Aquamarine can be worn in Ring or Pendant. It should be worn in White Metal. It is preferable to wear it in middle finger or Ring Finger if worn as Ring.
Which finger should you wear April birthstone?
Taurus (20 April- 21 May; Birthstone : Golden Topaz) Venus is the planetary ruler of Taurus. Those under Taurus like good things in life, including food and their outbursts are short lived. By wearing Golden Topaz, the Taurus sign can control their anger and remove obstacles in life. They should wear the birthstone ring in their index finger.