The Hottest Gems in Jewelry Aren’t Diamonds, Rubies, or Emeralds
The annual Argyle Pink Diamonds Tender is arranged for a photograph in Australia. (Photographer: Carla Gottgens/Bloomberg)

The Hottest Gems in Jewelry Aren’t Diamonds, Rubies, or Emeralds

(Bloomberg Businessweek) -- Forget diamonds, emeralds, and rubies. Today’s discerning collectors are looking for jewelry that emphasizes rare, striking, and sometimes almost-impossible-to-find ston...
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