You can read more about the diamond company you reference by following the link, below.
As to a specific gem, you can take the gem to a certified gemologist to pay for more information about it.
Industrial raw diamonds are much less expensive that gem-quality raw diamonds. You can visit the site, below, and look for the raw diamond that you want to buy.
According to their Web site, below: "The Waldman Diamond Group is a vertically integrated international diamond company encompassing all aspects of the diamond industry, from rough sourcing through cutting, polishing, design, marketing and retail distribution."
Tough er is a site of what
It depends. Find you Pokemon on theis site for the best information: www.serebii.net
Rough endoplasmic reticulum is the site of protein for a cell.
information site
rough endoplasmic reticulum
Ribosomes
The rough ER is the site of protein synthesis as the ribosomes that stud it's surface put the growing polypeptide chain into the lumen of the rough ER. Also the rough ER is the site of some modifications to the protein before it goes to the Golgi body.
Geico is a great website to get a quote on car insurance. The site offers a free service where a consumer can provide all the needed information, and the site will in return give a rough quote of how much one needs to pay for the insurance.
A raw diamond can have as many as eight smooth surfaces, if its natural pyramid shape has grown two pyramids together at the base. Without endorsement, you can learn more from the images you find on this site: blog.brianthecutter.com/2009/03/06/brian-gavin-views-rough-diamond-material-in-antwerp-belgium%E2%80%A6/
The rough ER is the site for protein synthesis within the cell. It receives "information" or mRNA from the nucleus of the cell that holds the code for the exact type of protein that needs to be created. It is known as the rough ER because it contains ribosomes on it's walls; the ribosomes are what synthesize the creation of proteins.