Circa 1920's, An Deco natural pyrope garnet and 14K yellow gold circle pin is very simple and sweet. This brooch is a classic piece of early-century jewelry history with the trendy circle pin to be worn as a sign of undying love, commitment, friendship, and sometimes to signify engagement. 34 rose-cut garnets glow in the sunlight and look fabulous on black fabric! 
It measures 1 1/4" x 3/4", garnet size approx. 2.5mm, weight 4.2 grams, C-lock, no assay mark, tested 14K