The thing about precious gemstones is that you can never have enough! But when it comes to ultra-rare precious gems, you’ve probably only dipped your toe into the waters. No matter how much research you do, there will always be...

Enhancements, cuts, and setting: these may sound like a mix of buzzwords to the average reader, but to a jeweler, they’re the difference between a rough gem and a fine piece. Most market-worthy designs include retouched stones, which sometimes lowers...