Designer Antique 10k Yellow Gold Rectangular Opal Victorian Ornate Ring Sz 6.5

A large, 11mm x 8mm rectangular-shaped cabochon bezel set opal with visible iridescence, displaying a beautiful play of colors. It is 10k gold marked and has a makers mark. It has wonderful filigree framing the opal. The opal displays blue, green, yellow, red and orange. The shoulders of the ring's band feature intricate filigree detailing, characteristic of styles like Edwardian or Victorian jewelry. It is size 6.5 3.13 grams Gently used and needs polishing