Solange Knowles Loses Wedding Ring During Mardi Gras Parade

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0205-solange-tmz-01Solange Knowles is a couple huge diamonds short after a bead-throwing mishap in New Orleans Thursday night.

Knowles' wedding ring fell off her finger somewhere along St. Charles Avenue -- this according to a Facebook post from parade officials. Solange was riding a float in the Krewe of Muses parade when the ring went missing.

Law enforcement sources tell TMZ Solange has yet to file a report.

0205-sub-solange-getty-02Krewe of Muses is offering an unspecified reward for the rock.

Solange and Alan Ferguson got married in November 2014.