The vintage ring is marked 950 for 95% platinum and weighs 5.4 grams. Set in the center is a 5.5 mm European cut NATURAL DIAMOND that has an approx weight of .55 cts. It is VS 2 and H color. The center diamond is surrounded by a halo of 12 round full cut natural diamonds with an approx total weight of .36 cts. They range from VS2 TO SI2 AND H to I. Last, there is a tapered baguette natural diamond on each side . They have an approx total weight of .30 cts. They are VS quality diamonds. The ring wears to a size 4 1/4 and can easily be resized up 3 to 4 full sizes.