Black Star Sapphire

Natural black star sapphire gemstones 3.77 ct.  show a six-rayed star under incandescent bulb light or sunlight. They were mined in Chantaburi (Thailand). Their color is a dark brownish-black

Natural black star sapphire gemstones 2.13 ct.  show a six-rayed star under incandescent bulb light or sunlight. They were mined in Chantaburi (Thailand). Their color is a dark brownish-black

Natural black star sapphire gemstones 2.50 ct. show a six-rayed star under incandescent bulb light or sunlight. They were mined in Chantaburi (Thailand). Their color is a dark brownish-black

Natural black star sapphire gemstones 2.39 ct.show a six-rayed star under incandescent bulb light or sunlight. They were mined in Chantaburi (Thailand). Their color is a dark brownish-black

Natural black star sapphire gemstones 3.30ct  show a six-rayed star under incandescent bulb light or sunlight. They were mined in Chantaburi (Thailand). Their color is a dark brownish-black