A pink diamond ring that once belonged to Marie Antoinette's daughter is going up for auctionbr br A rare 10.38-carat pink diamond with ties to Marie Antoinette’s daughter is going up for auction at Christie's in New York in June and could fetch up to $5 million (€4.4m). br br READ MORE : br Spark your senses, wake your wonder. Euronews Culture seeks to show creativity in action and inspire our audience to explore the world through the five senses. Start your journey through the best of Europe's arts, gastronomy, traditions and high-end craftsmanship.