The 24-year-old finished fifth alongside Sarrah Barrow in the 10m synchronised platform event at London 2012 and has built on that result this season.
Although Couch has won diving medals in the past they have all been in synchro events alongside Barrow, only for a trip to Mexico last month to change all that.
Guadalajara was the scene for the final World Series tour event and Couch saved her best for last, returning home with a bronze medal to show for her efforts.
This was the two-time Olympian's first individual international medal and she believes it couldn't be better timed with this summer's World Championships fast approaching.
"I'm competing in a different league now even from a year ago – I've definitely stepped up to a higher level," Couch said.
"It's a little bit scary, really, as although I've got the [individual] medal, it wasn't the best I've dived.
"It still hasn't sunk in that I won a World Series individual medal – even though I watched a re-run on TV of me being presented with it.
"People have said that now I've made the breakthrough and won the medal, other divers will start looking at me in a new light.
"But it's nice if they do as now I've proved, individually, in three World Series events this year, that I'm not only capable of reaching finals, but of winning a medal, too.
"So, I must be getting a little bit better."
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