Retired David Yurman Diamond Cookie Earrings 18K/925 - DY Backs - April's Birthstone PRICE IS FIRM - NO TRADES - NO RETURNS It is becoming increasing difficult to find vintage DY items in very good to excellent condition. The earrings are in very good pre-owned condition with no loose or missing diamonds. The earrings are marked 750, 925, the copyright symbol and D.Y. The earrings are about 1/2 inches in diameter. The posts are 18K yellow gold and are marked DY and 750 (18K). The earring backs are DY and are marked STERLING. You will receive the earrings, DY backs, generic pouch and the box shown in the second photo.