Tony White oval turquoise and gold clip earrings

A pair of oval turquoise and gold clip earrings -  a large oval cabachon of Persian turqoise bezel set in a stepped 18k yellow gold mount with a clip back - can be modified to a French lock for pierced ears - marked for Tony White of Sydney - total weight 19.1 grms - overall dimensions 22 x 18mm - c.2000 Australia