Blue Sapphire 6.341 ct
This sapphire is blue in color and weighs 6 carats. The stone measures 1.2 cm in length, 1 cm in width, and 5.6 millimeters in depth.
A certificate for this stone was issued by Lotus Gemology. Lotus Gemology is based in Bangkok, the metropolis for colored gemstone trading. The laboratory is led by Richard Hughes, one of the most recognized specialists in corundum and author of the classic "Ruby & Sapphire." Lotus Gemology has classified this stone as "Royal Blue." The gemstone institute has its own color classifications for rubies and sapphires. "Royal Blue" is one of these color types according to Lotus Gemology.
This transparent sapphire shows medium inclusions and signs of a thermal treatment.
The 6-carat gemstone was cut into a faceted oval, with a brilliant-cut top and four facet crowns below.