Has GIA appraisal. 4.37ct Paraiba blue Tourmaline w .75ctw diamond accents. Oval cut 4-prong set center w VVS, medium dark transparent color, Origin: Paraiba, Sao Jose da Batalha Northeastern Brazil. Twenty prong set round brilliant cut diamonds. VVS-2 to VS-2 clarity, E-G color. Appraised at retail replacement value of $31,000.00.