Elegant Onyx and Dark Blue Fire Opal Inlay Earrings Jewelry by Native American Navajo Silversmith Cathy Webster NAER-092039. The stone and setting measures approximately 7/8 inch in length and 7/16 inch at widest point with an overall drop (or length) of approximately 1 3/8 inches from top of earwire.
Fire Opal is a common term for lab created Opal used in Native American Jewelry and perfect for inlay work because of its incredible durability.
Below are the approximate measurements