Certified Round Ruby Gemstone

I Went To One Of Those Storage Locker Auctions And The Locker I Bought Had Some Wooden Boxes That Were Full Of Gemstones With Certification Cards! It Was The Only Auction I've Ever Been To, Now I Feel Like I Should Play The Lottery But I'm Afraid To Spoil My Luck! All My Gems Are Posted At Less Than Wholesale Prices Because This Isn't What I Do For A Living, I'm A Graphic Designer And I Have Had Them Forever (Since 2014!) I Realized That I Will Never Get Around To Selling Them. They've Been In A Locked Closet For Years. I Know Minerals Pretty Well But I'm Not As Educated In Gems So I Don't Want To Charge A Lot When I Don't Know How To Judge Value. I've Had A Lot Of These Tested, The Ones T