Vintage Black Opal and Diamond Ring

A striking, mid 20th century, black opal and diamond ring. The fine oval cabochon black opal exhibiting blues and greens, is six-claw set and accented with three diamonds to each shoulder. Mounted in 18ct yellow gold. Circa 1960’s.

• Black opal: measures approx. 18mm x 14mm
• Ring size: N 1/2, can be resized
• Gross weight: 6.3 grams