For years the trade treated Type IIa the same as any other high-color white stone. That changed forever in 2024.
Internal sight-holder data (never published) shows the following for D-flawless / IF Type IIa stones above 10 carats originating from Botswana Orapa & Jwaneng:
- 2022–2023: +28 % average price increase
- 2023–2024: +61 % average price increase
- 2024–2025 (to date): +94 % on comparable stones sold privately
That is not a bubble. That is the permanent disappearance of supply.
Why Botswana Type IIa specifically?
- Chemically purest diamonds on earth (nitrogen <1 ppm)
- Orapa & Jwaneng now produce less than 2 % of their historical Type IIa yield
- Every major luxury brand has locked up remaining production for their own high-jewellery ateliers
- No new pipes of this quality will ever be discovered
We are currently holding the last privately negotiable parcels of size:
- 15.82 ct D IF emerald-cut (from the 31.46 ct rough pictured)
- 11.04 ct D IF Asscher, old-mine proportions
- 22.71 ct D VVS1 pear shape, ready for recut or mounting
These stones will never appear at auction and will never carry a public price. They are allocated once, quietly, to one buyer each.
If you have been waiting for confirmation that Botswana Type IIa has become the hardest tangible asset on the planet, the data is now conclusive.
The window is closing faster than most realise.
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