Deciding whether to keep or spread a person's ashes is a personal choice. Some people like keeping the ashes close, while others prefer spreading them in a special place.
If you want to keep your loved one's ashes in a unique way, turning them into memorial jewellery is a great option. It lets you keep a part of them with you. You can find more details at https://www.asheswithart.co.uk.
In the end, it's about what feels right for you and respects the wishes of the person who passed away.