The prices per carat for 4 carat diamonds range from 7 920 to 105 270 per carat.
													
																	Four carat diamond ring price. 
									
	
		
	
																	And if you ll look closely the 4 carats has a better cut and clarity as well. 
																	This has something to do with the unpopularity of the size. 
																	4 carat diamonds are highly valued4 carat diamonds weigh 800 milligrams. 
																	The price of a diamond directly increases with carat weight. 
															
													
									
	
		
	
																	The most expensive one at 71 890 is not even close to the priciest gem in the 3 carat mark. 
																	Price of 2 carat diamonds the price of a 2 carat diamond ranges from 6 500 to 55 000 depending on the diamond s cut quality clarity color and shape. 
																	Therefore prices increase with demand. 
																	And here s the price range for 4 carat diamonds. 
															
													
									
	
		
	
																	A 0 25 carat quarter of a carat diamond with the same color and clarity grades as above costs around 1 600 per carat making the price of the diamond approximately 425. 
																	Just like with a 4 carat diamond factors like cut quality clarity shape and color all affect a diamond s value and selling price. 
																	A round brilliant cut has an average diameter of 10 2mm. 
																	Here s the most expensive 3 carat diamond in james allen. 
															
													
									
	
		
	
																	It is a similar case for 0 75 and 1 carat diamond. 
																	T w and diamond 1 4 ct. 
																	Diamonds larger than 2 carats become increasingly rare. 
																	Theoretically a 0 5 carat diamond will cost double what a 0 4 carat diamond costs.