"Antique Ring Set With An Emerald And Rose Cut Diamonds."
Antique ring, circa 1900, set with an emerald doublet in a surround of rose-cut diamonds. Mounted in 18-carat white and yellow gold. Ring head size: 1 cm x 1.2 cm. Finger size: 50 (FR), 5.1/3 (US) Free customization, contact me. French hallmark: Eagle's Head. Weight: 2.7 grams. Delivered in a case and with an invoice. Free and insured shipping. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato