OOAK Sterling diamond necklace

A stunning faceted slice of black tourmalated quartz, bezel set in solid sterling with a halo of fine white full cut genuine diamonds aprox .50pt tw suspended from black and grey tourmaline beads and triple A quality white faceted topaz 16" and 17" I used to work in Chicago's diamond/jewelry exchange and the woman who owned the gem lab in the Mallers Building thought the center was a diamond slice! Truly unique!