The tanzanite ring is marked 14k and is solid white gold. It weighs 4.4 grams. Set at the top is a oval light purple natural tanzanite with an approx weight of 1.25 cts. It measures 7.3 x 5.3 mm. On the sides are 8 round brilliant cut and 8 baguette natural diamonds. The 16 total diamonds have an approx total weight of .28 cts. The ring wears to a size 9 and can be resized. The gold could could use a light polish.