 carat lab grown diamonds across a broad range of shapes, each evaluated for proportion, symmetry, and visual stability.
Common Shapes
Round Cut – Balanced brilliance with optimised light return
Oval Cut – Elongated outline with expanded surface area
Emerald Cut – Step-cut geometry with strong clarity emphasis
Cushion Cut – Soft contours with controlled brilliance
Princess Cut – Structured profile with clean facet alignment
Pear, Marquise, and Radiant Cuts – Distinct silhouettes with controlled performance
Each shape is assessed to ensure stable performance at the 4 carat size.
IGI Certification – International Standards You Can Trust
Every 4 carat lab grown diamond from Variation includes an IGI certificate, providing independent verification of quality, proportions, and measurements.
IGI Certification Verifies
Diamond shape and cut proportions
Colour grade (typically D–F)
Clarity grade (VVS1–VS2)
Exact 4.00 carat weight
Laser inscription for authenticity
This certification ensures global recognition and confidence across European and international markets.
Ethical Creation and Responsible Standards
Variation’s 4 carat lab grown diamonds are produced using responsible growth methods that significantly reduce environmental impact while maintaining strict quality control.
Our Commitments
No mining-related environmental impact
Fully traceable diamond growth
Reduced environmental footprint
Inventory-free sourcing approach
Transparent grading and pricing
Each diamond reflects a forward-looking approach to modern diamond sourcing.
Suitable for a Wide Range of Applications
Although this collection focuses on loose diamonds, 4 carat lab grown diamonds are commonly selected for:
High-impact engagement rings
Statement rings
Solitaire pendants
Prominent stud earrings
Custom jewellery designs
Their scale and documented quality make them suitable for prominent, structured settings.
Worldwide Delivery and Transparent Value
Variation delivers 4 carat lab grown diamonds securely to Germany and across Europe, ensuring a reliable and consistent purchasing experience.
You receive:
IGI-certified 4 carat lab grown diamonds
Complete grading documentation
Direct-from-manufacturer pricing
Secure, fully trackable international delivery with clear documentation
Verified authenticity records
Our pricing remains consistent and transparent across all global markets.
Increased Scale, Disciplined Execution
4 carat lab grown diamonds from Variation represent controlled scale, precise symmetry, and verified quality. Designed for buyers who prioritise documentation and long-term reliability, these diamonds deliver consistent performance at a significant size.
Explore Variation’s 4 carat lab grown diamonds and choose precision defined by international standards, responsible sourcing, and modern diamond expertise.
Frequently Asked Questions
Is a 4 carat lab grown diamond considered an extra-large or statement size? +
Yes. A 4 carat diamond is a true statement size with major visual impact. It offers
exceptional finger coverage and instantly stands out, making it ideal for bold engagement
rings and high-luxury jewellery pieces.
How large does a 4 carat diamond look compared to 2 or 3 carat diamonds? +
A 4 carat diamond is not just “one carat more” than a 3 carat — the face-up area and overall
presence increase significantly. Depending on shape and cut, a 4 carat stone can look
around 20–30% larger than a 3 carat and dramatically larger than a 2 carat diamond on the hand.
Are 4 carat lab grown diamonds much more affordable than mined diamonds of the same size? +
Yes. In larger sizes, the price gap becomes even more visible. A 4 carat lab grown diamond
can cost a fraction of a comparable mined diamond, allowing you to prioritise size, cut, and
quality without the extreme price of natural stones at this carat weight.
Do 4 carat lab grown diamonds sparkle as much as natural diamonds of the same size and grade? +
Absolutely. Lab grown diamonds have the same chemical composition and crystal structure as
mined diamonds. A well-cut 4 carat lab grown diamond will deliver the same brilliance, fire,
and scintillation as a natural diamond of identical specifications.
Which color and clarity grades are recommended for a 4 carat diamond? +
In a 4 carat size, inclusions and color are easier to see. Many buyers prefer
D–F color and VVS1–VS1 clarity to keep the diamond looking bright and clean.
However, an excellent or very good cut is essential for maximising light performance and beauty.
Are 4 carat lab grown diamonds certified by IGI or GIA? +
Yes. 4 carat lab grown diamonds typically come with certification from respected gemological
laboratories such as IGI or GIA, with detailed grading reports covering the diamond’s 4Cs,
proportions, and growth method (CVD or HPHT).
Is a 4 carat diamond practical for everyday wear in an engagement ring? +
A 4 carat diamond can be worn daily, but the setting becomes very important.
Secure designs like strong prongs, bezel, or halo settings help protect the stone and
keep it stable, while ensuring it feels comfortable despite its larger size and height.
Which shapes look best in the 4 carat range for lab grown diamonds? +
Round, oval, emerald, radiant, and pear shapes are especially popular at 4 carats.
Ovals, pears, and marquise maximise apparent size and finger coverage, while round and emerald
cuts emphasise balance, symmetry, and either maximum brilliance or elegant step-cut reflections.
Is a 4 carat lab grown diamond a good choice for pendants and high jewellery pieces? +
Yes. A 4 carat solitaire makes an exceptional pendant or centre stone in high jewellery designs.
It offers dramatic presence and can be the focal point of a bespoke necklace, cocktail ring,
or red-carpet style piece.
Are there many options available in 4 carat lab grown diamonds? +
Yes. You can choose from multiple shapes (round, oval, emerald, radiant, cushion, pear,
marquise, fancy cuts), a wide range of color and clarity grades, and different growth methods,
allowing you to tailor the 4 carat diamond to your exact style and budget.
Shape Guide
4 Carat Lab Grown Diamonds by Shape
Explore 4 Carat Lab Grown Diamond shapes and compare brilliance, spread, and faceting styles to find the perfect silhouette for your preferences.
The most brilliant and iconic diamond shape with timeless appeal.
Elongated, elegant, and offers exceptional face-up size and sparkle.
Rounded edges and a romantic shape with captivating fire.
A step-cut classic known for its sleek lines and sophisticated presence.
A flattering teardrop outline that enhances finger length and elegance.
Intense sparkle with a modern silhouette featuring cropped corners.
A symmetrical square shape offering exceptional brilliance and precision.
Dramatic pointed ends and maximum surface area for striking finger coverage.
A romantic and symbolic shape with beautiful symmetry and presence.
A bold geometric silhouette perfect for modern, distinctive jewellery lovers.