Luk Fook (International)'s (HKG:0590) expects a 40% to 50% year-over-year rise in profit for the six months ended Sept. 30, a Thursday Hong Kong bourse filing said.

The jewelry retailer attributed the forecast to an improved profit margin and an increased sales mix in fixed-price jewelry products.

Revenue for the same period is expected to increase by 20% to 30% due to the sales growth of jewelry products.