HEIDI FLEISS: ‘DIAMONDS ARE A GIRL’S BEST FRIEND’

Now that “Robbery Homicide Division” TV cop Tom Sizemore is facing up to four years in jail for physically abusing ex-galpal Heidi Fleiss, the ex-Hollywood Madam tells us she’s dumping a $30,000 diamond ring he gave her on eBay – at a cut-rate 25 G’s!

Advice to high bidder: INSIST on a freebie! (A freebie sex tip, that is . . . she dishes them daily on her San Diego radio show, “Sex Advice with Heidi Fleiss!”)