Shop the best diamond engagement ring designs, from classic oval engagement rings to lab diamond engagement rings from brands ...

Kate Middleton's had an on-again, off-again relationship with her engagement ring for a year. What's the royal secret about ...

oval-cut diamond solitaire set in platinum (reportedly worth $578,000) taking up the majority of her third finger. Congrats to the happy couple! We finally got a good look at the engagement ring ...

Jones went with a classic oval solitaire ... Her moval-cut ring (a mashup of a marquis-cut and an oval-shaped diamond) was a unique choice, but unfortunately, their engagement was short-lived.

Princess Diana’s iconic sapphire and diamond engagement ring now belongs ... features a 12-karat oval Ceylon sapphire set in 18-karat white gold and is surrounded by 14 solitaire diamonds.