Grand Luxury Hotels Mandarin Oriental Hong Kong, in collaboration with Australian skincare guru Gaylia Kristensen, unveiled the anti-ageing power of diamonds by offering the "Diamond Utopia Facial" at the Mandarin Spa. The Diamond Collagen Infusion Mask blends micronised diamond dust with botanical extracts. The diamond dust boosts microcirculation and luminosity, and reflects natural light for radiance. The rejuvenating experience smoothens the skin and eliminates lines and wrinkles. The facial starts at HK$2,100 on weekdays and HK$2,300 on weekends.