Gemfields Emerald Auction Fetches $9.9 Million

Prices for lower-quality rough emeralds nearly tripled during the past year, according to Gemfields Plc., which recently held an auction of the precious gem from its Kagem mine in Zambia. The mining giant’s auction of low quality emeralds from its wholly owned on March 10-14 in Jaipur, India, (where it owns a cutting and polishing facility) took in 77 cents per carat, a 148 percent increase from