Program aims to educate young consumers about mined stones’ positive qualities.
Company makes positive step toward increasing transparency.
Shipments fell significantly in China and Hong Kong, while US and Japan saw modest growth.
Initiative focuses on the connection between natural diamonds and personal milestones.
Program supporting artisanal miners has seen 68% sales growth so far this year.
The sale also included over 80 lots from the collection of British singer Dame Shirley Bassey.
Piece is one of several featuring colored diamonds at auction house’s third sale in Swiss city.
Other lots include René Boivin brooches that once belonged to socialite Babe Paley.
Sale of Diane Feinstein’s personal collection also included $19,200 California State Flower brooch.
Yellows fell further than other hues in third quarter, while pinks were mostly flat.
Paris Jewels sale will also feature a Cartier coral, mother-of-pearl and enamel clock set to fetch nearly $200,000.