I have picked out some beautiful jewellery pieces, some from the modern birthstones, and some from the traditional ones - there are several stones for each month, apparently, so hopefully you should find something to suit your pocket, even if you are not on a "crown jewels" budget!
As usual, click on the label below each item picture for more details from Folksy.com
January : Garnet or Rose Quartz
by Vanda Handmade Jewellery
February : Amethyst or Onyx
by Damselfly Jewels
March : Aquamarine or Bloodstone
by CeeGee Jewellery Design
April : Quartz or Diamond
by You Nique You
May : Emeral or Chrysoprase
by LouLy
June : Pearl or Moonstone
by ZM Designs
July : Ruby or Carnelian
by Mila Jewellery
August : Peridot or Sardonyx
by Kara Gems
September : Lapis Lazuli or Sapphire
by Halcyon Jewellery
October : Opal or Tourmaline
by The Owl and the Pussycat
November : Topaz or Citrine
by S B Jewellery
December : Tanzanite or Turquoise
by Corinna2Designs
Aren't they all gorgeous - have you made your birthday wishlist yet???