Gemma Gray, Geometric : December Birthstone : Blue Gemstone : Bezel, Multistone : Band : Rings

Amethyst Aquamarine Diamond Lab Diamond London Blue Topaz Moissanite Morganite

Diamond Blue Sapphire Ruby Emerald White Sapphire Tanzanite Pink Sapphire Black Diamond Yellow Sapphire Alexandrite

Moissanite Lab Sapphire Lab Emerald Lab Ruby Lab Diamond Lab Alexandrite

Aquamarine Amethyst Blue Topaz Red Garnet Peridot Citrine Black Onyx Green Tourmaline Pink Tourmaline Rhodolite Garnet Iolite Rock Crystal Smoky Quartz Fire Opal Green Quartz London Blue Topaz Rose Quartz Light Amethyst Morganite

Jan - red garnet Jan - rhodolite garnet Feb - amethyst Feb - green quartz Feb - light amethyst Mar - aquamarine Apr - diamond Apr - lab diamond Apr - black diamond May - emerald May - lab emerald Jun - pearl Jun - alexandrite Jun - lab alexandrite Jul - ruby Jul - lab ruby Aug - peridot Sep - yellow sapphire Sep - blue sapphire Sep - lab sapphire Sep - white sapphire Sep - pink sapphire Oct - fire opal Oct - green tourmaline Oct - pink tourmaline Nov - citrine Dec - blue topaz Dec - tanzanite Dec - london blue topaz