Explore our curated selection of IGI-certified 3 Carat Lab Grown Diamonds—real diamonds, responsibly grown, and precision-graded for lasting value.
About 3 Carat Lab Grown Diamonds
3 Carat Lab Grown Diamonds – Significant Scale, Verified Precision
3 carat lab grown diamonds deliver a pronounced visual presence while requiring exacting control over proportions, symmetry, and surface finish. At this size, precision in cutting and grading becomes critical to ensure consistent optical performance and structural stability.
At Variation, each 3 carat lab grown diamond is assessed against strict parameters 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 3 Carat Lab Grown Diamonds?
3 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 3 carat level, precise proportion control and symmetry alignment are essential to maintain brilliance, clarity visibility, and long-term performance.
Key Characteristics
Exact 3.00 carat diamond weight
100% real lab grown diamonds composed of pure carbon
Identical hardness and optical properties to mined diamonds
Strong visual presence across all diamond shapes
IGI-certified diamonds for verified grading and transparency
3 carat lab grown diamonds are selected for buyers who require scale supported by measurable quality.
Why Choose 3 Carat Lab Grown Diamonds from Variation?
Variation is built on precision selection, transparent sourcing, and consistent grading standards. Our 3 carat diamonds are chosen for customers who require documented specifications, repeatable quality, and international verification.
Why Customers Choose Variation
IGI-certified 3 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 3 Carats
Variation offers 3 carat lab grown diamonds across a wide range of shapes, each evaluated for proportion, symmetry, and visual stability.
Common Shapes
Round Cut – Optimised light return with balanced proportions
Oval Cut – Elongated outline with increased surface area
Emerald Cut – Step-cut geometry with clarity emphasis
Cushion Cut – Soft contours with controlled brilliance
Princess Cut – Structured geometry with clean facet alignment
Pear, Marquise, and Radiant Cuts – Distinct profiles with controlled performance
Each shape is assessed to ensure reliable performance at the 3 carat size.
IGI Certification – International Standards You Can Trust
Every 3 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 3.00 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 3 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, 3 carat lab grown diamonds are commonly selected for:
Engagement rings
Statement rings
Solitaire pendants
High-impact stud earrings
Custom jewellery designs
Their scale and documented quality make them suitable for prominent and structured settings.
Worldwide Delivery and Transparent Value
Variation delivers 3 carat lab grown diamonds securely to Germany and across Europe, ensuring a reliable and consistent purchasing experience.
You receive:
IGI-certified 3 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.
Controlled Scale, Defined Precision
3 carat lab grown diamonds from Variation represent disciplined control of size, symmetry, and verified quality. Designed for buyers who prioritise documentation and long-term reliability, these diamonds deliver consistent performance at increased scale.
Explore Variation’s 3 carat lab grown diamonds and choose precision defined by international standards, responsible sourcing, and modern diamond expertise.
Frequently Asked Questions
Is a 3 carat lab grown diamond considered a luxury size? +
Yes. A 3 carat diamond is widely regarded as a luxury, high-impact size. It has a commanding
presence, exceptional visibility, and is often chosen for premium engagement rings,
statement solitaires, and upscale fine jewellery pieces.
How large does a 3 carat diamond look compared to a 2 carat or 1 carat diamond? +
A 3 carat diamond appears significantly larger — not just by weight, but by surface area.
Depending on the shape, a 3 carat stone can look 40–60% larger than a 2 carat, and more than
double the visual size of a 1 carat diamond.
Are 3 carat lab grown diamonds more affordable than mined diamonds of the same size? +
Yes — the cost difference is substantial. A 3 carat lab grown diamond can be up to 70–80%
more affordable than a mined diamond of the same cut, clarity, and color, making large diamonds
more achievable for modern buyers.
Do 3 carat lab grown diamonds sparkle as much as natural diamonds of the same size? +
Absolutely. Since lab grown diamonds are real diamonds with identical physical and optical
properties, a well-cut 3 carat stone will offer exceptional brilliance, fire, and scintillation
just like a natural diamond of equivalent quality.
Which clarity and color grades are recommended for a 3 carat diamond? +
Larger diamonds show inclusions more easily, so most buyers prefer
D–F color and VVS1–VS1 clarity to maintain a bright, clean look.
However, cut quality should always be the top priority for maximizing light performance.
Do 3 carat lab grown diamonds come with IGI or GIA certification? +
Yes. Most 3 carat lab grown diamonds are certified by leading gemological laboratories such
as IGI or GIA, ensuring transparency on the diamond’s 4Cs, polish, symmetry, and growth method.
Are 3 carat diamonds practical for everyday wear in engagement rings? +
Yes — as long as they are set securely. A strong setting such as a 4-prong, 6-prong, bezel,
or cathedral design helps protect the stone while maintaining comfort and stability for
daily wear.
Which shapes look biggest in the 3 carat range? +
Shapes like oval, pear, radiant, emerald, and marquise appear especially large due to their
elongated proportions and larger face-up area, while round diamonds emphasize brilliance and
fire more than apparent size.
Is a 3 carat lab grown diamond good for pendants or earrings? +
Definitely. A 3 carat solitaire makes a luxurious pendant with a bold presence, and
1.5 carat each stones create premium stud earrings with excellent sparkle and balance.
Are there many options available in the 3 carat lab grown diamond category? +
Yes. You can choose from a wide selection of shapes (round, oval, emerald, radiant,
pear, cushion, marquise, princess, fancy shapes), clarity grades, colors, and cut qualities
within the 3 carat range, making it easy to find one that suits your style and budget.
Shape Guide
3 Carat Lab Grown Diamonds by Shape
Explore 3 Carat Lab Grown Diamond shapes and compare cut style, face-up presence, and brilliance to find the outline that best suits your preference.
The most iconic diamond shape with unmatched brilliance and timeless appeal.
Elegant and elongated with a large face-up look and flattering outline.
Soft, pillowy edges paired with exceptional fire and brilliance.
Clean step-cut facets for a sophisticated hall-of-mirrors effect.
A flattering, tapered silhouette with excellent finger coverage.
Bright, bold sparkle with cropped corners for a modern look.
A geometric square profile delivering brilliant sparkle and symmetry.
Distinctive pointed tips and an elongated form for maximum spread.
A meaningful, romantic shape with a beautifully defined cleft.
A bold geometric design ideal for modern and artistic jewellery.