The Jasmine extract is among the most expensive in the world. It takes 500 pounds of jasmine blossoms to produce one pound of the essential oil used to scent the candles and room mists. The scent is strong and powerful. When burned along with a woodsy candle, it cuts its sweetness and reinforces its natural garden scent. Available in candles, room mists and burning oil essences. Diptyque candles burn for an average of 50 to 60 hours.