31 mars 2014
A group of tourmaline, diamond and colored sapphire "étoile de mer" brooches, by René Boivin
A group of tourmaline, diamond and colored sapphire "étoile de mer" brooches, by René Boivin. Photo Christie's Image Ltd 2014 Comprising five brooches, each brooch enhanced with pink cabochon tourmalines, to the circular-cut diamond, sapphire, purple,...