Lab-Grown Diamonds
$850 – $7,200
Lab-grown diamonds provide the same brilliance and durability as natural diamonds. They are ethically produced, IGI-certified, and offer exceptional value, making them an excellent choice for engagement rings. Chemically, lab-grown diamonds are identical to their natural counterparts, but they can be up to 400% more affordable. We can supply any shape, size, and quality you desire.
Visit our stores to view our outstanding selection of diamonds, or contact our friendly team for more information.
Lab-Grown Diamonds – Ethical, Brilliant, and Certified
Lab-grown diamonds offer the same exceptional brilliance, durability, and prestige as their natural counterparts — at a fraction of the cost. Scientifically identical in chemical, physical, and optical composition, these diamonds are grown in advanced laboratories rather than formed underground, resulting in a diamond that is both ethical and sustainable.
Why Choose Lab-Grown Diamonds?
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Chemically and physically identical to natural diamonds
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Certified by leading gemological institutes, including IGI, with laser inscriptions for traceability
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Excellent value — typically 25% of the cost of a mined diamond of equivalent size and quality
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Sustainably and ethically produced, offering a clean and environmentally conscious choice
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Perfect for engagement rings and fine jewellery, with premium cut, colour, and clarity options
Our Lab Diamond Standards
Polished Diamonds offers an extensive selection of high-quality lab-grown diamonds in nearly every size, shape, and grade. Our default standard features:
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D–F Colour (colourless, exceptional white)
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VS2 Clarity (eye-clean, excellent brilliance)
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Excellent Cut for maximum sparkle and fire
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Certification by IGI (International Gemological Institute)
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Laser-inscribed girdle marking to distinguish from natural diamonds
LG diamonds are rated 10 on the Mohs hardness scale — identical to natural diamonds, ensuring superior durability and resistance to scratching or dulling over time. They are not to be confused with simulants like cubic zirconia or Moissanite, which lack the lasting brilliance and hardness of true diamonds.
As we often say, lab diamonds are like ice from a freezer, while natural diamonds are like ice from a glacier — visually identical, with the same structure and purity, only differentiated by origin.
Customisation & Setting Options
Every lab-grown diamond we stock can be set into your preferred ring design, whether for engagement, wedding, or everyday wear. Explore our full range online or in-store, and let our diamantaires guide you in creating your perfect piece.
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