Karat is karat: the gold deposited in plating carries the same elemental composition as solid gold of the same designation.
The Perfect Fit
For daily wear or layering, how a chain moves on the body matters as much as how it looks. A cable chain's open-link construction lets each oval articulate independently, so it conforms to the neck and lies flat against the chest rather than holding rigid.
Industry Insight
Two names, one mechanism: 'trigger clasp' describes what the lever does, 'lobster clasp' describes what the body resembles, and the trade has used both interchangeably for the same piece of hardware without any meaningful distinction between them.