A diamond and black onyx ring, the cut cornered rectangular black onyx panel collet set with a cushion shaped diamond to the centre, in an Art Deco de
	
	
	
		
			| Estimate: | 
			
				£300 - £400
			 | 
		
		
			| 
					Hammer price:
			 | 
			£260 | 
		
		
					
	
 
	
		Bidding ended. Lot has been sold.
		
	
			
				
				
					A diamond and black onyx ring, the cut cornered rectangular black onyx panel collet set with a cushion shaped diamond to the centre, in an Art Deco design, circa 1930, ring size S, with a case.