-40%
2pcs 4.5x9mm BLUE SAPPHIRE MARQUISE CUT LAB CREATED CORUNDUM (4*1.01 ct/pcs)
$ 5.5
- Description
- Size Guide
Description
4.5x9mm BLUE SAPPHIRE MARQUISE CUT LAB CREATED CORUNDUM (4*1.01 ct/pcs)BUY MORE ANDPAY SHIPPING FOR FIRST ONE ONLY !
COMBINED SHIPPING !!!
SHIPPING TO US, CANADA, AUSTRALIA: e-COMMERCE 5-15 BUSINESE DAYS (USPS, DHL-e)
SHIPPING TO US, CANADA, AUSTRALIA: EXSPRESS 3-8 BUSINESS DAYS
Wax
Casting: Yes,
Accepted
Hardness : 9.0 Mohs
Density : 3.98-4.1 g/cm3
Refractive Index :
1.767-1.772
Melting point: 2044 °C
Origin: Lab-grown Gemstone
Grade: Eye Clean
Note
:
Due to the difference in the type of monitors and other devices, the color in the photo may be different from the real one.
Product group:
Synthetic corundum is produced from pure alpha aluminum oxide, Al2O3 free from potash (corresponds to white sapphire, which is known as walderite) in an oxyhydrogen flame. Lab-created sapphires are made using corundum, just as the natural gemstone is. However, they are created in a laboratory and grown under carefully controlled conditions, simulating the high pressure and heat of the earth to replicate a natural sapphire. The heat used to create them comes from a machine. Lab-created sapphires do not scratch or chip more easily than the natural stones and are valued for their quality.
Product purpose:
Synthetic corundum
is one of the best imitation of natural colored gemstones, with a unique characteristics.
Gemological characteristics:
Color, luster, hardness, density are very close to natural stones.
Advantage:
The color is very even and stable at high temperatures, which gives it an advantage in comparison with many natural and synthetic stones.