this type of mounting is called a Belcher setting

We've chosen a bold stone for this simple setting

this can be set against a solitaire gemstone ring of any color to create a wonderful frame for a simple ring

Size 27 mm across

Measures: 17 x 12 mm

Mid Century Amethyst Cocktail Ring Multi colored this type of mounting isModernist. Bold. Classic. This ring could have graced the hand of a New York fashionista partying alongside Warhol, back in the day. We've set a new, incredibly deep colored, fine amethyst from Zambia in its swirling golden cage. Metal: 14K Yellow Gold Gem: Amethyst 17. 73 Carats Gem Measurements: 19. 4 mm, Round Ring Size: 5. 50 Marks: "14K" Stamped on the inside band