Kaustubha gem—a jewel worn by Lord Viṣṇu, or Kṛṣṇa, on His chest.Prabhupada ›Glossary›-K-›Kaustubha gem-a jewel worn by Kaustubha gem-a jewel worn by Lord Visnu, or Krsna, on His chest. Link to this page: https://prabhupadabooks.com/glossary/k/kaustubha-gem-a-jewel-worn-by-lord-visnu-or-krsna-on-his-che Previous: Kauravas-the descendants of King Kuru who fought against the Pandavas in the Battle of Kuruksetra. Next: Kavaci-one of the one hundred sons of Dhrtarastra. He was killed by Bhima. (Karna Parva in Mahabharata)