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23.40ct D-Block Blue tanzanite from Tanzania (Merelani), cut to a cushion shape measuring 10.32 × 6.84 × 3.09 mm. Untreated, no heat enhancement. Certified by SSEF (report 4719107), eye clean clarity with very good cut grade. Hardness 6.5-7.0 Mohs. A collector-grade specimen — please contact our desk for a private viewing in Bangkok or Dubai.








