a gem cutter that also sells stones, as the right source for such a specific item. After examining a few options, Mr. Coffin chose a elongated 3.95-carat blue-green Montana sapphire with a ...

Which stones are most likely to rule in 2025? With green achieving a near-consensus among dealers as the most popular shade, many are predicting that emeralds will be the year’s star gem. “Emeralds, ...