4.57ct Blue-Green Colour Octagon Cut Sapphire Certified Unheated 9.9x7.8mm Swiss Style Demagnetiser an 80-LED dimmable ring light

an 80-LED dimmable ring light and a 3-megapixel high-resolution USB2

Overall size: 125 x 60 x 25mm

Square timing key for all co-axial Omega movements

Item Weight: 58g / 2

Brand Name: Meterk

4.57ct Blue-Green Colour Octagon Cut Sapphire Certified Unheated 9.9x7.8mm Swiss Style Demagnetiser an 80-LED dimmable ring lightThis unheated sapphire is accompanied by a certificate from GIA. Sapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of