In a saucepan, combine sugars, vinegar and nutmeg. Place the cinnamon, cloves and allspice in a cheesecloth bag; place in saucepan. Simmer until sugar is dissolved. Add gooseberries; simmer, uncovered, for 20-30 minutes or until mixture is very thick, stirring occasionally. Remove and discard spice bag. Serve the chutney with pork or ham. Store in the refrigerator.