Georg Jensen Pendant Necklace No. 171 with Green Agate. This pendant necklace was designed by Georg Jensen. The pendant necklace is in sterling silver and with cabachon green agate. The pendant measures 2 inches long and 1.375 inches wide. The pendant chain is 30 inches long and is fixed with a toggle clasp. The pendant bears impressed company marks for Georg Jensen, Denmark, 925S. This pendant necklace is in excellent condition.