Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 41
Sanskrit:
विद्युत्क्षिपन्मकरकुण्डलमण्डनार्ह-गण्डस्थलोन्नसमुखं मणिमत्किरीटम् ।दोर्दण्डषण्डविवरे हरता परार्ध्य-हारेण कन्धरगतेन च कौस्तुभेन ॥ ४१ ॥
ITRANS:
vidyut-kṣipan-makara-kuṇḍala-maṇḍanārha-gaṇḍa-sthalonnasa-mukhaṁ maṇimat-kirīṭamdor-daṇḍa-ṣaṇḍa-vivare haratā parārdhya-hāreṇa kandhara-gatena ca kaustubhena
Translation:
His countenance was distinguished by cheeks that enhanced the beauty of His alligator-shaped pendants, which outshone lightning. His nose was prominent, and His head was covered with a gem-studded crown. A charming necklace hung between His stout arms, and His neck was adorned with the gem known by the name Kaustubha.