Incredible Art Nouveau Green Chalcedony and Diamond Locket Pendant in 14k Yellow Gold

This incredible piece is such a rare find and it beautiful in form and detail.  The locket features a scarab carved in natural green chalcedony.  He measures approximately 10mm x 7mm.  Two tiny bezel set diamonds also accent the piece.  The garland and geometric detail are apropos and blend beautifully.  The locket is not stamped but has been X ray tested as 14k.  This piece is nearly pristine inside and out.  On the back of the locket there are the finest of dents that do not impact the beauty or wearability of the piece at all.  There is glass on the inside for holding a photo, this is a functional piece.  The locket measures 1 3/8" in length including the bail and it measures 1 1/8" across in width.  The locket weighs 8.55g.  The chain is not included.