About 4 Carat Round Cut Lab Grown Diamonds
4 Carat Round Lab Grown Diamonds – Spectacular Brilliance with Unmatched Presence
A 4 carat round lab grown diamond is a masterpiece of luxury—bold, brilliant, and visually breathtaking. With its impressive size and perfectly symmetrical 58-facet design, the round brilliant cut delivers extraordinary fire and scintillation. Created using advanced CVD and HPHT technology, lab grown diamonds offer identical beauty, structure, and durability to mined diamonds—while being entirely ethical, sustainable, and conflict-free.
At Variation Australia, every 4 carat round diamond is IGI-certified, precision-cut, and chosen for exceptional brilliance, clarity, and fire.
Why Choose a 4 Carat Round Lab Grown Diamond?
A 4 carat round diamond makes a dramatic statement while maintaining timeless elegance.
Key Benefits
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Impressive diameter of ~10.2–10.5 mm
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Maximum brilliance with ideal cut proportions
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Universally flattering, classic diamond shape
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Ideal for luxury engagement rings and heirloom jewellery
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Ethical, conflict-free, and environmentally conscious
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Significantly more affordable than mined 4 ct round diamonds
This size delivers extraordinary sparkle and undeniable prestige.
IGI-Certified Quality & Complete Transparency
Every 4 carat round lab grown diamond from Variation Australia is independently graded by the International Gemological Institute (IGI).
Your IGI Certificate Includes
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Color: D–F (top colorless range)
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Clarity: VVS1–VS2 (near-flawless stones)
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Cut: Ideal/Excellent for maximum fire
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Measurements: ~10.2 to 10.5 mm
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Laser Inscription: Unique IGI identification number
This ensures world-class quality and total peace of mind.
Popular Ring Settings for 4 Carat Round Diamonds
A 4 carat diamond pairs beautifully with both minimal and glamorous settings.
Stunning Setting Styles
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Four-Prong Solitaire – Iconic brilliance with bold presence
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Six-Prong Setting – Classic and secure
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Hidden Halo Setting – Elegant shimmer beneath the stone
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Halo Rings – Creates an even larger, radiant appearance
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Three-Stone Rings – Significance and beauty combined
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Cathedral Setting – Elevated and sculptural
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Bezel Setting – Sleek and protective for modern styling
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Pavé Band Rings – Extra sparkle along the shank
Each style enhances the diamond’s remarkable size and fire.
Perfect for Engagement & High-Luxury Jewellery
A 4 carat round diamond is ideal for buyers seeking maximum brilliance and grandeur.
Ideal For:
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Luxury Engagement Rings
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Anniversary Rings
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High-End Custom Jewellery
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Investment-Grade Diamond Pieces
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Special Occasion Gifts
Its extraordinary size and sparkle create a powerful and unforgettable impression.
Ethical, Sustainable & Responsibly Crafted
Lab grown diamonds offer a modern, responsible approach to luxury.
Sustainability Highlights
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No destructive mining
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Lower carbon emissions
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Fully traceable, conflict-free origins
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Eco-conscious production practices
Variation Australia reinforces this promise with a made-to-order jewellery model, minimising waste and supporting mindful craftsmanship.
Australia-Wide & Worldwide Delivery
We deliver 4 carat round lab grown diamonds across Australia and to 50+ countries, ensuring secure and premium service.
Your Order Includes
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Insured & trackable delivery
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Secure, tamper-proof packaging
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Luxury ring or diamond box
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Verified IGI certificate
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Transparent factory-direct pricing
Perfect for proposals, luxury gifting, and timeless heirloom jewellery.
Grandeur & Brilliance, Ethically Created
A 4 carat round lab grown diamond from Variation Australia offers dramatic sparkle, timeless elegance, and responsible luxury. Whether set in a classic solitaire or an elaborate halo, this diamond size makes a confident, unforgettable statement.
Discover the brilliance of 4 Carat Round Lab Grown Diamonds at Variation — where extraordinary beauty meets ethical excellence.