The pricey jewelry was raffled off by Sharon Osbourne and her rocker husband during a New Year's Eve party at which the couple renewed their wedding vows. The party was filmed as part of the hit MTV reality series "The Osbournes," which stars the Osbourne family. [MTV and CBS are both owned by Viacom.]
The winner was Renee Tab of the powerful Hollywood talent agency ICM. But within days, the Osbournes reported that Tab had wrongly claimed the necklace. Sharon Osbourne said the agent wasn't an invited guest.
Police Lt. Gary Gilmond confirmed Wednesday that the Osbournes have filed a theft report.
"Sharon is disappointed that the situation has not been resolved," a spokeswoman for the couple told the syndicated TV show "Celebrity Justice."
ICM said Tab won the necklace fair and square.
"Accordingly, ICM believes the Osbournes owe both Ms. Tab and ICM an apology," the agency said.