And because prices for personalized or custom jewelry can range wildly ... “They do a fabulous job with simple, clean designs,” she says, adding that these gothic-style initial studs would ...

Welch also divulged that the ring was a black diamond and that Healy, 35, had it custom-made for his bride-to-be. The PEOPLE Puzzler crossword is here! How quickly can you solve it? Play now!

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.