1 fluid ounce citron vodka
1 fluid ounce orange-flavored liqueur (such as Cointreau®)
1 fluid ounce raspberry-flavored liqueur (such as Chambord®)
1 fluid ounce acai-pomegranate juice
1 tablespoon freshly squeezed lime juice
4 ice cubes
3 seedless red grapes, halved
Pour vodka, orange-flavored liqueur, raspberry-flavored liqueur, acai-pomegranate juice, and lime juice over ice cubes in a cocktail shaker; cover and shake until well-chilled. Strain into a martini glass and garnish with 3 grapes.