Voted the 'Best Hotel in Japan' for luxury and service in the recent TripAdvisor Travellers' Choice Awards, Mandarin Oriental, Tokyo has collaborated with deluxe Swiss brand Piaget to indulge couples with the ultimate flower-themed romantic stay. Among the treats is a piece of 18-carat gold jewellery set with brilliant-cut diamonds from the Piaget Rose collection, and tickets to Flowers by Naked, an annual digital art exhibition which this year has the theme of Hanami, Japan's celebration of cherry blossom. The Piaget Rose Room package includes a night in a Mandarin Grand Room with breakfast at K'shiki or the Oriental Lounge, and a rose-gold and diamond bracelet. Alternatively, the Piaget Rose Suite package offers accommodation in a Mandarin Suite and a pendant in white gold, set with 36 diamonds. Enjoy extra touches such as champagne and a bouquet of roses. More impressive still, is the Piaget Rose Propose Stay, featuring a night in the magnificent Presidential Suite and a VIP trip to the new flagship Piaget store in Ginza. Choose a forever ring and finish the day with a memorable dinner with wine pairing at Signature restaurant. For spa lovers, the Piaget Rose Day Spa package is ultra pampering, comprising an 80-minute rose treatment, a ticket to the exhibition, and a rose-gold and diamond bracelet.