<a href="https://vowsmith.org/san-diego/jagi-jewelry-appraisal-and-gemological-institute/" title="JAGi: Jewelry Appraisal and Gemological Institute — Custom engagement rings in San Diego"><img src="https://vowsmith.org/san-diego/jagi-jewelry-appraisal-and-gemological-institute/badge.svg" alt="JAGi: Jewelry Appraisal and Gemological Institute — Custom engagement rings in San Diego" width="300" height="84"></a>

Paste it into your website — most site builders (Wix, Squarespace, WordPress) have an "embed code" or "custom HTML" block. The footer is a good spot.