This is a red spinel from Sri Lanka.

The value of spinel, which is more popular than ruby ​​overseas, is increasing year by year, especially this year, the price of spinel has tripled from the past.
Spinel has a wide variety of brilliance and colors, and when exposed to UV light, it emits strong fluorescence like a bright red sun.

Although there are inclusions visible to the naked eye, they do not affect the appearance of fluorescence .

◉ We try to make the colors of the posted photos as close as possible to the actual colors, but due to differences in your environment (monitor, browser, etc.), the appearance of the colors may differ slightly from the actual ones. Thank you for your understanding.