Estate 14K Australian Opal Diamond Halo Cocktail Ring Art_Nouveau but it doesn't seem to

but it doesn't seem to affect the overall look of the piece

and the moonstone is believed to be genuine

The stone remains secure in its setting with minimal wear

Overall this piece is in good antique condition with age-appropriate wear and discoloration

Back of the brooches are yellow gold and have a hinged safety pin and c-clasp marked 14K

Estate 14K Australian Opal Diamond Halo Cocktail Ring Art_Nouveau but it doesn't seem toAn astounding estate 14K opal diamond halo cocktail ring. Features a huge oval white opal cabochon, 18kt two tone gold opal and diamond halo ring. Featuring an oval shape cabochon opal center stone, estimated at 14 carat, measuring approximately 23. 5mm x 16. 22mm x 7. 8mm, set in a yellow gold prongs. The center stone is surrounded by 24 brilliant cut diamonds, estimated at . 95 TCW, set in shared prongs in an oval halo. The setting is further