The number of jewelry pieces being sent to the International Gemological Institute (IGI) for grading and authentication continues to rise, indicating a faster-than-expected revival among jewelers, according to CEO Roland Lorie.

Lorie spoke with Rapaport Senior Analyst Avi Krawitz about market conditions as well as hot-button issues affecting the industry and the grading labs, including lab-grown diamonds, traceability and automation in diamond grading.