Green Buddha

Thank you for contacting Mearto. This is a statue of Buddha in lotus position. From your photographs, it appears to be made of a malachite glass. It was probably made in the 20th century. There are similar sculptures that have sold at auction and I have included some links below.
Based on sales of similar items at auction, the Fair Market Value of this piece is between $100 and $300.

$80
https://www.liveauctioneers.com/item/80830509_bohemian-czech-art-deco-ingrid-glass-malachite-buddha

$160
https://www.liveauctioneers.com/item/23917510_vintage-malachite-glass-buddha

$250
https://www.liveauctioneers.com/item/867677_111-malachite-carved-buddha-figurine

$300
https://www.liveauctioneers.com/item/9531052_1170-opalescent-malachite-glass-buddha

$300
https://www.liveauctioneers.com/item/13766008_115-buddha-in-malachite-glass-in-the-lotus-position-s