Intaglio is a technique which dates back to antiquity and is still in use at present. Designs or images are carved or engraved in gemstones leaving a hollow impression in the untouched background. This style of carving is the opposite of the cameo technique. 

• 10 karat rose gold 
• Sardonyx Chalcedony Intaglio
• 1.25" length (including bail) x 0.98" width
• Can hold a circular photo, 0.77"
• Circa 1900
• Condition: Good, oxidization of the metal