A lovebird needs enough space to fly, so the size of the cage is important. Other things to look at are doors and bar spacing.
Love Birds Cage at Rs 9999/piece, Ponniammanmedu, Chennai
This roomy and spacious bird home can easily accommodate 2-3 small to medium birds. It is perfect for birds like canaries, cockatiels, monk parakeets
SMILE MART Large 36 Metal Bird Cage with Play Top for Parakeets and Lovebirds, Black
Large Bird Cage - Foter
How to House Lovebirds: 13 Steps (with Pictures) - wikiHow Pet
Avian Enrichment - Choosing a Cage
Peach-faced Lovebirds Fact Sheet - Northern Parrots
Lovebird Personality, Food & Care – Pet Birds by Lafeber Co.
Why Lovebirds Make Good Pets and How to Care for Them - PetHelpful
Daily, Weekly and Monthly Bird Care Plan