A dazzling 5.64-carat pear-cut diamond and platinum ring; a beautiful Cartier coral, pearl and 18k gold necklace; and a 26 total carat weight diamond and platinum Riviera necklace are just a few of the expected top lots in Ahlers & Ogletree's two-day Jewelry & Gifting auction scheduled for December 1st and 2nd, online and live in the Atlanta gallery, starting at 10 am Eastern time both days.