Korona series jewelry is made of Finnish birch and they are made in Finland.
Stud earrings metal parts are silver.
 
Jewellery is made ecologically (zero waste) from circles that are inside each other. Korona round earrings are also made of these circles. 
 
The black circle earring of the Korona series was given the FORM#2018 design award in Frankfurt. Jewellery is designed by Elina Mäntylä.
Several of the Valona jewelry series are named after light and various light phenomena. The Korona series was designed and named already in 2018.
The round shape of the Korona jewelry is related to a beautiful optical phenomena called Corona. 
Measurements: Diameter of the wooden part 1.61 inch, weight under 0.07 ounce.
 
Colors: green, wood, black, red, blue