Fine art, diamond rings topping Gray’s Auctioneers’ sale Aug. 8CLEVELAND – A pair of dazzling, GIA-certified diamond rings and oil paintings by Charles Sprague Pearce (American/French, 1851-1914) and Balthazar Paul Ommeganck (Flemish, 1755-1826) are just a few of the expected top lots at Gray’s Auctioneers’ Sizzling Summer Auction scheduled for Wednesday, Aug. 8. Absentee and Internet live bidding is available through LiveAuctioneers.