How to say replica as opposed to fake
replica = 仿制品. 
 fake = 赝品

赝品 used to refer to replica that is very hard to identify whether it is authentic or not. As the language evolved, it refers to those with low qualities. 

So in Chinese, there is no direct mapping. Usually, you can add other adjectives to express the subtle meaning, like hello_harry suggested, 高仿, which is equal to 高级仿制品. 

赝品 also limited to those replica that trying to make the same as original and sell for profit. While 仿制品 don't have good or bad in the purpose, for example, 仿制品 can be made for museum, it can also be a different size. 

In your case, it seems you want to buy a  高级赝品 of furniture.