Gemstones
Birthstones by Month
January garnet to December tanzanite — the modern birthstone list and what each gem means.
The modern list
January Garnet · February Amethyst · March Aquamarine · April Diamond · May Emerald · June Pearl, Alexandrite or Moonstone · July Ruby · August Peridot or Spinel · September Sapphire · October Opal or Tourmaline · November Topaz or Citrine · December Tanzanite, Turquoise or Zircon.
Custom birthstone jewellery
Our custom gemstone studio sources and sets birthstones for family rings, pendants and bracelets.
Verification tools & references
Every Riakoob piece arrives certified, insured and covered by our 12-month value promise.
Browse the collection