The beautiful world exists because of their existence!
Trust me , this is so true. This line suits the ones who are in love. If you know how much you love them then know that you could do so much to make them happy. Although they don't need your gifts to get pleased but your love, care and support.
But if you look forward to giving them something amazing then if you're looking to give something to your boyfriend then you could get him an amazing shirt. Generally dark blue and black shirt suits every guy. You could get them this and they're on their knees saying how much they love you. Also, if your guy is a perfume lover, then you can get him a good perfume with appealing fragrance and trust me a perfume is always a good idea to gift them.
If you're looking something to gift to your girlfriend then take her on a good date and trust me a good date and good food from your side is something she would definitely love. You could get her a good pendant or a good ring with jewellers like mehrasons jewellers, Kapoor jewellers , pc jewellers and Tanishq. Also, you could get a ring or a nice pair of earrings. You could also get her the chocolates she loves and trust me nothing could satisfy girls more than chocolates.
Lastly, be it your girlfriend or boyfriend just know that first of all they need the love and support and not gifts and materialistic things. They would love you for your genuine nature.