One ladies very rare Victorian period swivel Old mine cut diamond Pin/Brooch from the 1800s. Pin and lock closure in excellent condition with very little noticeable wear. The pin features extremely detailed swirl engraving. It is set with one old mine cut diamond weighing approximately 0.15cts featuring a color of I and a clarity of I1. All solid 14k yellow gold, the pin measures 22.39mm in diameter and weighs 3.79 grams. Appraisal value is $1800. All information is 100% accurate from a GIA graduate.