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 hollow design. It is set with one old mine cut diamond weighing approximately 0.25cts featuring a color of H and a clarity of VS1. All solid 14k yellow gold, the pin measures 1 inch in diameter and weighs 4.55 grams. Appraisal value is $1800. All information is 100% accurate from a GIA graduate.