Here's a list of the world's top 6 most expensive coffees: 1) Ospina, Tk 3.49 lakh per KG 2) Black Ivory, Tk 2.76 lakh per KG 3) Kopi Luwak, Tk 1.43 lakh per KG 4) Finca El Injerto, Tk 1.2 lakh per KG 5) Saint Helena, Tk 54,582 per KG 6) Hacienda La Esmeralda, Tk 48, 615 per KG