To Whom It May Concern,We are a company from United States of America. We are interested in your Rough Diamond, so we contact you through Alibaba.We kindly ask you to send us the informations about the product of the followingraw diamonds avaliable between 8 and 13 carrots.Are any of them treated?How long does it take to manufacture once an order has been placed?We would be grateful if you would contact us with the answers to the above questions.With Best RegardsMatthewLammarell Show More