Gemstone Classic Ring (Amethyst or Topaz)A 9x7 mm oval gemstone is surrounded by sparkling natural white diamonds on a halo style gold ring. The head is carried by a basket prong setting over a slender band. Slender bands offer contrasting widths from the shank to the top to best showcase the center stones in an attention grabbing design. The ring is made with highly polished 14 karat gold. Amethyst is a birthstone for the month of February. Your favorite purple gemstone stands for wisdom.