Additionally, certain diamond shapes, such as round and princess cuts, naturally hide imperfections better than step-cut shapes ... popular carat weights (e.g., 0.90 carats instead of 1.00 ...

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

While Round ... quality of a diamond Far from arbitrary, a diamond’s value is established through the precise evaluation of what experts call the 4Cs: cut, colour, clarity and carat weight.