This wonderful ring has been tested to be 18k  yellow gold at the bottom and a platinum top. It weighs 4.9 grams. The top measures 1 1/4" from North to South. Set in the center is a old European cut natural diamond with an approx weight of .33 cts. There are 26 round full cut side diamonds  with an approx total weight of .39 cts. Set on each side of the center diamond is a round green natural tsavorite garnet . The two side stones have an approx total weight of .10 cts. The ring wears to a size 7 and can be resized.