To get the pennywieght multiply the number of grams by 0.643. If there is gold with it, please see the price index for gold above. We will pay one price for the item, but will add the total from the gold and the diamond for the total. If there is gold with it, please see the price index for gold above. We will pay one price for the item, but will add the total from the gold and the diamond for the total.
Gold is bought by the pennyweight or dwt and Diamonds are bought by the pts.
To get the pennywieght multiply the number of grams by 0.643.