Emerald auction by Gemfields just concluded last week in Jo'burg. The top lot in the auction was an exceptionally rare and magnificent 720 carat emerald crystal which has set a new Gemfields record for value per carat. It is one the largest fine quality crystal ever to be appeared at the Kagem mine. %% The crystal was acquired by renowned father-and-son dealers Raj Kumar and Rishabh Tongya of Precious Jewels Corpn, Jaipur, who have since named it {{"The Divine Green of Zambia”}} in reference to Rishabh's fiance's name Divya Modi.%% The Gemfields auction fetched more than US$15 Million in 19 lots, as reported.