Vintage Natural Sapphire 18k Gold Signet Ring

A faceted inky blue sapphire flickers moodily within this chunky vintage 18k gold signet ring. 

-Size 6 and somewhat resizable (please inquire) 

-Hallmarked 750 (18k) and tests as 18k 

-6g

-1.66ct natural sapphire 

-Face measures 8.4 x 13.3mm 

-Rises 4.8mm from finger 

-Sapphire measures 5.3 x 8.5mm 

-Back of band is 3.1mm wide