2.84ct Cushion Cut Sapphire 8.3x7mm Stone Setting Assistant Ø27 x 26mm

Ø27 x 26mm

with colours ranging from yellow to orange and orange-red

Cut D91: for Finishing

11 (L) Robur Die

Gripping with chuck

2.84ct Cushion Cut Sapphire 8.3x7mm Stone Setting Assistant Ø27 x 26mmSapphire 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 Hardness: 9 (out of 10). Sources: Mines that have yielded the