It compares your diamond pricing to the default TradeScreen grid which is Rap Spec A1, A2 and A3.
Here's how to use this feature:
Fill out your price worksheet and choose to compare your calculations according to $/ct or discount from the Rapaport price list
Agree to include these column headers in your worksheet
Compare your price to the the best and average price listed on RapNet. The example below shows compared prices in both $/ct and discount from the Rapaport price list
Refer here for more information on Rap Specs.
Refer here for information on how to use TradeScreen.