I haven't really tried much by Illamasqua. Mostly because of the accessibility. Once it pulled out of Sephora it was harder to get in the US. I saw this new Beyond Powder Highlighter in Deity when I was browsing Beauty Bay. This was pretty much sold out shortly after it's launch online.
Details per Illamasqua:
Invoking the fresh radiance of a spring morning, Beyond Powder in Deity has a unique golden green shimmer. This baked highlighting powder and its lightweight texture add a subtle warmth and healthy glow to your skin for an iridescent shine and silky finish.
Application
Apply with the Highlighter Brush to the tops of the cheekbones to add instant shimmer and shine. Buff onto the collarbone and shoulders to give an elegant golden glow to the skin.
Dampen an eye shadow brush to create a high shine metallic eye shadow with an ultra long lasting finish.
This powder has the silkiest, lightweight texture. It feels like air. Maybe not, but it's incredibly light. It's smooth and glides across the skin with a silky feel. This looks like it would be really frosty when you first swipe it, but when applied with a brush like a Wayne Goss Air Brush it gives a shimmery golden green sheen. This is buildable.
The color Deity is a shimmery green gold. It's more gold than green. It's a pale neutral to cool gold. It's not a warm or bright yellow gold. The green gold is almost in a pale beige base, like a champagne that flashes gold with a hint of green. Deity isn't frosty nor is it glittery. I really like this lightweight formula. I actually want to try OMG now. It's on my wishlist.
Deity wasn't quite for me as I'm not a gold highlighter fan in general. I was hoping for more green. A lot of people are going to love this shade. Sadly it's limited edition.
Top Deity Heavy, Bottom Sheered Out: