Try this....
http://www.stuller.com/public/diamonds.aspx?step=meleeresults&class=meleediamond&category=%25&type=Genuine&variety=Diamond&color=BLUE&shape=Round&quality=SI&cut=%25&uniqueness=Color+Enhanced&sizect=5.00&markupcode=1&sizecode=sizecode&match=False&colormin=D&colormax=Z&claritymin=1&claritymax=11&weightrange=0%2c100&caratprice=0%2c1000000&totalprice=0%2c1000000&certification=%25&make=%25&serialnumber=0&pricerange=0%2c1000000
Nice find, Bert!
I had never heard of “blue diamonds” other than the Hope diamond, and those Stuller diamonds are beautiful!