Home » Cruise News of Europe » Oceania Cruises and Regent Seven Seas Cruises Bring Diamonds International’s Iconic Luxury Jewelry and Timeless Elegance Onboard for the Ultimate Shopping Escape Published on August 13, 2025In a groundbreaking collaboration, Oceania Cruises and Regent Seven Seas Cruises, two of the world’s leading luxury cruise lines, have partnered with Diamonds International to...