Renani Jewels, a Meerut, India-based jeweler, has broken the world record for most diamonds set in a single ring, according to Guinness World Records. Its "Marigold" or "Ring of Prosperity"—named for the flower's significance as a symbol of prosperity in Indian culture—boasts a whopping 12,638 individual diamonds, coming in well ahead of the previous record-holding ring, which had 7,801 stones.The...