Five sizes in one listing can feel like a lot, so here is how makers tend to use them. The small ovals go into studs and stacking rings, the middle ones into everyday pendants, and the big ones become the star of a cocktail ring or a long drop. The color stays the same across all of them, a soft rose gold with a metallic shimmer, so you can mix sizes in one collection and the pieces still belong together.
That color is what rainbow aura titanium quartz is known for. A thin titanium-based layer sits over the quartz and catches light unevenly, which is why you see pink in one spot and a warm gold in another. It makes the stone look more alive than a flat pink would, and it works nicely in rainbow titanium jewelry where you want a gentle, warm accent.
The shape is a clean oval, with a polished dome on the front and a flat back. Flat backs are easy to set, because the stone rests evenly in a bezel or on a tray, and they keep the finished piece slim, which matters for rings and earrings you wear all day.