5/4/2023 0 Comments Natural yellow sapphire![]() Another category of sapphires which is unique is the Padparadscha Sapphires. In case of yellow sapphires, the ideal shade is one that has a vivid saturation whilst displaying a tinge of gold. While a cornflower blue sapphire has a bright and vivid shade with a moderate darkness/tone, the royal blue shade has the same intensity with a slightly darker tone. These shades represent the finest hues of blue sapphires. Colors of sapphires which are sought after are cornflower blue and royal blue. Sapphire is a very popular stone for engagement rings as it comes in an array of hues and shades, whilst being extremely durable and long-lasting. ![]() The refractive index of sapphires ranges from 1.760 - 1.772. Due to the very high hardness, sapphires are generally resistant to scratches and very suitable for daily wear. It has a Mohs Hardness of 9 on a scale of 10 which is the same as rubies. It can be found in numerous colors such as blue, yellow, green, pink, purple, white, orange and other fancy shades. Sapphires are the gem variety of the mineral Corundum which has every hue except red.
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