1 carat diamond rings gained immense popularity due to the all-important balance between beauty and budget. Rest assured that such a piece will prove a suitable, wearable size for almost any hand.

The sale will spotlight two other colored gems that are set on rings, too, including a 1.38-carat fancy vivid purplish pink diamond (estimate: $425,000 to $560,000) and a 2.65-carat fancy intense ...

The memorable ring included a 2.88-carat diamond next to a 2.84-carat emerald, surrounded by tapered baguettes. According to historians, it was later upgraded to include an additional 2.12 carats ...