This wonderful Estate find features a rare 15K gold setting showcasing a large pale blue aquamarine precious gem. The stone measures 7 x 10mm and is a lovely pale blue shade. It is set into a simple bar pin design. The setting is hallmarked 15 and tests at least 14K gold. The stone is prong-set and eye clean. Open C-clasp. Measures about 2 inches long and 1/3 inch wide at the stone. Excellent antique! Mint condition.