3.55 ct Natural Ceylon Yellow Sapphire Unheated oval cut loose gemstone from Sri

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

1.35 ct Natural Paraiba Tourmaline bluish green oval cut gemstone

1.80 ct Natural Paraiba Tourmaline green blue pear cut gemstone

Certified 5.37 carat Natural Blue Sapphire oval cut for ring buy online

107 Ct Natural Smoky Topaz from Brazil