Category: Colored Gemstones

Rising Interest in New Ruby Material at Gemfields Mini-Auction

Sale features medium to commercial grades from recently developed mining area.

Gemfields Revenue Plunges Amid Temporary Mine Closure

First-half loss primarily due to fewer high-grade rubies from Montepuez and the impact of a 15% export duty on emeralds from Zambia.

Emerald Prices Climb at Gemfields Auction

100% of lots find buyers at the sale of high-quality rough.

Gemfields Recovers Massive 11,685ct. Emerald

Company names Zambia-mined stone Imboo, meaning “buffalo” in local language.

Gemfields Sells Luxury Brand Fabergé for $50M

SMG Capital purchases iconic design label.

Columbia Gem House Launches New Source of Traceable Rubies and Sapphires 

The untreated vibrant gems originate in central Tanzania.

Processing-Plant Pause Impacts Gemfields’ Auction Revenue 

Sales plunge 50% year on year in first half amid five-month production shutdown at Kagem emerald mine.

Auction House to Offer Nearly 1,500 Kilos of Rough Emeralds 

7.3 million carats of Brazilian gems are going on the block as part of a court-ordered liquidation.

Gemfields to Open New Ruby-Processing Plant  

Montepuez mine to triple ore capacity.

Gemfields Notes Strong Ruby Prices Despite Downturn 

36-carat stone offered at auction is third-most-valuable item company has ever sold.

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