Vintage Sapphire & Diamond Cocktail Ring fall/winter 2015 heirloom collection 9/16 inch with engine turned

9/16 inch with engine turned engraving

in a four prong setting

Circa last half 20th century

set with the FB 1605 NATO Survival Button Compass

Vintage Sapphire & Diamond Cocktail Ring fall/winter 2015 heirloom collection 9/16 inch with engine turnedCentering a prong set, oval sapphire cabochon measuring approx. 12. 72 x 9. 67 x 5. 16mm, weighing approx. 6. 85ct; framed by twelve, straight Baguette cut diamonds measuring approx. 3. 25 x 1. 65 x 1. 25mm on average; with a combined approx. weight of 0. 73ctw; and thirty six Round Single cut diamonds measuring approx. 1. 20 1. 80 mm, with a combined approx weight of 0. 72ctw. Additionally flanked by six graduating round faceted sapphires ranging in