8 of the most expensive jewels hitting the auction block at Christie's, from a $5 million diamond necklace to 53-carat sapphire ring

8:30am PDT - July 29th, 2020    bucks - Business Insider

• Christie's "Magnificent Jewels" auction, where diamonds from brands like Bulgari and Cartier are expected to sell for millions, is launching today, July 29.
• The auction house is also hosting its "Jewels Online" sale, which is set to last fro…