BLACK
Black diamonds have increased in popularity recently, the black is enhanced by irradiation. The most popular black gemstone is tourmaline, while black spinel is a great substitution. Black star sapphires are also in demand, found in only in Chanthaburi, Thailand.
• Diamond
• Onyx
• Agate
• Sapphire
• Star Sapphire
• Spinel
![Black Tourmaline, Onyx, Silver Necklace](http://cdn.shopify.com/s/files/1/0168/6364/products/il_fullxfull.315442307_large.jpeg?150)