Write SQL query to solve given problem: In which segment does the customer who purchased the product from the east superstore with the highest original price belong?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.Segment FROM east_superstore AS T1 INNER JOIN people AS T2 ON T1.`Customer ID` = T2.`Customer ID` INNER JOIN product AS T3 ON T3.`Product ID` = T1.`Product ID` WHERE T1.Region = 'East' ORDER BY (T1.Sales / (1 - T1.Discount)) DESC LIMIT 1