Montblanc Pétales de Rose Motif Ring in White Gold with Diamonds

From the Princess Grace de Monaco collection.

Worn by Charlotte Casiraghi on:

• 3 April 2017 - Montblanc and UNICEF Gala

• 20 May 2017 - Vanity Fair And HBO dinner in Cap d'Antibes, France

• 28 September 2017 - Opening of Yves Saint Laurent museum