In the mid-1990s, rubies and sapphires was discovered in Madagascar. Since Madagascar was separated from the Indian mainland in prehistoric times, it has little to do with Africa in geological terms. Sapphires from Madagascar are often difficult to distinguish from sapphires from Sri Lanka. Most of the blue sapphires on the market today come from Madagascar.
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Carat: 2 ct. - 11 ct.
1 ct. 11 ct.
The photos presented here by The Natural Gem show each gemstone as it is. The photos are not post-processed, color changed and the gemstones are not optically optimized in their purity.
properties of sapphire
Belongs mineralogically to corundum
Hardness grade 9
Chemical formula: Al2O3
Includes all colors except red, red corundum is called “ruby
Coloration generally by metal oxides (e.g. blue: titanium oxide)