Gem Diamonds Limited (LON:GEMD – Get Free Report)’s share price shot up 7.5% during trading on Friday . The stock traded as high as GBX 4.23 and last traded at GBX 3.60. Gem Diamonds Price PerformanceThe firm has a fifty day moving average price of GBX 3.63 and a two-hundred day moving average price of GBX 3.80. About Gem Diamonds(Get Free Report)Gem Diamonds is a leading global diamond producer of high value diamonds. See AlsoReceive News & Ratings for Gem Diamonds Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Gem Diamonds and related companies with MarketBeat.com's FREE daily email newsletter.