For those of you who may be interested in knowing, the new Shadow Gem weapons are just recolored versions of the Crystal Peacock Battleaxe, Shortbow, and Staff from the 2016 Crystal Peacock
Shadow Gem Cape - The RuneScape Wiki
Growtopia Blue Gem (5 Gems) (Cape Model) Minecraft Mob Skin
Ted Baker Gem Gardens Women's Cape Scarf
Hidden Gem Cape Cod | Orleans MA
Re-worked barrows gem cape. Left one's old, right ones the new one. (Aldo added in how it would look like ingame) : r/runescape