A diamond expert not only estimated the price of Karoline Leavitt’s engagement ring but also shared insights into her wedding ...

I tried an engagement ring from Quince, the online direct-to-consumer brand. Its center stone is a 3 carat lab-grown diamond set on a simple gold band.

Halo settings as well as bezel settings—which secure the center stone in place with a minimal platinum ... her new ...

A 5.72-carat fancy intense blue diamond ... The cushion-shaped brilliant-cut blue diamond with VVS1 clarity is mounted on a platinum ring and flanked by round diamonds. Harry Winston jewels ...

Halo settings as well as bezel settings—which secure the center stone in place with a minimal platinum ... ring. For other celebrities who don't want to go quite as big, three- to five-carat ...