[Item 12564630] Black Sapphire 5.833ct Loose Stone

Sapphire is a famous gemstone that needs no introduction. Its mineral is corundum, the same as ruby, but all corundum that is not red is called sapphire. This is a classic blue sapphire. With a hardness of 9, second only to diamond, sapphire is a highly durable and stable gemstone that is easy to care for. This is a black sapphire. It appears green when light is shined on it. An identification report is included.

・Type: Loose stone (natural)
・Stone name: Black sapphire
・Weight: 5.833ct
・Size: 11.9 x 10.0 mm
・Shape: Oval cut
・Scratches/Chips: S
・Inclusions: A+
・Notes: This stone has been heated.
　*Generally, sapphires are stones that have been treated with heat.
・Accessories: Identification report (JTL (Jewel Trading Laboratory)), loose stone case (or a clear zip bag if it does not fit)

※ We strive to ensure that the colors in our photos match the actual products as closely as possible, but colors may appear slightly different depending on the lighting conditions during photography or your monitor settings. Some photos may also be taken using a penlight.

※ For products featuring UV fluorescence photos, the images are taken using a 365nm wavelength black light. If you use a light with a different wavelength (e.g., around 395nm), the fluorescence may appear weaker or be difficult to confirm. The black light used in our shop can be found here.

※ Please see here for information on scratches, chips, treatments, and inclusions.

※ For other frequently asked questions, please see here.


karatz_item_id: 12564630