Vintage platinum lab created sapphire and genuine diamond ring size 6.75

This would be a gorgeous promise ring or gift! Gorgeous royal blue lab created sapphire: oval shaped, approx 1/2 carat + (does have a very slight chip on one side seen only under magnification) surrounded by natural diamonds approx .10-.15 carats each in a very sturdy platinum setting(marked inside the band). Weighs 5 grams. Ring size 6.75 Includes vintage ring box.