- Who
- Naomi Sarna
- What
- 703.4 carat(s)
- Where
- United States (Hillsboro)
- When
The largest cut tanzanite weighs 703.4 carats (140.68 g), and was achieved by Naomi Sarna in Hillsboro, Oregon, USA, on 9 March 2024.
Naomi hopes to sell the tanzanite piece to fund eye health initiatives for the Maasai people of Tanzania.