Category: Colored Gemstones

Gemfields to Post $73.5M Loss Following Ruby-Asset Downgrade

Revenue nearly doubles year on year in first half to $102.8 million.

Miner sells 100% of its 3 million carats of commercial-quality goods for $29.6 million.

Testing shows gems are copper-bearing Paraiba, with a color variation stemming from different chemical composition.

Recognized trade names such as “pigeon blood” and “royal blue” will now be included in description.

Nicole Ahline, supervisor for colored stones, shares her knowledge.

Nicole Ahline will explain how the lab identifies treatment status and origin.

Miner sells 36 of 37 lots for total of $26.8 million.

Reopening of Kagem emerald mine and cost-saving measures partially offset deficit.

Demand uneven, skewing away from lower-quality, smaller goods.

90% of lots found buyers in latest sale, averaging $279 per carat.

Lab-grown can serve as a gateway to broader diamond market, says Mehul Shah.