This ring is marked 18k and is solid yellow gold. It weighs 6.3 grams and measures 8.5 mm from North to South. Set flush at the top are 8 oval nice green natural emeralds with an approx total weight of 2.00 cts. Also set across the top are 5 round brilliant cut natural diamonds with an approx total weight of .12 cts. The diamonds SI2 TO SI3 and I color. It wears to a size 6.25 and can be resized .