Beautiful Art Deco ring with green tourmaline in cabochon cut Made of silver, hallmarked with 830 Ring size c. 18,5mm The ring's head measures about 16mm/13mm The stone measures about 10,5mm/7,5mm Weight c. 3,84g In very good pre-owned condition, some patina, normal signs of wear-please, see scan The tourmaline has been tested with gemstone tester PGTII-please, see the last photo Gemstones are commonly treated to enhance colour or clarity. This has not been researched for this specific item The accuracy of the displayed colours depends on the hardware and software. Colours may differ slightly from the original product Shipping with DHL(tracked & insured)