Hidden behind Paris’ Place Vendôme is a secret spot specializing in loose, colored stones. With 30+ years of experiences, the gemologists are experts in colored stones and supply many of the famed jewelry maisons on Place Vendôme. 💍 You can purchase a stone and design a piece of jewelry around it, or vice versa. 💎 Some of the best colored stones investments include blue sapphires, rubies over three carats, tourmalines, and tanzanites. Unheated gems are valued higher than heated ones. ...