The average diamond carat weight for an engagement ring in the United States is about one carat. In the United Kingdom, it's 0.6 carats, and when looking at Europe as a whole, it's even smaller ...

Among them are a 8.2-carat blue sapphire ring, set to go for anywhere from $300,000-$500,000, and a 10.95-carat round brilliant-cut diamond set in gold, which will go for somewhere between $40,000 ...

A ring with a 7.31-carat emerald shaped diamond has an estimate of $120,000 - $180,000 . Freeman’s | Hindman . A 7.31-carat emerald shaped diamond is the top lot of Freeman’s | Hindman ...

Hailey Bieber shut down rumors that her engagement ring got a major upgrade thanks to her husband, Justin Bieber — it just got a minor one. “Actually, this is only one carat bigger,” Hailey ...