|  | 
								
									
    
		Rio Tinto announces new diamond tender; mining partner on verge of collapseImage Gallery (2 Images)
					
						 
 
	
							The Diavik Helios, a 74.48-carat fancy yellow diamond mined in Canada, is Lot 1 in Rio Tinto's new Specials Tender of large diamonds. Image credit: Rio Tinto
						
 
					
						 
 
	
							Patrick Coppens, general manager sales and marketing, Rio Tinto diamonds
						
 
 |  | 
	
		
			Search for Gemstones - Fossils 
				
				
			 
								 |  |