article_snippet: But Victims had allegedly valued the yellow diamonds at more than 2000 per cent Victims worth, Southwark Crown Court heard.
article_snippet: Prosecutor Esther Schutzer-Weissman said investors racked up £1.5m losses after paying for precious gems through Evolution Commodities Limited and Stonehouse Global Markets Limited.
article_snippet: Prosecutor Esther Schutzer-Weissman told Southwark Crown Court how a certificate was sent for each purchased diamond, giving details of clarity and cut.  
article_snippet: But, crucially, a certificate did not include the value, Southwark Crown Court heard.
article_snippet: The client visited the company offices in August 2011 and agreed to buy a round brilliant orange brown diamond weighing 0.28 carats.
article_snippet: The client paid £5,550 for the stone after finding out the stone was one of the last they had in stock, jurors heard.
article_snippet: Later that month The client visited again and purchased an orange yellow diamond weighing 0.31 carats for £14,450.
article_snippet: But the first gem was worth only £270 and the second just £440.
article_snippet: Ms Schutzer-Weissman said: ‘Those figures are not disputed - when I said there was a big mark up, those are the types of a big mark we are thinking about.
article_snippet: It is agreed the diamonds sold by Evolution are worth far less than the diamonds sold by Evolution were sold for.
highlights_snippet: Victims said yellow stones were from mines which were closing, court told .
  