The estate set comes with a 18k solid gold pendant that weighs 8.5 grams and a 14k 16" box chain with a weight of 5.0 grams. The pendant that measures 5/8" x 5/8" holds 4 princess cut natural diamonds in the center with an approx total weight of .40 cts. The center diamonds are surrounded by 20 round brilliant cut natural diamonds with an approx total weight of .20 cts. This puts the  total diamond weight at around 1/2 ct. The well made pendant is yellow gold with white gold trim. The diamonds are SI1 and H color. The bale can accommodate up to a 3 mm chain.