10k Yellow Gold Triple Graduated Oval Blue Sapphire and Diamond Accent Ring. It is a Size 6 1/2 and weighs 2.5 Grams. The oval natural blue sapphires measure about 4.5mm by 3.1mm and 6.65mm by 3.8mm. The total weight of the blue sapphires is about 1 ct. They are medium blue in color. The ring has 4 round diamonds set at the top and bottom of the sapphire. They have a total diamond weight of .04 cts. The diamonds are I3 in clarity and I to J in color. The ring is hallmarked 10k inside the ring.