CHOOSE YOUR COLOR Marquise Simulated Turquoise Ring .925 Sterling Vintage Sterling Silver Marquise Turquoise & Marcasite Ring Etsy Antique Victorian Turquoise Diamond Marquise Ring For Sale at 1stDibs Vintage Sterling Silver Marquise Turquoise & Marcasite Ring Etsy SOLID Sterling Silver Turquoise Ring, 16mm Marquise Rings, Blue Ring. Vintage jewelry that we carefully hand picked and selected for our store and for you! Each piece is unique, so some may have minor flaws, but were in love with each nonetheless. Hope the piece you choose makes you just as happy as it makes us. Materials: Sterling Silver, Turquoise