This Honker of a ring is marked 18k and is solid yellow gold. It weighs 9.8 grams. Set in the center is a large pear shape colorful natural opal with an approx weight of 8.50 cts. It measures 21 mm x 13. mm x 5.5 mm . It has no cracks or chips. Flairing off the sides of the opal are a total of 6 very red marquise shape natural rubies with an approx total weight of .84 cts. Last, set on the outer sides of the rubies are 8 round brilliant cut natural diamonds with an approx total weight of .40 cts. The diamonds are SI1 TO SI3 and H to I in color. The ring wears to a size 8.75 and can be resized.