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Lab-Grown Diamonds – What Are They?
Lab-grown diamonds are real diamonds, created using advanced technology that replicates the natural diamond formation process. Chemically, physically, and optically identical to mined diamonds, they offer a sustainable and ethical alternative without the environmental and ethical concerns associated with traditional diamond mining.
Will Lab-Grown Diamonds Pass a Diamond Tester?
Yes. Lab-grown diamonds are 100% pure carbon, just like mined diamonds, and will pass all standard thermal and electrical conductivity tests used by diamond testers.
Certification – Are Lab-Grown Diamonds Graded on the Same Metrics as Mined Diamonds?
Absolutely. Lab-grown diamonds are graded using the same industry-standard metrics as mined diamonds. At Ammil, we typically certify our diamonds with IGI (International Gemological Institute), but we also offer certification from GIA, SSEF, and other reputable labs upon request.
Do Diamonds Hold Their Value?
It’s a common myth that mined diamonds are a good investment. In reality, most lose a significant portion of their value the moment they are purchased, unless they have exceptional provenance or rarity. And if you’re buying a mined diamond for an engagement ring, you likely never intend to sell it as an investment anyway. Lab-grown diamonds follow a similar pattern, but because they start at a more accessible price point, the actual dollar depreciation is often lower. At Ammil, we believe a diamond’s true worth comes from what it represents—a symbol of commitment, craftsmanship, and sustainability. Our diamonds are premium, Swiss-made, and responsibly produced, offering a modern alternative without inflated pricing or hidden markups.
Key Factors for First-Time Buyers
of Lab-Grown Diamonds.
1. Sustainability – Is It Really Eco-Friendly?
If sustainability is a key reason for choosing a lab-grown diamond, ensure the brand uses true renewable energy rather than relying on carbon offset programs. Some brands claim to be "carbon neutral" simply by purchasing carbon credits, which doesn’t reflect their actual production impact. At Ammil, we ensure true sustainability by producing our diamonds in Switzerland using 100% renewable energy—without relying on greenwashing tactics.
3. Multilayering – What You Should Know
Some large lab-grown diamonds are grafted together in layers, making them more brittle. This won’t appear on a diamond certificate, so it’s important to buy from a reputable source that guarantees single-crystal growth.
5. Cut – The Most Important Factor for Sparkle
A diamond’s brilliance is entirely dependent on its cut. Even a high-grade diamond can look dull if poorly cut. Always prioritise excellent cut quality over carat weight.
7. Carat – Bigger Doesn’t Always Mean Better
Carat weight is often misunderstood—some diamond cuts appear larger or smaller than their actual weight due to proportions. Shape and cut quality have a significant impact on perceived size.
2. Ethics – Trust Your Supplier
Many diamond polishers worldwide work under unfair conditions, particularly in low-wage markets where workers earn as little as $200 per month. Ammil prioritises fair wages and ethical working conditions, ensuring that our diamonds are crafted with care and integrity.
4. Coloured Diamonds – Always See Them in Person
Coloured diamonds can look very different in real life compared to online images. Similarly, some white diamonds classified as D colour can have underlying brown, grey, or milky (BGM) tones, which aren’t indicated on certificates. Seeing them in person is crucial for making the right choice.
6. Colour – Where You Can Save Smartly
In yellow gold jewellery, a G colour diamond can appear nearly identical to an E colour diamond but costs significantly less. Small adjustments in colour grade can result in substantial savings.
8. Clarity – What’s Actually Visible?
For a diamond that looks flawless to the naked eye, VS1 clarity or higher is ideal. Lower clarity grades may have visible inclusions, which can affect overall appearance.
What Is a Realistic Price Range for a High-Quality Lab-Grown Diamond?
While lab-grown diamonds are more affordable than mined diamonds, extreme discounts often indicate compromises in quality. If a price seems too low, something is likely wrong with the diamond—it could be: -Multilayered, making it more brittle. -Coal-powered, negating sustainability claims. -Poorly cut, reducing brilliance and perceived size. -Polished under unfair labour conditions. How Ammil Diamonds Are Priced. We price our Swiss-made, sustainably produced lab-grown diamonds between CHF 1,200 and CHF 2,000 per carat, ensuring the highest standards of purity, sustainability, and craftsmanship.
Lab-Grown vs. Natural Diamonds – Carbon Impact
Mined diamonds have a far higher carbon footprint than lab-grown diamonds: Mined Diamonds: ~160kg CO₂ per diamond due to excavation. Unsustainable Lab-Grown Diamonds: ~500kg CO₂ per diamond if produced using coal-powered plants. Ammil Lab-Grown Diamonds: ~5kg CO₂ per diamond, using 100% Swiss renewable energy. Choosing a sustainable producer ensures a truly eco-friendly purchase.
Lab-Grown vs. Natural Diamonds – Value for Money
For the same budget, lab-grown diamonds offer significantly better value—allowing you to purchase a larger, higher-quality stone with guaranteed ethical and sustainable origins. However, quality and transparency matter—it’s essential to choose a trusted supplier to ensure the diamond meets the highest standards.