Vintage 18K Yellow Gold Natural Australian Opal And Diamond Ring

A spectacular natural opal gemstone with very fierce colors ignited from it:green-blue-violet. Reveals the full spectrum of the rainbow. Accented with diamonds measurement 2.00 mm each.

Measurement of Opal: 20.0 mm x 15.0 mm

Approximate Carat Weight of Diamond: 0.40 Carats (2.00 mm x 2.00 mm)

Weight of Ring: 10.8 grams

Size of Ring: 7 (Can be resized for additional fee)

Gold Purity: 18K Gold

Markings: “750”