The item is a 14k yellow gold Tanzanite and inlaid opal pendant. The pendant consists of one natural oval tanzanite that measures approximately 7x4 millimeters. There are three inlaid opals that are set in the bail above the tanzanite. The pendant weighs 2.9 grams. The pendant measures 23x9 millimeters. A chain up to 4 millimeters wide can fit with the pendant. The average women's chain is about 1.5 millimeters wide. If you would like us to supply a chain let me know the style, width and length of the chain you would like. If you are ordering outside of the United States please check with your local post office to see if you will have to pay customs fees.