Choose one! A sterling silver band with a 5mm gemstone cabochon of your choice. The cabochon is set in a silver bezel. Choose your own or a loved one's birthstone, choose a stone you just love or one with a mystical property you like. Mothers and Grandmothers like to stack their children and grandchildren's birthstones! January - Garnet February - Amethyst March - Aquamarine April - Cubic Zircon or Clear Quartz May - Emerald June - Mother of Pearl or Rainbow Moonstone July - Ruby August - Peridot September - Sapphire October - Opal (composite) November - Citrine December - Turquoise Tiger Eye Onyx Carnelian Malachite Labradorite Lapis Clear Quartz - Rose Cut - faceted *Also available (not picured): Red Jasper, Green Aventurine, Rose Quartz *Gemstones are genuine. The opal is a composite stone. The band is 1.6 mm. wide and stacks with other birthstone rings or with a set of custom stacker rings: http://www.etsy.com/listing/13095903 as pictured in the 2nd photo with a ruby ring. Please see shop listings for two http://www.etsy.com/listing/90381236, three http://www.etsy.com/listing/90385343 or four rings. https://www.etsy.com/listing/90446964/ Size: A ring will be custom made for you in your ring size. Select your ring size preference. If you are unsure of your ring size, I have sizers available for purchase. Gemstone Choice: Select the gemstone of your choice when purchasing. If you have a special stone that is not listed above, please contact me and I can see if I can get one in stock. Customization: The ring band can be patterned like the stacking rings referenced above. I also have tiny letter/number stamps available, so names, dates, or short phrases can be added to the ring band for a small additional fee. Please contact me. All Jewelry will arrive gift wrapped. The ring can be further customized with stamped designs on the band and patina. Please contact me for more information.