GIA graded the 20.46-carat gem as a type IIb, Fancy Deep Blue, oval brilliant cut, VVS2. Read More..

Alrosa: The diamond market performed weaker due to lower jewelry sales during the holiday season - “all the key consumer markets for diamond jewelry saw a “mixed performance.” Read More..

Less than a month after finding a 425-carat block-buster stone, Petra unearths another huge diamond.  Read More..

The MGJ Conference connects the gem and jewelry business community and the multi -faceted community of gemologists, appraisers, mineralogists and other scientists. Read More..

Richard “Dick” Greenwood, a well-known, highly respected and treasured member of New York's colored gemstone business community, died on April 13 Read More..

With the expansion of operations at the Cullinan mine, across the so-called C-Cut footprint, the frequency with which larger stones are found has increased as demonstrated by the recovery of two +100 carats gem-quality stones during the first quarter. Read More..