He said: “Katy’s engagement ring from Orlando is much more impressive. The yellow gold sparkler features an oval cut ruby ...

Orlando Bloom is the Lord of the (Engagement) Rings ... in yellow gold,” Mobley tells PEOPLE. “The center stone appears to be an oval-shaped ruby accented by natural white diamonds surrounding ...

The heirloom dates back to the 1840s and features a striking blue sapphire stone surrounded by 14 solitaire diamonds set in 18-karat white gold ... engagement, Lady Gaga's incredible pink sapphire ...

Her engagement ring—which she paired with a Welsh gold wedding band, a marital tradition for the royals—features a rare pink-orange padparadscha sapphire as its centerpiece with a diamond ...