Slight traces of cobalt in the gemstone give it its bright blue hue.ģ.) As per Vedic astrology, it is very effective in business, career, health and marriage. It is said that Neelam is the fastest acting stone and has the power to flourish or destroy the wearer’s destiny.Ģ.) Blue sapphire is extremely valuable and belongs to the Corundum family.

Therefore please consider the following chart as just a rough point of reference.1.) Blue sapphire or Neelam stone is connected to an astrologically strong planet named Saturn (Shani). However, sapphire gemstone sizes may vary depending on the depth of the sapphire. He takes into account the size of the rough sapphire and its inclusions when deciding the shape and size of the final masterpiece.Ī standard size chart is a handy tool for a first time buyer. A skilled lapidarist cuts a rough sapphire in order to enhance its color. Unlike diamonds, sapphires are all about color.

Some sapphires are custom cut for a specific setting and does not fit these standardizations, and these may be far more valuable than the calibrated sapphires. Some sapphires are calibrated and standardized for ease of use. Therefore a 1 carat sapphire may look smaller than a 1 carat diamond. Sapphires tend to be heavier than diamonds.

This is because the density of sapphires are different from the density of diamonds or other gemstones. Visually, sapphires and diamonds of the same carat weight may vary in sizes.

Black sapphire price per carat