BEAUTIFUL RING, THE BACK IS SLIGHTLY OUT OF ROUND. PART OF A HUGE VINTAGE & ANTIQUE JEWELRY COLLECTION. ALL WONDERFUL, HIGHEST QUALITY. FROM MY MOST RECENT ESTATE FINDS! FOLLOW ME TO SEE THEM ALL! DETERMINE SIZE FROM RULED BOARD, THEY ARE 1 INCH SQUARES. PLEASE DON’T BE AFRAID TO SEND AN OFFER!