1. Brand awareness: Chow Tai Fook is one of the famous jewelry brands in Hong Kong, with high brand awareness, so the product price is relatively high; Although Oriental Charm is also an influential brand, its popularity may be relatively low, so the product price may also be relatively low.

2. Cost factor: the product cost is low and the price is relatively low. Oriental verve may have adopted some lower-cost production methods or procurement channels, which lowered the price of products on the premise of ensuring product quality.

3. Sales strategy: Oriental Charm may have adopted some promotion strategies, such as discounts and coupons, to attract consumers to buy, thus increasing sales and market share. These promotion strategies will also lead to the reduction of product prices.

In a word, Oriental Charm Gold is cheaper than Chow Tai Fook for many reasons, including brand awareness, cost factors, sales strategies and so on. When consumers buy gold jewelry, they can choose their own brands and products according to their own needs and budgets.