Dior do the best highlighting powders - hands-down, no competition. Laura Mercier also know how to manufacture a good powder and their limited edition highlighter from last year, Spellbound, had me suitably entranced. However, I'm handing this title to Dior because between Amber Diamond (now discontinued) and this new powder, they've got highlighting down.
Dior Diorskin Nude Tan Transat Edition is a limited edition beauty, currently out as part of the summer collection. It is quite golden but not obnoxiously so - in the pan, it looks almost bronze but this just translates to an incredible warm glow on the skin. Appropriately enough, the shade is called Champagne Gold - it's a pale golden colour with plenty of warmth to it. The highlighter has no large chunks of glitter and gives more of a fine, sophisticated sheen to the face; the pattern has stayed intact as I've used it, and the powder also lasts really well on my skin.
This is an expensive piece of kit at €57, but the added bonus of a beautiful little kabuki (which is nice quality, by the way) sealed the deal for me. I've been using the kabuki to apply the powder and it's the perfect shape and size to blend around the tops of my cheeks and temples.
This compact is my pick of summer 2014. I have not seen anything as beautiful as among all of the new releases; if you're looking for one nice thing to splash out on, maybe in the airport or abroad, I fully recommend this. Highlighting powders are my absolute favourite item of makeup, and so I am prone to splashing out on them. Put it this way, it costs less than two NARS blushers and I've been using it daily. Beauty maths won every time!