Ladies Art Deco diamond & black onyx ring in 12k (tested) white gold.Circa 1920-1930.The top of the ring is oval measuring 23x16mm. Pave' set in the center are (16) 2.7mm old European cut diamonds weight approx. 2.00 carats,SI clarity & H-I-J in color. Surrounding the center diamonds is a 3.5mm wide black onyx border with a scroll openwork
undergallery.This ring is easily sized.