Antique French Onyx Rose Cut Diamond Ring 18k Opal it will likely fit around

it will likely fit around half a size smaller

66 carat Garnet center stone

The stone is a rich chocolate brown color that never looks black

25mm in the back

Antique French Onyx Rose Cut Diamond Ring 18k Opal it will likely fit aroundAntique onyx and diamond conversion ring that used to be a stick pin hat pin. The rose cut diamond is closed back and the chunky facets reflect the light beautifully. The band has the eagle hallmark which signifies 18k gold in France. The onyx is in very good antique condition with only a nick to the stone along the side which is barely noticeable in person since its on the side. Size: 6. 5 and sizable Metal: 18k yellow gold Measurements: Face of ring