Customize the marquise cut stone in your necklace design! January: Mozambique Garnet (Dark red, AA quality) February: Amethyst (Dark purple, AAA quality) March: Aquamarine (Ice blue, AA quality) April: Diamond (Lab-grown, SI clarity, G+ color) May: Emerald (Lab-grown) June: Alexandrite (Lab-grown) July: Ruby (Lab-grown) August: Peridot (AA quality) September: Sapphire (Lab-grown, Dark blue) October: Tourmaline (Green, AA quality) November: Citrine (Orange, AA quality) December: London Blue Topaz