This is a highly detailed Masonic ring. Material - 10k solid gold with a solid smooth back Top Dimensions - approximately 18 x 16 mm. Contact me through conversations or provide information in the notes to seller section during checkout if your would like to have the black background. I use lost wax casting process. Current processing time to make and finish this ring is about 3 weeks You can see some more examples of my finished jobs on Facebook and Instagram https://www.facebook.com/3DHeraldry https://www.instagram.com/3dheraldry/ If you have any questions please feel free to contact me. We try our best to source all materials and stones from reliable and trusted sources that conduct ethical practices. Free ring size gauge for orders above $250.00 USD for US residents only. Choose a ring size in the drop down menu that you think is close and message me through conversations or leave a note through checkout that you would like a ring size gauge sent to you and I will mail you one. Contact me for questions.