Purely my view, but unless I appreciated the mechanics of the watch and appreciated how it worked, I wouldn't go for the watch, I dream of a JLC, but honestly I don't fully appreciate them and therefore I couldn't justify the price tag.
What sort of a pink diamond could you get for 10k? Would you be happy with the size? Would you consider a pink sapphire?
I think in your budget I'd be looking at the VCA frivole line. Would you consider the Boodles raindance ring? I think that's a beautiful piece, with lots of presence. They have a pink diamond version, but I think prices for that are 20k and up.
I've been looking at this 0.75 ct brownish pink diamond on James Allen https://www.jamesallen.com/loose-di...adiant-cut/0.75-carat-vs2-clarity-sku-5837149. I'm happy with that size. If it's too big (> 1 ct), I won't wear it everyday. I've got a 1ct brown diamond ring. As much as I love it, it's too much for day time / school run. I only wear it for dinner and night parties.