Men's / Unisex Antique Art Nouveau 9Ct Gold Signet Ring With Opal

We have on sale this unisex antique Art Nouveau 9 carat yellow gold signet ring set with white opal. The ring has ornate open cast shoulders. The ring is unmarked but has been tested for 9 carat gold.
The front of the ring measures approx. 17mm or 10/16'' at the widest part. The stone measures 13mm or 1/2'' in diameter. The ring sits 8.3mm or 3/8'' above the finger.
The weight of the ring is 9.4grams.
The UK size is X and US size is 11 5/8. The box and the coin shown are just for photos.
Condition : the ring is in good used condition.

Ref.number: 12/84