Estate 14K Australian Opal Diamond Halo Cocktail Ring Art_Nouveau The necklace is just over

The necklace is just over 15" long and drapes beautifully along the dcolletage

The old-mine cut diamond is approximately

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

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

There are 10 diamonds total

Estate 14K Australian Opal Diamond Halo Cocktail Ring Art_Nouveau The necklace is just overAn 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