Sterling Silver Meditation Ring with Choice of Stone Spring Meadow Meditation Jewellery by charlotte Sterling Silver Meditation Ring with Choice of Stone Spring Meadow Meditation Rings Etsy. 925 silver spinner half round ring. Width 11 millimeters. Band size 66mm circumference or US size 11. 5 Made & Designed in France by Guiot de Bourg The prestigious brand Guiot de Bourg was founded in 1905 in Paris. Today, their sterling silver jewelry made in France is still manufactured in their workshop in the heart of the Marais. Since 1965, the company has been woman owned: first with the original goldsmith's daughter, and then in 2004 long time employee Chantal Mathieu took over.