Natural corundum color change blue
sapphire
Unheated/ untreated
Weight- 19.52 crt
Colour- blue and purple
Incoterm- any / discuss with buyers wishes
Origin Sri Lanka
Price - 7500 USD per crt ( price can be negotiable)
Natural yellow sapphire
Unheated/ untreated
Weight- 10 crt
Price - 1400 USD per crt
Loupe clean stone
Certificate can be arranged
Intercom- any discuss with the buyers wish
Origin Sri Lanka
The emeralds we have are natural, untreated, Grade A
Each Emerald has an independent certificate.
The emeralds are in our Office in Coimbra-Portugal if you would like to schedule a visit.
As for luminous gemstone, it is man-made gemstone, which is made from quartz (ceramic) and photoluminescent pigment.
It can absorb light and glow in the dark for several hours.
based on afterglow color, there is mainly yellow-green and blue-green color.
we can provide diameter 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 20mm, 22mm. All above have a hole in the bead center.
more bigger diameter, such as 30mm, 40mm, 50mm can also be produced, but there is no hole in the center.
the price is different with various diameter .
As usual, we provide the product with single bead, you can make a string bracelet yourself.
If you want a bracelet directly, please inform us the diameter and how many beads you need in a string bracelet so that we can quote you.
Please check the attached file for some of the products specification at first.
if you have interest in such products, please inform us which diameter, what quantity and afterglow color you need so that we can quote you.