I need my diamond to look better !!

Bought it on eBay..it was inexpensive... Look what I got!!! Milky and cloudy looking diamond!!! Time passed and can no longer return to seller!!! What should I do? Help? When eBay seller says NO... Leshem says YES !!!! Send it over, will color it to blue or green and make it look GOOD !!!

www.leshem.com