9.36 ct Natural Rubellite Tourmaline oval cut loose gemstone

GIA Certified 5.63 ct Natural Alexandrite Cat’s Eye very rare gemstone

1.80 ct Natural Paraiba Tourmaline green blue pear cut gemstone

1.35 ct Natural Paraiba Tourmaline bluish green oval cut gemstone

2.87 ct Unheated Natural Ruby Red 8.8 x 7.5 x 4.7 mm cushion cut Gemstone

2.48 ct Unheated Natural Ruby Red 9.7 x 5 x 4 Emerald shape Gemstone

2.9 ct Natural Paraiba Tourmaline deep bluish green oval gemstone for jewelry

6.70 ct Natural Paraiba Tourmaline pair oval gemstone for jewelry

Natural Paraiba tourmaline 12.5 ct, 14 Pcs gemstone lot for jewelry making

Natural Paraiba Tourmaline 9.71 ct, 6 Pcs gemstone lot for jewelry making