8mm Diamond Cut Synthetic Opal Price is for one opal diamond. These opals do not hold heat as long as a ruby or sapphire pearl but provide a beautiful array of colors! Increased Surface Area Great Heat Retention Do NOT use rubbing alcohol or any cleaning solution while your gemstone is hot, It can cause thermal shock and crack it. Use a dry cotton swab and heat to clean. Do Not apply a direct flame to your gemstone or it will cause thermal shock. Slowly heat and cool inside your banger. We are not responsible for gemstones cracking due to not following cleaning procedures.
