The gold frame encircling the banded agate on this vintage necklace tests as 10 karat gold and the chain is stamped 10K. The simplicity of the setting on the pendant complements the beauty of the stone and its wonderful translucence, brown earth tones and white accents. The banded agate is open at the back and the stone is polished on both sides with a lovely smooth sheen. The pendant is 1.4375 inches long and .8125 inches across and the chain measures about 18 inches long. The chain is sturdy and weighs 2.1 grams on its own and 7.4 grams with the pendant. Both pieces are in excellent condition.