Certain gemstones are associated with particular months of the year and considered lucky to the people born in those months. When buying jewellery with semi-precious stones some prefer to buy a piece with their birthstone. There are a few variations in the chart for birthstones as they are often categorised by traditional, modern or by zodiac sign. Below is a guide to consider especially when buying a gift for someone.

Traditional and Modern Birthstones

January 
Traditional Birthstone - Garnet
Modern Birthstone - Garnet 

February 
Traditional Birthstone - Amethyst
Modern Birthstone - Amethyst

March 

Traditional Birthstone - Aquamarine (Similar stone is Blue Topaz) and Bloodstone
Modern Birthstone - Jasper

April 
Traditional Birthstone - Diamond (you could substitute with CZ crystal) and Sapphire
Modern Birthstone - Diamond (CZ Jewelry)

May 
Traditional Birthstone - Emerald and Agate
Modern Birthstone - Emerald  (Similar color semi-precious gemstone is Peridot)

June 
Traditional Birthstone - Alexandrite and Emerald (Similar color semi-precious gemstone is Peridot)
Modern Birthstone - Pearl and Moonstone Alexandrite

July 
Traditional Birthstone - Ruby - Another red semi-precious gemstone is Garnet
Modern Birthstone - Ruby -- (Similar Garnet) - Onyx

August 
Traditional Birthstone - Carnelian and Sandonyx
Modern Birthstone -  Peridot, Jade

September 
Traditional Birthstone  - Sapphire - A similar color semi-precious gem is Iolite and Peridot
Modern Birthstone - Sapphire 

October 
Traditional Birthstone - Tourmaline and Aquamarine (Similar is Blue Topaz)
Modern Birthstone - Opal and Tourmaline

November 
Traditional Birthstone -  Citrine and Smoky Topaz
Modern Birthstone - Citrine and Topaz

December 
Traditional Birthstone - Blue Topaz or Turquoise or Lapis Lazuli
Modern Birthstone - Zircon (a gemstone, not synthetic cubic zirconia) - Lapis Lazuli 

Zodiac Signs Birthstones

Capricorn (Dec. 22- Jan. 19) - Ruby
 

Aquarius (Jan. 20- Feb.18) - Garnet

Pisces ( Feb. 19- March 20) - Amethyst
 

Aries (March 21- April 19) - Bloodstone
 

Taurus (April 20- May 20) - Sapphire

Gemini (May 21-June 21) - Agate 

Cancer (June 22-July 22) - Emerald 

Leo (July 23- August 22) - Onyx

Virgo (August 23- Sept. 23) - Carnelian 

Libra (Sept. 23- Oct. 23) - Chrysolite (Peridot)

Scorpio (Oct. 24- Nov. 21) - Beryl

Sagittarius (Nov. 22- Dec. 21) - Topaz