Both are real diamonds. The difference is origin — billions of years underground vs. weeks in a controlled reactor. But the financial and emotional implications are vastly different.
| ASPECT | NATURAL | LAB-GROWN |
|---|---|---|
| Chemical composition | Pure carbon | Pure carbon (identical) |
| Physical hardness | 10 Mohs | 10 Mohs (identical) |
| Price (1ct G/VS2/Ex) | ~$4,200–$6,000 | ~$490–$700 |
| Price trend (2026) | Stabilizing after decline | Falling ~30% per year |
| Certification | GIA, AGS preferred | IGI preferred, GIA available |
| Resale value | 30–50% of purchase price | Near zero (market oversupply) |
| Environmental impact | Mining: land & water use | Energy-intensive, no mining |
| Rarity | Billions of years to form | Weeks to grow |
| Detectability | Only by lab equipment | Only by lab equipment |
| Best for | Heirlooms, investment-minded | Maximum size per budget |
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