About 1 Carat Lab Grown Diamond
1 Carat Lab Grown Diamond – Perfect Size, Brilliant Beauty
A 1 carat lab grown diamond is one of the most sought-after sizes in fine jewellery, offering the perfect balance of brilliance, elegance, and presence. Crafted using advanced CVD and HPHT technology, these diamonds are identical to mined diamonds in brilliance, durability, and physical structure—while being ethical, sustainable, and conflict-free.
At Variation Australia, every 1 carat lab grown diamond is IGI-certified, meticulously cut, and hand-selected for exceptional sparkle, clarity, and overall quality.
Why Choose a 1 Carat Lab Grown Diamond?
A 1 carat diamond offers impressive size and brilliance while remaining versatile and timeless.
Key Benefits
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Ideal size for engagement rings, pendants, and fine jewellery
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Brilliant sparkle visible in all lighting conditions
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Universally flattering and classic
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Ethical, conflict-free, and eco-friendly
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More affordable than mined 1 ct diamonds
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Suitable for both modern and vintage-inspired designs
It remains the global favourite for its perfect balance of size and beauty.
IGI-Certified Quality & Assurance
Each 1 carat lab grown diamond from Variation Australia includes an International Gemological Institute (IGI)certificate, ensuring world-class grading and authenticity.
Your IGI Certificate Includes
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Carat Weight: Precisely 1.00 ct
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Color: D–F (highest colorless grades)
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Clarity: VVS1–VS2 (near-flawless)
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Cut: Ideal or Excellent proportions
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Measurements: Verified for accuracy
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Laser Inscription: Unique IGI identification number
This guarantees transparency and trust with every diamond.
Size, Appearance & Ideal Proportions
A 1 carat diamond varies slightly in size depending on the cut.
Typical Dimensions by Shape
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Round Cut: ~6.3–6.5 mm diameter
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Oval Cut: ~8.0 × 5.5 mm
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Princess Cut: ~5.5 × 5.5 mm
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Emerald Cut: ~7.0 × 5.0 mm
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Cushion Cut: ~5.8 × 5.8 mm
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Radiant Cut: ~6.0 × 5.5 mm
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Pear Cut: ~9.0 × 5.5 mm
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Marquise Cut: ~10.0 × 5.0 mm
These proportions create the perfect balance of brilliance and face-up size.
Available in All Diamond Shapes
Variation Australia offers 1 carat lab grown diamonds in every popular and unique shape.
Available Cuts Include
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Round Cut – Timeless and brilliant
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Oval Cut – Elegant and elongated
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Princess Cut – Sharp and modern
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Cushion Cut – Soft and romantic
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Emerald Cut – Sleek and sophisticated
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Radiant Cut – Intense fire
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Pear Cut – Feminine teardrop silhouette
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Marquise Cut – Dramatic elongation
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Heart Cut – Symbolic and expressive
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Hexagon & Trillion Cuts – Unique and contemporary
Each diamond is selected for top-tier brilliance and precise symmetry.
Perfect for All Jewellery Styles
A 1 carat lab grown diamond is versatile enough to complement any jewellery design.
Ideal For:
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Engagement Rings
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Solitaire Pendants
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Diamond Stud Earrings
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Halo Rings
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Custom Fine Jewellery
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Anniversary & Milestone Gifts
Its brilliant size makes it a perfect centrepiece for meaningful jewellery.
Ethical, Sustainable & Environmentally Conscious
Lab grown diamonds offer significant environmental and ethical advantages over mined diamonds.
Sustainability Highlights
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No destructive mining
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Reduced carbon footprint
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Fully traceable origins
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Modern, eco-conscious production
Variation Australia further supports sustainability with a made-to-order jewellery model, reducing waste and promoting responsible luxury.
Australia-Wide & Worldwide Delivery
We deliver IGI-certified 1 carat lab grown diamonds across Australia and to 50+ countries, ensuring a premium and secure experience.
Every Order Includes
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Insured & trackable delivery
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Secure, tamper-proof packaging
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Luxury diamond box
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Verified IGI certificate
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Factory-direct, transparent pricing
Ideal for proposals, gifting, or adding to your fine jewellery collection.
Perfect Brilliance for Every Moment
A 1 carat lab grown diamond from Variation Australia represents elegance, timeless sparkle, and ethical craftsmanship. Whether used in an engagement ring or a cherished pendant, this diamond size delivers brilliance that captures every heart.
Discover the beauty of 1 Carat Lab Grown Diamonds at Variation — where luxury meets responsibility.
Frequently Asked Questions
What does “1 carat” mean in a Lab Grown diamond? +
“1 carat” refers to the weight of the diamond. A 1 carat Lab Grown diamond weighs exactly the
same as a 1 carat natural diamond — they share identical chemical and physical properties,
making Lab Grown diamonds real diamonds with the same brilliance and quality.
Does 1 carat correspond to size and look alike in different diamond shapes? +
No — while carat refers to weight, the visible size varies by shape. A 1 carat round, oval,
princess, or cushion cut may look slightly different in diameter or surface area despite having
the same weight.
Are 1 carat Lab Grown diamonds as durable as natural 1 carat diamonds? +
Yes — both Lab Grown and natural diamonds share the same hardness and structure. A 1 carat
Lab Grown diamond is equally durable and suitable for everyday jewellery.
Can I get a larger visible size with a 1 carat Lab Grown diamond? +
Yes — Lab Grown diamonds allow more flexibility in choosing well-cut shapes and better
proportions, helping you maximise face-up size and visual impact within the 1 carat range.
Does a 1 carat Lab Grown diamond offer good value compared to mined diamonds? +
Yes. Lab Grown diamonds typically offer better clarity, cut, or colour at similar price
points — giving excellent value, especially in the popular 1 carat segment.
Is a 1 carat Lab Grown diamond certified? +
Yes. 1 carat Lab Grown diamonds are commonly certified by IGI or GIA, ensuring transparency
on cut, colour, clarity, carat weight, and growth method.
Does the shape of a 1 carat diamond affect how it looks on the hand? +
Yes. Shapes like oval, pear, or marquise appear elongated and may look larger, while round or
princess cuts give a more classic appearance.
Are there many options available for 1 carat Lab Grown diamonds? +
Yes. You can choose from multiple shapes, colour grades, clarity grades, and cut qualities —
all within the 1 carat weight category.
Is maintenance different for Lab Grown vs mined 1 carat diamonds? +
No. Maintenance is identical — clean with warm soapy water, avoid harsh chemicals, and check
prongs and settings regularly.
Are 1 carat Lab Grown diamonds good for engagement rings? +
Yes. The 1 carat size offers a strong balance of beauty, visibility, and value — making it a
popular choice for engagement rings and fine jewellery.
Shape Guide
1 Carat Lab Grown Diamonds by Shape
Explore 1 Carat Lab Grown Diamond shapes and compare cut style, face-up presence, and overall brilliance to find the outline that best suits your preference.
The most popular diamond shape with unmatched brilliance and timeless appeal.
Elegant and elongated with a larger face-up appearance than round cuts.
A soft, romantic profile with pillowy edges and beautiful fire.
Step-cut facets and a clean, elegant hall-of-mirrors effect.
A stylish, tapered silhouette that elongates and flatters the hand.
Bold sparkle with clipped corners for a modern and refined silhouette.
A crisp, geometric square shape known for exceptional brilliance.
An elongated outline with pointed ends for strong finger coverage.
A romantic symbol featuring a distinct cleft and rounded lobes.
A bold geometric silhouette for modern, distinctive styling.