Vintage Aquamarine 14K Gold Single Stud Earring Princess Cut Solid Yellow Gold

Vintage aquamarine 14K gold single stud earring. Acquired from a private estate collection, this solitaire stud features a square princess cut genuine aquamarine gemstone with a vibrant blue color prong set in solid yellow gold. Pierced stud post with butterfly ear back. Signed ZZ 585 for gold fineness on post. 5 mm diameter. Excellent pre-owned condition. *Please note, this is a single stud earring, not a pair.