1 Carat Round Lab Grown Diamonds – Timeless Brilliance, Perfect Balance
1 carat round lab grown diamonds are the most popular and iconic choice for engagement rings and fine jewellery. Known for their flawless symmetry, brilliant sparkle, and universal appeal, round diamonds offer unmatched fire and light performance. Created using advanced CVD and HPHT technology, these lab grown diamonds are identical to mined diamonds in beauty, durability, and composition—while being ethical, sustainable, and conflict-free.
At Variation Australia, every 1 carat round diamond is IGI-certified, precisely cut, and hand-selected for its superior brilliance, clarity, and overall quality.
Why Choose a 1 Carat Round Lab Grown Diamond?
A 1 carat diamond is the perfect balance of size, elegance, and brilliance—making it one of the most sought-after diamond sizes worldwide.
Key Benefits
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Ideal size for maximum sparkle without being oversized
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Timeless round brilliant cut with 58 perfectly angled facets
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Performs beautifully in all lighting conditions
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Perfect for all jewellery styles, especially engagement rings
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Ethical, eco-friendly, and conflict-free
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Better value compared to mined 1 carat diamonds
A 1 carat round diamond is versatile, luxurious, and always in style.
IGI-Certified Quality and Precision
Each 1 carat round lab grown diamond from Variation Australia is independently graded by the International Gemological Institute (IGI) to ensure exceptional quality.
Your IGI Certificate Includes
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Cut: Ideal or Excellent (maximum fire & brilliance)
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Color: D–F (highest colorless grades)
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Clarity: VVS1–VS2 (near-flawless stones)
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Carat Weight: Precisely 1.00 ct with accurate measurements
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Proportions: Depth, table, polish, and symmetry
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Laser Inscription: Unique IGI report number
This ensures complete transparency, authenticity, and trust.
Size, Appearance & Ideal Proportions
A 1 carat round diamond typically measures 6.3 – 6.5 mm in diameter.
What Makes It Visually Perfect
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Classic round outline
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Ideal facet pattern for maximum sparkle
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Excellent symmetry for even light reflection
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Beautiful face-up size suitable for everyday wear
Its proportions make it the most versatile and flattering diamond shape and size.
Perfect for All Jewellery Designs
The 1 carat round diamond is the most adaptable diamond for nearly any jewellery design.
Ideal For:
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Solitaire engagement rings
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Halo engagement rings
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Pavé & hidden halo settings
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Stud earrings
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Solitaire pendants
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Tennis bracelets
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Diamond station necklaces
Its timeless brilliance enhances every design beautifully.
Ethical, Sustainable & Future-Focused
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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Lower carbon footprint
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Fully traceable and conflict-free
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Responsible manufacturing practices
Variation Australia supports sustainability through a made-to-order production model, reducing waste and ensuring thoughtful craftsmanship.
Australia-Wide & Worldwide Delivery
We ship IGI-certified 1 carat round lab grown diamonds across Australia and to 50+ countries with complete safety and reliability.
Every Order Includes
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Insured and trackable delivery
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Tamper-proof secure packaging
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Luxury diamond presentation box
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Verified IGI certificate
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Factory-direct pricing with no retail markups
Perfect for proposals, custom jewellery, gifting, or personal collections.
The World’s Most Loved Diamond Size & Shape
A 1 carat round lab grown diamond from Variation Australia offers timeless brilliance, exceptional value, and ethical beauty. Whether you’re choosing a centre stone for an engagement ring or designing custom jewellery, this diamond delivers elegance that never goes out of style.
Discover the brilliance of 1 Carat Round Lab Grown Diamonds at Variation — where luxury meets responsibility.