platinum 1911-1940 platinum Art Deco diamond circular stud earring from Pragnell Vintage featuring G/H VS1 quality grade diamonds, screw-clasp fastening and circa 1911-1940. Two's company. These earrings come as a pair.. Please be mindful that this piece has led a previous life, and may tell its story through minor imperfection. Purchasing this item continues its narrative, so you can be confident that you’re making a POSITIVELY CONSCIOUS choice for the planet..