Blue Star Sapphire Price Guide

9 hardest after diamond formation.

Blue star sapphire price guide.

Natural blue star sapphire burma color. Good star si vvs type ii 100 to 1 500 per carat. Sapphire ceylon untreated blue si vvs type ii 3 000 to 5 500 per carat. Sapphire prices can range greatly depending on many factors.

Add 10 to 20 for emeralds and marquis. Blue star sapphires are often diffusion treated with titanium to improve the asterism star effect. Blue star sapphire ceylon good star. Black star sapphire prices have also increased in the past few.

Sapphires can come as cheap as 25 per carat to over 11 000 per carat. In india the blue star sapphire price per carat starts from rs 8 000 per carat 120 approx and can reach up to rs 50 000 per carat 770 approx for premium quality specimens. This type of sapphire is not as dark as the royal blue kind. Add 8 to 10 for rounds and pears.

Typically mid quality untreated blue sapphire will sell for 20 30 more than a treated stone of the same quality. Generally a natural blue star sapphire prices remain the highest due to its high rarity and demand. Many treated star sapphires in the 1 2 carat range often sell for as little as 10 20 usd per carat. For more information on sapphire quality factors consult our sapphire buying guide blue sapphire appraisal guide and sapphire engagement ring guide.

Therefore before buying a blue sapphire online or from a local gem store it is better to gain a before hand knowledge about how the blue sapphire prices vary. If certified burmese and untreated add 50 except fair or lower grades. We also have blue star sapphires. It has a nice blue colour.

A blue sapphire around 1 carat is likely to cost from as little as 450 to 1 600 depending on quality. A star sapphire is so named due to the appearance of a star shaped format which presents itself when the sapphire is. Price guide for top quality star sapphire gemstones star sapphire this is a price guide only. Prices for ovals and cushions.

Al2o3 corundum aluminium oxide cut. Add to 20 or deduct to 10 for other cutting. Larger stones can demand much higher prices and star sapphires that are untreated or heat only can fetch very. Generally speaking more saturation of color and deeper tone will push up the price of a sapphire.

For example here in australia the most popular sapphire color is the cornflower blue sapphire which is a vivd blue sapphire with medium tone. Just like other colored gems blue sapphire price per carat largely depends upon the four quality parameters also called 4c s color clarity cut and carat weight.