Diamond Education
Type IIa Diamonds Explained: Why the Top 2% Purity Matters for Your Business
August 14, 2026Aura Diamonds Jaipur
Type IIadiamond purityeducation
What Makes Type IIa Special?
Type IIa represents the pinnacle of diamond purity, accounting for less than 2% of all natural diamonds.
The Science
Type IIa diamonds are composed of virtually pure carbon — no nitrogen, no boron, no structural irregularities.
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