Lab-grown diamonds outpace natural stones when it comes to engagement rings. Here’s why, and what to consider when shopping.

look for magic sizes — diamonds just under popular carat weights (e.g., 0.90 carats instead of 1.00) often cost significantly less while appearing nearly the same size. Additionally, the way a ...

Fancy-shape diamonds of 3 carats and larger are doing better. The RapNet Diamond Index (RAPI™) for 1-carat diamonds — reflecting round, D to H, IF to VS2 goods — decreased 2.3% in January.