Mate I am about to hit off on a round of golf, I cant be bothered with your crap!
No corundum to be auctioned! Full stop ... Corundum are not gem-quality rubies, they are for industrial use only. We will sell a good range incl lower-quality rubies that are GEM-quality.
Four!!!
ps ... you do realize that corundum as a classification is WHITE dont you! Red-corundum is ruby.