Kate Middleton doesn't always wear the sapphire and diamond engagement ring that was once worn by her late mother-in-law ...

the ring features a stunning 12-carat oval blue Ceylon sapphire, encircled by 14 solitaire diamonds and set in 18-carat white gold. Unlike most royal engagement rings, this one wasn’t custom ...

The ring that once belonged to Princess Diana is a stunning 12-carat sapphire, set in 18-carat white gold and surrounded ... you’ll never catch wearing her engagement ring.

Her stunning engagement ring is a sight to behold, consisting of 14 solitaire diamonds surrounding a 12-carat oval blue Ceylon sapphire set in 18-karat white gold. Her gold wedding band ...

“The eternity ring features a fine band of pavé-set diamonds in white gold or platinum—understated and symbolic,” Citron-Thompkins told Hello!. “In contrast to her bold sapphire ...