The Maximalist

When platinum just isn't enough, the diamond-encrusted Dubai First Royale credit card can deliver any good or service imaginable. Available by invitation only and hand-delivered to the front door, it comes with a personal lifestyle manager who can book private planes, land invites to exclusive parties and arrange to have the dog walked. No purchase, no matter how extravagant, will ever be denied. And for those wondering where to purchase a horse, it also comes with an equestrian concierge service ($2,000 annually;